General
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Target
2024-05-25_2c2aabd374c4a8b5d266160f29645e58_virlock
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Size
634KB
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Sample
240525-qmjx9adh9v
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MD5
2c2aabd374c4a8b5d266160f29645e58
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SHA1
3e08e026ec02d3d8986bae60cf9b13490a076cfe
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SHA256
2480333ca4d969ca117e9aae182ac7ace3afcd2172719b6b295252adce357558
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SHA512
b80bf68f8836b0d41a8fcd4b82094097cf11061ee4b5b8f824e313d385750a4a8c814056a9e338a08fb9341fb49f6d1076ab542ef8a5608e8de87a57f87cee88
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SSDEEP
12288:i8T8hPMbdr4oWhEgpnRGImUI8w/Y8OcZkPyIEgjiD:iRPMbZSNnR478w/Yn4g+
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-25_2c2aabd374c4a8b5d266160f29645e58_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-25_2c2aabd374c4a8b5d266160f29645e58_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-05-25_2c2aabd374c4a8b5d266160f29645e58_virlock
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Size
634KB
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MD5
2c2aabd374c4a8b5d266160f29645e58
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SHA1
3e08e026ec02d3d8986bae60cf9b13490a076cfe
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SHA256
2480333ca4d969ca117e9aae182ac7ace3afcd2172719b6b295252adce357558
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SHA512
b80bf68f8836b0d41a8fcd4b82094097cf11061ee4b5b8f824e313d385750a4a8c814056a9e338a08fb9341fb49f6d1076ab542ef8a5608e8de87a57f87cee88
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SSDEEP
12288:i8T8hPMbdr4oWhEgpnRGImUI8w/Y8OcZkPyIEgjiD:iRPMbZSNnR478w/Yn4g+
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (73) 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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Adds Run key to start application
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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