General
- Target 2024-06-12_8558b6061a1e6e2f11cdc94cb4af6284_virlock
- Size 121KB
- Sample240612-n37cdaxejm
- SHA256 d1cee50f03156dcd11a2c062aa55667e057bca0cee3515d5234cc83225132b60
- MD5 8558b6061a1e6e2f11cdc94cb4af6284
- SHA1 e9456a7b0334be88e5654ede4075db8ca56bff6d
- SHA512 6a9bc05f14dc21dc70b18bfda0b6f253d073833a63c2b03fb1ac11bf5785ac3a8773d0aafc8f44e966d2b4d826731aab0bcaf46a4feb3a17372fe3931617af53
- SSDEEP 3072:8JLSTOUz1OfITGsttfvtypbyxE7SWpjNmD:w11WGsXfV00tWS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2024-06-12_8558b6061a1e6e2f11cdc94cb4af6284_virlock.exe
Resource
win7-20240220-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-12_8558b6061a1e6e2f11cdc94cb4af6284_virlock.exe
Resource
win10v2004-20240611-en
14 signatures
150 seconds
Malware Config
Targets
-
- Target 2024-06-12_8558b6061a1e6e2f11cdc94cb4af6284_virlock
- Size 121KB
- SHA256 d1cee50f03156dcd11a2c062aa55667e057bca0cee3515d5234cc83225132b60
- MD5 8558b6061a1e6e2f11cdc94cb4af6284
- SHA1 e9456a7b0334be88e5654ede4075db8ca56bff6d
- SHA512 6a9bc05f14dc21dc70b18bfda0b6f253d073833a63c2b03fb1ac11bf5785ac3a8773d0aafc8f44e966d2b4d826731aab0bcaf46a4feb3a17372fe3931617af53
- SSDEEP 3072:8JLSTOUz1OfITGsttfvtypbyxE7SWpjNmD:w11WGsXfV00tWS
- MD5 SHA1 SHA512 SSDEEP
Score10/10-
Modifies visibility of file extensions in Explorer
-
Renames multiple (78) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1