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Tactic Results: Defense Evasion Tactic Page Information

The ATT&CK tactic page displays all tested techniques belonging to that tactic, as well as all procedures and their respective detections. The procedures are grouped by their technique. The Procedure column contains a description of how the technique was tested. The Step column is where in the operational flow the procedure occurred. Click the Step Number to view it in the Operational Flow panel. Detections are classified by one or more Detection Types, summarized by the Detection Notes, and may be supported by Screenshots. The Operational Flow panel provides the context around when a procedure was executed by showing all steps of the evaluation, including the tactics, techniques and procedures of the executed steps.
Vendor Configuration      All Results JSON     Legend
Legend
Main Detection Categories: Detection Modifiers:

None

Telemetry

Indicator of Compromise

General Behavior

Specific Behavior

Enrichment

Tainted

Delayed

Configuration Change
Technique
Procedures Step
Detection Type Detection Notes
Screenshots
Scripting
(T1064)
Previously executed self-extracting archive (Resume Viewer.exe) launched an embedded batch file (pdfhelper.cmd)
1.A.1
Telemetry
  
Telemetry within a process tree showed the child cmd.exe process running the script pdfhelper.cmd.
Telemetry within the process tree showing the child cmd.exe process running the script pdfhelper.cmd
Legitimate user Bob clicked and executed malicious VBScript (autoupdate.vbs) on 10.0.1.5 (CodeRed)
11.A.1
Telemetry
  
Telemetry showed explorer.exe running autoupdate.vbs through wscript.exe and subsequent execution of PowerShell script and cmdlets.
Specific Behavior
  
A delayed Specific Behavior alert was generated for suspicious PowerShell command-line arguments.
Specific Behavior (Delayed)
  
 
A Specific Behavior alert was generated for PowerShell script with suspicious content detected through Antimalware Scan Interface extracted content.
Specific Behavior
  
A Specific Behavior alert was generated for PowerShell script with malicious cmdlets related to Empire.
Telemetry showing execution of autoupdate.vbs script
Telemetry showing execution of wscript.exe
Telemetry showing execution of PowerShell cmdlets from wscript.exe
Telemetry showing PowerShell script metadata and decoded command-line arguments
Specific Behavior alert for "Suspicious PowerShell command-line"
Specific Behavior alert for "PowerShell script with suspicious content" detected through Antimalware Scan Interface extracted content
Specific Behavior alert for PowerShell script with malicious cmdlets
Process tree of alert showing containing malicious PowerShell cmdlets related to Empire
Empire: Built-in WinEnum module executed to programmatically execute a series of enumeration techniques
12.E.1
Telemetry (Tainted)
  
 
Telemetry showed the execution sequence from PowerShell with several activities from the WinEnum cmdlet. The telemetry was tainted by the previous "Suspicious sequence of exploration activities" alert.
Specific Behavior
  
A Specific Behavior alert was generated for "A malicious PowerShell Cmdlet was invoked on the machine."
Telemetry showing powershell.exe execution sequence resulting from WinEnum
Process tree view of "Suspicious sequence of exploration activities" alert showing tainted powershell.exe process
Additional telemetry showing powershell.exe execution sequence resulting from WinEnum
Specific Behavior alert for "A malicious PowerShell Cmdlet was invoked on the machine"
Process tree under alert "A malicious PowerShell Cmdlet was invoked on the machine" showing Invoke-Empire and Invoke-WinEnum
Rundll32
(T1085)
Previously executed batch file (pdfhelper.cmd) launched a DLL payload (update.dat) using Rundll32
1.A.1
Telemetry
  
Telemetry showed the execution sequence for rundll32.exe running update.dat.
General Behavior (Delayed)
  
 
A delayed General Behavior alert was generated for a low-reputation DLL loaded by a signed executable due to rundll32.exe execution of update.dat.
Telemetry showing rundll32.exe process injection sequence
General Behavior alert on low-reputation DLL load by signed executable
Access Token Manipulation
(T1134)
Cobalt Strike: Built-in UAC bypass token duplication capability executed to modify current process token
3.A.1
Telemetry (Tainted)
  
