General
- Target 2024-02-23_ead34dbd568dab561004d36d88990158_virlock
- Size 565KB
- Sample240223-m9t5ysff63
- SHA256 43664f03b4fb5ceb748682c4c8313e45096405b9f6f6ae113d952d104d651736
Score
10/10
Malware Config
Targets
-
- Target 2024-02-23_ead34dbd568dab561004d36d88990158_virlock
- Size 565KB
- SHA256 43664f03b4fb5ceb748682c4c8313e45096405b9f6f6ae113d952d104d651736
Score10/10-
Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (87) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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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