General
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Target
2024-04-07_cfae17316e3302b54f4480956eb78505_virlock
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Size
138KB
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Sample
240407-zcjn6sdg81
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MD5
cfae17316e3302b54f4480956eb78505
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SHA1
595cb8de53a4e15e31e4b46a43d05c29c01f893f
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SHA256
e07cdb69053c78e7bbf2bdc2204c17c3c9589392dfea2e491a9111a0faa82fa2
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SHA512
685eb524ee4fb2f521e49ee9e174c254b6ee65ff4d716401d139335cca91d40fde955e76649767a384e5a970c653a63f62dd60b94005b7fc0ca3fd0f9b94e422
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SSDEEP
3072:qWUT9Qy3/UCg5OM8xbSiVF9NHJBkn5dq6aXVtPBX:XU3/UCg5OM4xFN6aDF
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-07_cfae17316e3302b54f4480956eb78505_virlock.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-07_cfae17316e3302b54f4480956eb78505_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-04-07_cfae17316e3302b54f4480956eb78505_virlock
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Size
138KB
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MD5
cfae17316e3302b54f4480956eb78505
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SHA1
595cb8de53a4e15e31e4b46a43d05c29c01f893f
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SHA256
e07cdb69053c78e7bbf2bdc2204c17c3c9589392dfea2e491a9111a0faa82fa2
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SHA512
685eb524ee4fb2f521e49ee9e174c254b6ee65ff4d716401d139335cca91d40fde955e76649767a384e5a970c653a63f62dd60b94005b7fc0ca3fd0f9b94e422
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SSDEEP
3072:qWUT9Qy3/UCg5OM8xbSiVF9NHJBkn5dq6aXVtPBX:XU3/UCg5OM4xFN6aDF
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (86) 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