 
Telemetry showed svchost.exe executed with the seclogon command-line argument and a subsequent elevated powershell.exe process, indicating token manipulation (tainted by parent alert on a suspicious PowerShell command-line generated for the svchost.exe invocation of powershell.exe with an encoded script).
Telemetry showing svchost.exe execution with seclogon command-line argument then subsequent powershell.exe
Alert for \'Suspicious PowerShell command-line\' showing tainted association via a process tree containing svchost.exe and elevated powershell.exe
Cobalt Strike: Built-in token theft capability executed to change user context to George
5.B.1
Telemetry (Tainted)
  
 
Telemetry showed svchost.exe as a high integrity process from SYSTEM and subsequent cmd.exe process running as user George (tainted by the parent alert on suspicious process injection into lsass.exe). Svchost.exe was executed with seclogon command-line argument indicating token manipulation.
Telemetry showing svchost.exe invocation with seclogon flag subsequently running cmd.exe as SYSTEM
Telemetry showing resulting cmd.exe running as user George
Alert for suspicious process injection showing tainted association via a process tree containing subsequent cmd.exe processes (inner failure message in screenshot not relevant to tested functionality)
Bypass User Account Control
(T1088)
Cobalt Strike: Built-in UAC bypass token duplication capability executed to elevate process integrity level
3.A.1
Telemetry (Tainted)
  
 
Telemetry showed rundll32.exe as a medium integrity process as user Debbie and subsequent execution of powershell.exe as a high integrity process as SYSTEM as part of the UAC bypass (tainted by alert on a suspicious PowerShell command-line generated for the svchost.exe invocation of powershell.exe with an encoded script).
Telemetry showing rundll32.exe running as medium integrity as user Debbie
Telemetry showing powershell.exe running as high integrity as SYSTEM
Alert for \'Suspicious PowerShell command-line\' showing tainted association via a process tree containing svchost.exe and elevated powershell.exe
Empire: Built-in UAC bypass token duplication module executed to launch new callback with elevated process integrity level
14.A.1
Telemetry (Tainted)
  
 
Telemetry showed execution of powershell.exe executing "Invoke-BypassUACTokenManipulation" Empire cmdlet under the context of user Bob with medium integrity level, execution of svchost.exe with seclogon flag to use impersonation service with new high integrity powershell.exe process as SYSTEM, and subsequent context adjustment of powershell.exe to user Bob (tainted by the parent alert for suspicious sequence of exploration activities).
Telemetry showing medium integrity powershell.exe process executing Invoke-BypassUACTokenManipulation as user Bob
Telemetry showing high integrity powershell.exe process as SYSTEM
Telemetry showing high integrity powershell.exe process as Bob
Parent alert for "Suspicious sequence of exploration activities" showing powershell.exe process tainting this event
Process Injection
(T1055)
Cobalt Strike: Built-in process injection capability executed to inject callback into cmd.exe
3.C.1
Enrichment (Tainted)
  
 
The capability enriched data showing powershell.exe injecting into cmd.exe (tainted by alert on a suspicious PowerShell command-line generated for the svchost.exe invocation of powershell.exe with an encoded script).
Specific Behavior (Delayed)
  
 
A Specific Behavior alert was generated for process injection. Process Injection attempt was audited by Exploit Guard. Vendor states that the Exploit Guard audit events demonstrate that execution would have been prevented if Export Address Table (EAF) was enabled in blocking mode.
Enrichment of powershell.exe injecting into cmd.exe
Alert for \'Suspicious PowerShell command-line\' showing tainted association via a process tree containing svchost.exe and elevated powershell.exe (subsequent powershell.exe is the injecting process)
Specific Behavior alert showing powershell.exe process injection
Telemetry showing process injection activity audited by Exploit Guard
Cobalt Strike: Credential dump capability involved process injection into lsass
5.A.1
Telemetry (Tainted)
  
