General
- Target lock.exe
- Size 9.0MB
- Sample260529-slznesev61
- SHA256 b372e5ae90e6851aa0f904046ae8ea99ee2a397cbdff3be79db64568770bb8fb
- MD5 0b4d1ca2e7e685b0d40860153380e319
- SHA1 978dd598de15f08040ab08e11749572d46ed61f5
- SHA512 0115557222ee7ebacc37933666225b8fa3302a6b5e50a95a915fac538b13b46e6ce405dc0abf9bc26c8edcc61ba30465e95152aa4d86caad3b06ed838b7dd38d
- SSDEEP 196608:ah50W8/LapphUGsDfyGg8wBdnpkYRM0/1E3+dgSUy+g:a4W8OpYDfDg8c6qE3+d9Uy+
- TLSH T175963394739808E4E8ABA37D98C09327B2E2B8324796D6CB5FF44B501D236E4EF75351
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
lock.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
lock.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target lock.exe
- Size 9.0MB
- SHA256 b372e5ae90e6851aa0f904046ae8ea99ee2a397cbdff3be79db64568770bb8fb
- MD5 0b4d1ca2e7e685b0d40860153380e319
- SHA1 978dd598de15f08040ab08e11749572d46ed61f5
- SHA512 0115557222ee7ebacc37933666225b8fa3302a6b5e50a95a915fac538b13b46e6ce405dc0abf9bc26c8edcc61ba30465e95152aa4d86caad3b06ed838b7dd38d
- SSDEEP 196608:ah50W8/LapphUGsDfyGg8wBdnpkYRM0/1E3+dgSUy+g:a4W8OpYDfDg8c6qE3+d9Uy+
- TLSH T175963394739808E4E8ABA37D98C09327B2E2B8324796D6CB5FF44B501D236E4EF75351
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies WinLogon for persistence
-
Modifies Windows Defender Real-time Protection settings
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Disables Task Manager via registry modification
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Event Triggered Execution: Image File Execution Options Injection
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Disables service(s)
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Executes dropped EXE
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Loads dropped DLL
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Registers new Windows logon scripts automatically executed at logon.
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Stops running service(s)
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Windows security modification
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Adds Run key to start application
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Modifies WinLogon
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Create or Modify System Process
5Windows Service
5Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
4Active Setup
1Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Boot or Logon Initialization Scripts
1Logon Script (Windows)
1Create or Modify System Process
5Windows Service
5Event Triggered Execution
1Image File Execution Options Injection
1Scheduled Task/Job
1Scheduled Task
1