 
Telemetry showed svchost.exe accessing lsass.exe and dumping credentials (tainted by parent alert on sensitive credential memory read for the first credential dump). Exploit Guard audited process open and credential extraction event. Vendor stated the Exploit Guard audit events demonstrate that execution would have been prevented if Attack Surface Reduction (ASR) was enabled in blocking mode.
Specific Behavior (Delayed)
  
 
A Specific Behavior alert was generated for process injection into lsass.exe.
Telemetry showing svchost.exe accessing and extracting credentials from lsass.exe
Alert on credential dump showing injecting svchost.exe process (process with syringe) that was used to access lsass.exe
Specific Behavior alert for process injection into lsass.exe (inner failure message in screenshot not relevant to tested functionality)
Cobalt Strike: Hash dump capability involved process injection into lsass.exe
5.A.2
Telemetry (Tainted)
  
 
Telemetry showed svchost.exe accessing lsass.exe and dumping credentials (tainted by parent alert on sensitive credential memory read for the first credential dump). Exploit Guard audited process open and credential extraction event. Vendor stated the Exploit Guard audit events demonstrate that execution would have been prevented if Attack Surface Reduction (ASR) was enabled in blocking mode.
Specific Behavior (Delayed)
  
 
A Specific Behavior alert was generated for process injection into lsass.exe. The alert was rolled up under the prior lsass.exe process injection alert and the last activity seen field was updated.
Telemetry showing svchost.exe accessing and extracting credentials from lsass.exe
Alert on prior credential dump tainting svchost.exe process (process with syringe indicating process injection) that was used to access lsass.exe
Specific Behavior alert for process injection into lsass.exe (inner failure message in screenshot not relevant to tested functionality)
Cobalt Strike: Screen capture capability involved process injection into explorer.exe
8.D.1
Enrichment
  
The capability enriched the execution sequence for cmd.exe injecting into explorer.exe with the label "Inject to process."
Enrichment of execution sequence showing cmd.exe injecting into explorer.exe (labeled "Inject to process")
Valid Accounts
(T1078)
RDP connection to Conficker (10.0.0.5) authenticated using previously added user Jesse
10.B.1
Telemetry
  
Telemetry showed the new local user account Jesse logging into Conficker.
Telemetry showing local user account Jesse first and last seen logons on Conficker
Empire: 'net use' via PowerShell to successfully authenticate to Conficker (10.0.0.5) using credentials of user Kmitnick
16.B.1
Telemetry (Tainted)
  
 
Telemetry showed a logon attempt via net.exe with command-line arguments to connect using the valid credentials of user Kmitnick (tainted by parent alert on PowerShell script with suspicious content). Telemetry showed Kmitnick login event on 10.0.0.5 (Conficker) and that 10.0.1.5 (CodeRed) accessed resources on 10.0.0.5 (Conficker).
Telemetry showing net.exe logon attempt to ADMIN$ on 10.0.0.5 (Conficker) with user Kmitnick (tainted by parent alert on PowerShell script with suspicious content)
Process tree view of alert on a PowerShell script with suspicious content showing tainted parent powershell.exe process (alert was generated on many PowerShell script executions throughout the day, specific instance of this procedure not shown in this alert)
Telemetry showing user Kmitnick login activity on 10.0.0.5 (Conficker)
Telemetry showing 10.0.1.5 (CodeRed) system accessed resources on 10.0.0.5 (Conficker)
Empire: 'net use' via PowerShell to successfully authenticate to Creeper (10.0.0.4) using credentials of user Kmitnick
16.D.1
Telemetry (Tainted)
  
 
Telemetry showed a logon attempt via net.exe with command-line arguments targeting C$ on 10.0.0.4 (Creeper) using valid credentials for user Kmitnick (tainted by parent alert on PowerShell script with suspicious content). Telemetry also showed that the logon event for Kmitnick on Creeper was successful.
Telemetry showing net.exe logon attempt to C$ on 10.0.0.4 (Creeper) with valid credentials for the account Kmitnick (tainted by parent alert on PowerShell script with suspicious content)
Process tree view of alert on a PowerShell script with suspicious content showing tainted parent powershell.exe process (alert was generated on many PowerShell script executions throughout the day, specific instance of this procedure not shown in this alert)
Telemetry from query showing successful Kmitnick logon event for Creeper
Network Share Connection Removal
(T1126)
Empire: 'net use /delete' via PowerShell
16.C.1
Telemetry (Tainted)
  
 
Telemetry showed net.exe with command-line arguments (tainted by parent alert on PowerShell script with suspicious content).
Telemetry showing net.exe with command-line arguments (tainted by parent alert on PowerShell script with suspicious content)
Process tree view of alert on a PowerShell script with suspicious content showing tainted parent powershell.exe process (alert was generated on many PowerShell script executions throughout the day, specific instance of this procedure not shown in this alert)
Masquerading
(T1036)
Empire: 'sc description' via PowerShell to remotely disguise a service on Creeper (10.0.0.4)
16.I.1
Telemetry (Tainted)
  
 
Telemetry from CodeRed showed sc.exe service creation command for the AdobeUpdater service with a binPath set to run update.vbs with cmd.exe on startup on Creeper (tainted by parent alert on PowerShell script with suspicious content). Telemetry also showed the sc.exe command to set the service description, but a screenshot was not available. An analyst can use this information to determine AdobeUpdater is masquerading.
Telemetry showing execution sequence of sc.exe AdobeUpdater remote service creation
Parent alert for PowerShell script with suspicious content tainting powershell.exe on CodeRed (alert was generated on many PowerShell script executions throughout the day, specific instance of this procedure not shown in this alert)
Empire: File dropped to disk is a renamed copy of the WinRAR binary
19.A.1
Telemetry
  
Telemetry showed file creation of recycler.exe on CodeRed. Binary reputation and metadata for recycler.exe shows hash and publisher signature as win.rar GmbH indicating the file is actually the WinRAR utility.
Telemetry showing file creation of recycler.exe by powershell.exe showing hash and signer information as win.rar GmbH
Binary reputation and metadata for recycler.exe showing WinRAR information
Empire: Executed binary (recycler.exe) is a renamed copy of the WinRAR binary
19.B.1
Telemetry (Tainted)
  
 
Telemetry showed execution sequence for recycler.exe with RAR command-line arguments, including the -hp flag, for data encryption and compression indicating it was actually WinRAR masquerading as a different file (tainted by alert on PowerShell script with a suspicious command-line was generated by numerous scripts).
Telemetry showing execution of recycler.exe with command-line arguments for file encryption and compression indicating it is WinRAR
Alert description for PowerShell script with a suspicious command-line that tainted this event (alert specific to this instance not shown)
File Permissions Modification
(T1222)
Empire: 'takeown' via PowerShell to obtain ownership of magnify.exe
17.B.1
Telemetry (Tainted)
  
 
Telemetry showed takeown.exe execution to change the file permissions on magnify.exe (tainted by prior alert on suspicious PowerShell command-line).
Telemetry showing takeown.exe execution with magnify.exe in command-line arguments
Process tree view of suspicious PowerShell command-line alert showing tainted relationship to takeown.exe
Empire: 'icacls' via PowerShell to modify the DACL for magnify.exe
17.B.2
Telemetry (Tainted)
  
 
Telemetry showed icacls.exe execution to change permissions on magnify.exe granting discretionary access to SYSTEM (tainted by prior alert on suspicious PowerShell command-line).
Telemetry showing icacls.exe execution with magnify.exe in command-line arguments
Process tree view of suspicious PowerShell command-line alert showing tainted relationship to reg.exe query
File Deletion
(T1107)
Empire: 'del C:\"$"Recycle.bin\old.rar'
19.D.1
None
  
No detection capability demonstrated for this procedure, though data showed execution sequence for the PowerShell "Remove-Item" cmdlet (no arguments were available to indicate what was deleted).
Telemetry showing PowerShell executing the Remove-Item cmdlet (does not count as a detection)
Empire: 'del recycler.exe'
19.D.2
None
  
No detection capability demonstrated for this procedure.


Operational Flow

The Operational Flow panel provides the context around when a procedure was executed by showing all steps of the evaluation, including the tactics, techniques and procedures of the executed steps.

Step 1: Initial Compromise

1.A.1 Execution

User Execution, Rundll32, Scripting

i. Legitimate user Debbie clicked and executed malicious self-extracting archive (Resume Viewer.exe) on 10.0.1.6 (Nimda)

1.B.1 Persistence

Registry Run Keys / Startup Folder

i. Previously executed batch file (pdfhelper.cmd) moved a separate batch file (autoupdate.bat) to the Startup folder

1.C.1 Command and Control

Commonly Used Port, Data Encoding, Standard Application Layer Protocol

i. Cobalt Strike: C2 channel established

Step 2: Initial Discover

2.A.1 Discovery

System Network Configuration Discovery

i. Cobalt Strike: 'ipconfig /all' via cmd

2.A.2 Discovery

System Network Configuration Discovery

i. Cobalt Strike: 'arp -a' via cmd

2.B.1 Discovery

System Owner / User Discovery

i. Cobalt Strike: 'echo' via cmd to enumerate specific environment variables

2.C.1 Discovery

Process Discovery

i. Cobalt Strike: 'ps' (Process status) via Win32 APIs

2.C.2 Discovery

Process Discovery

i. Cobalt Strike: 'tasklist /v' via cmd

2.D.1 Discovery

System Service Discovery

i. Cobalt Strike: 'sc query' via cmd

2.D.2 Discovery

System Service Discovery

i. Cobalt Strike: 'net start' via cmd

2.E.1 Discovery

System Information Discovery

i. Cobalt Strike: 'systeminfo' via cmd

2.E.2 Discovery

System Information Discovery

i. Cobalt Strike: 'net config workstation' via cmd

2.F.1 Discovery

Permission Groups Discovery

i. Cobalt Strike: 'net localgroup administrators' via cmd

2.F.2 Discovery

Permission Groups Discovery

i. Cobalt Strike: 'net localgroup administrators /domain' via cmd

2.F.3 Discovery

Permission Groups Discovery

i. Cobalt Strike: 'net group "Domain Admins" /domain' via cmd

2.G.1 Discovery

Account Discovery

i. Cobalt Strike: 'net user /domain' via cmd

2.G.2 Discovery

Account Discovery

i. Cobalt Strike: 'net user george /domain' via cmd

2.H.1 Discovery

Query Registry

i. Cobalt Strike: 'reg query' via cmd to enumerate a specific Registry key

Step 3: Privilege Escalation

3.A.1 Defense Evasion, Privilege Escalation

Access Token Manipulation, Bypass User Account Control

i. Cobalt Strike: Built-in UAC bypass token duplication capability executed to elevate process integrity level

3.B.1 Discovery

Process Discovery

i. Cobalt Strike: 'ps' (Process status) via Win32 APIs

3.C.1 Defense Evasion, Privilege Escalation

Process Injection

i. Cobalt Strike: Built-in process injection capability executed to inject callback into cmd.exe

Step 4: Discovery for Lateral Movement

4.A.1 Discovery

Remote System Discovery

i. Cobalt Strike: 'net group "Domain Controllers" /domain' via cmd

4.A.2 Discovery

Remote System Discovery

i. Cobalt Strike: 'net group "Domain Computers" /domain' via cmd

4.B.1 Discovery

System Network Configuration Discovery

i. Cobalt Strike: 'netsh advfirewall show allprofiles' via cmd

4.C.1 Discovery

System Network Connections Discovery

i. Cobalt Strike: 'netstat -ano' via cmd

Step 5: Credential Access

5.A.1 Credential Access

Credential Dumping, Process Injection

i. Cobalt Strike: Built-in Mimikatz credential dump capability executed

5.A.2 Credential Access

Credential Dumping, Process Injection

i. Cobalt Strike: Built-in hash dump capability executed

5.B.1 Defense Evasion, Privilege Escalation

Access Token Manipulation

i. Cobalt Strike: Built-in token theft capability executed to change user context to George

Step 6: Lateral Movement

6.A.1 Discovery

Query Registry

i. Cobalt Strike: 'reg query' via cmd to remotely enumerate a specific Registry key on Conficker (10.0.0.5)

6.B.1 Command and Control

Commonly Used Port, Multiband Communication, Standard Application Layer Protocol

i. Cobalt Strike: C2 channel modified

6.C.1 Lateral Movement

Remote Desktop Protocol

i. Cobalt Strike: C2 channel modified to proxy RDP connection to Conficker (10.0.0.5)

Step 7: Persistence

7.A.1 Persistence

Create Account, Graphical user Interface, Account Discovery

i. Added user Jesse to Conficker (10.0.0.5) through RDP connection

7.B.1 Command and Control, Lateral Movement

Remote File Copy

i. Cobalt Strike: Built-in upload capability executed to write a DLL payload (updater.dll) to disk on Nimda (10.0.1.6)

7.C.1 Execution, Persistence, Privilege Escalation

Scheduled Task

i. Cobalt Strike: 'schtasks' via cmd to create scheduled task that executes a DLL payload (updater.dll)

Step 8: Collection

8.A.1 Discovery

File and Directory Discovery

i. Cobalt Strike: 'dir /s /b "\\conficker\wormshare"' via cmd

8.A.2 Discovery

File and Directory Discovery

i. Cobalt Strike: 'tree "C:\Users\debbie"' via cmd

8.B.1 Discovery

Process Discovery

i. Cobalt Strike: 'ps' (Process status) via Win32 APIs

8.C.1 Collection, Credential Access

Input Capture, Application Window Discovery

i. Cobalt Strike: Built-in keylogging capability executed to capture keystrokes of user Debbie

8.D.1 Collection

Screen Capture, Process Injection

i. Cobalt Strike: Built-in screen capture capability executed to capture screenshot of current window of user Debbie

Step 9: Exfiltration

9.A.1 Discovery

File and Directory Discovery

i. Cobalt Strike: 'ls' (List) via Win32 APIs to enumerate a network shared drive (Wormshare) on Conficker (10.0.0.5)

9.B.1 Collection

Data from Data from Network Shared Drive, Exfiltration Over Command and Control Channel

i. Cobalt Strike: Built-in download capability executed to a collect file (Shockwave_rackb_diagram.vsdx) from a network shared drive (Wormshare) on Conficker (10.0.0.5)

Step 10: Execution of Persistence

10.A.1 Persistence

Registry Run Keys / Startup Folder

i. Batch file (autoupdate.bat) previously written to Startup folder executed when user Debbie logs on to Nimda (10.0.1.6), launching a DLL payload (update.dat) using Rundll32

10.A.2 Execution, Persistence, Privilege Escalation

Scheduled Task

i. Scheduled task executed when user Debbie logs on to Nimda (10.0.1.6), launching a DLL payload (updater.dll) using Rundll32

10.B.1 Lateral Movement

Remote Desktop Protocol, Valid Accounts

i. RDP connection to Conficker (10.0.0.5) authenticated using previously added user Jesse

Step 11: Initial Access

11.A.1 Defense Evasion, Execution

Scripting

i. Legitimate user Bob clicked and executed malicious VBScript (autoupdate.vbs) on 10.0.1.5 (CodeRed)

11.B.1 Command and Control

Commonly Used Port, Standard Application Layer Protocol, Standard Cryptographic Protocol

i. Empire: C2 channel established

Step 12: Initial Discover

12.A.1 Discovery

System Network Configuration Discovery

i. Empire: 'route print' via PowerShell

12.A.2 Discovery

System Network Configuration Discovery

i. Empire: 'ipconfig /all' via PowerShell

12.B.1 Discovery

System Owner/User Discovery

i. Empire: 'whoami /all /fo list' via PowerShell

12.C.1 Discovery

Process Discovery

i. Empire: 'qprocess *' via PowerShell

12.D.1 Discovery

System Service Discovery

i. Empire: 'net start' via PowerShell

12.E.1 Defense Evasion, Execution

Scripting

i. Empire: Built-in WinEnum module executed to programmatically execute a series of enumeration techniques

12.E.1.1 Discovery

System Owner / User Discovery

i. Empire: WinEnum module included enumeration of user information

12.E.1.2 Discovery

Permission Groups Discovery

i. Empire: WinEnum module included enumeration of AD group memberships

12.E.1.3 Discovery

Password Policy Discovery

i. Empire: WinEnum module included enumeration of password policy information

12.E.1.4.1 Discovery

File and Directory Discovery

i. Empire: WinEnum module included enumeration of recently opened files

12.E.1.4.2 Discovery

File and Directory Discovery

i. Empire: WinEnum module included enumeration of interesting files

12.E.1.5 Collection

Clipboard Data

i. Empire: WinEnum module included enumeration of clipboard contents

12.E.1.6.1 Discovery

System Information Discovery

i. Empire: WinEnum module included enumeration of system information

12.E.1.6.2 Discovery

System Information Discovery

i. Empire: WinEnum module included enumeration of Windows update information

12.E.1.7 Discovery

Query Registry

i. Empire: WinEnum module included enumeration of system information via a Registry query

12.E.1.8 Discovery

System Service Discovery

i. Empire: WinEnum module included enumeration of services

12.E.1.9.1 Discovery

Network Share Discovery

i. Empire: WinEnum module included enumeration of available shares

12.E.1.9.2 Discovery

Network Share Discovery

i. Empire: WinEnum module included enumeration of mapped network drives

12.E.1.10.1 Discovery

Security Software Discovery

i. Empire: WinEnum module included enumeration of AV solutions

12.E.1.10.2 Discovery

Security Software Discovery

i. Empire: WinEnum module included enumeration of firewall rules

12.E.1.11 Discovery

System Network Configuration Discovery

i. Empire: WinEnum module included enumeration of network adapters

12.E.1.12 Discovery

System Network Connections Discovery

i. Empire: WinEnum module included enumeration of established network connections

12.F.1 Discovery

Permissions Group Discovery

i. Empire: 'net group "Domain Admins" /domain' via PowerShell

12.F.2 Discovery

Permissions Group Discovery

i. Empire: 'net localgroup administrators' via PowerShell

12.G.1 Discovery

Account Discovery

i. Empire: 'net user' via PowerShell

12.G.2 Discovery

Account Discovery

i. Empire: 'net user /domain' via PowerShell

Step 13: Discovery for Lateral Movement

13.A.1 Discovery

Remote System Discovery

i. Empire: 'net group "Domain Computers" /domain' via PowerShell

13.B.1 Discovery

System Network Connections Discovery

i. Empire: 'net use' via PowerShell

13.B.2 Discovery

System Network Connections Discovery

i. Empire: 'netstat -ano' via PowerShell

13.C.1 Discovery

Querying the Registry

i. Empire: 'reg query' via PowerShell to enumerate a specific Registry key

Step 14: Privilege Escalation

14.A.1 Defense Evasion, Privilege Escalation

Bypass User Account Control, Commonly Used Port, Remote File Copy, Standard Application Layer Protocol

i. Empire: Built-in UAC bypass token duplication module executed to launch new callback with elevated process integrity level

Step 15: Credential Access

15.A.1 Discovery

Application Window Discovery, Input Capture

i. Empire: Built-in keylogging module executed to capture keystrokes of user Bob

15.B.1 Credential Access

Credentials in Files

i. Empire: 'get-content' via PowerShell to collect sensitive file (it_tasks.txt) from a network shared drive (Wormshare) on Conficker (10.0.0.5)

Step 16: Lateral Movement

16.A.1 Credential Access

Brute Force, Windows Admin Shares

i. Empire: 'net use' via PowerShell to brute force password spraying authentication attempts to Morris (10.0.1.4) and Nimda (10.0.1.6) targeting credentials of users Kmitnick, Bob, and Frieda

16.B.1 Lateral Movement

Windows Admin Shares, Valid Accounts , Brute Force

i. Empire: 'net use' via PowerShell to successfully authenticate to Conficker (10.0.0.5) using credentials of user Kmitnick

16.C.1 Defense Evasion

Network Share Connection Removal

i. Empire: 'net use /delete' via PowerShell

16.D.1 Lateral Movement

Windows Admin Shares, Valid Accounts

i. Empire: Successful authentication targeted Windows admin shares on Conficker (10.0.0.5)

16.E.1 Command and Control, Lateral Movement

Remote File Copy

i. Empire: Built-in upload module executed to write malicious VBScript (autoupdate.vbs) to disk on CodeRed (10.0.1.5)

16.F.1 Execution

Command-Line Interface

i. Empire: Built-in runas module executed to launch malicious VBScript (autoupdate.vbs) as user Kmitnick

16.G.1 Command and Control, Lateral Movement

Remote File Copy

i. Empire: Built-in move capability executed to write malicious VBScript (update.vbs) to disk on Creeper (10.0.0.4)

16.H.1 Discovery

System Service Discovery

i. Empire: 'sc query' via PowerShell to remotely enumerate services on Creeper (10.0.0.4)

16.I.1 Persistence, Privilege Escalation

New Service, Masquerading

i. Empire: 'sc create' via PowerShell to remotely create a service on Creeper (10.0.0.4)

16.J.1 Discovery

System Service Discovery

i. Empire: 'sc qc' via PowerShell to remotely enumerate a specific service on Creeper (10.0.0.4)

16.K.1 Discovery

File and Directory Discovery

i. Empire: 'type' via PowerShell to remotely enumerate a specific file (update.vbs) on Creeper (10.0.0.4)

16.L.1 Execution

Service Execution

i. Empire: 'sc start' via PowerShell to remotely launch a specific service on Creeper (10.0.0.4)

Step 17: Persistence

17.A.1 Discovery

System Service Discovery, Query Registry

i. Empire: 'reg query' via PowerShell to enumerate a specific Registry key associated with terminal services

17.B.1 Defense Evasion

File Permissions Modification

i. Empire: 'takeown' via PowerShell to obtain ownership of magnify.exe

17.B.2 Defense Evasion

File Permissions Modification

i. Empire: 'icacls' via PowerShell to modify the DACL for magnify.exe

17.C.1 Persistence, Privilege Escalation

Accessibility Features

i. Empire: 'copy' via PowerShell to overwrite magnify.exe with cmd.exe

Step 18: Collection

18.A.1 Discovery

File and Directory Discovery

i. Empire: 'Get-ChildItem' via PowerShell to enumerate a network shared drive (Wormshare) on Conficker (10.0.0.5)

18.B.1 Collection

Data Staged, Data from Network Shared Drive

i. Empire: 'copy' via PowerShell staged a file (Shockwave_network.vsdx) from a network shared drive (Wormshare) on Conficker (10.0.0.5) in the Recycle Bin (C:\$Recycle.Bin) on CodeRed (10.0.1.5)

Step 19: Exfiltration

19.A.1 Defense Evasion

Masquerading, Remote File Copy

i. Empire: File dropped to disk is a renamed copy of the WinRAR binary

19.B.1 Exfiltration

Data Compressed, Data Encrypted, Masquerading

i. Empire: Executed binary (recycler.exe) created compressed archive (old.rar) of previously collected file

19.C.1 Exfiltration

Exfiltration over Alternative Protocol

i. Empire: Sequence of 'echo' commands via PowerShell to populate commands in text file (ftp.txt), which is then executed by FTP to exfil data through network connection separate of existing C2 channel

19.D.1 Defense Evasion

File Deletion

i. Empire: 'del C:\"$"Recycle.bin\old.rar'

19.D.2 Defense Evasion

File Deletion

i. Empire: 'del recycler.exe'

Step 20: Execution of Persistence

20.A.1 Persistence, Privilege Escalation

Accessibility Features, Remote Desktop Protocol

i. magnifer.exe previously overwritten by cmd.exe launched through RDP connection made to Creeper (10.0.0.4)

20.B.1 Discovery

System Owner / User Discovery

i. Executed 'whoami' via cmd persistence mechanism through RDP connection made to Creeper (10.0.0.4)