General
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Target
2024-05-24_6e9f6eeb64bbf4811875e387d539594c_virlock
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Size
190KB
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Sample
240524-q98vwsge97
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MD5
6e9f6eeb64bbf4811875e387d539594c
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SHA1
9572b46f4ae05e2aa622f4bfbf9cda6669f9406e
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SHA256
a30b0c083b8943dd3decaa1060781eca029e425cbb13515505508273bc86de09
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SHA512
63511bf2430eb766ed1e2444db97dec329477103e6cb3efab1685731203393da069fcbb86f164a834fcd06f25a5871cdaa4c79a614812b030f68b6c282bdc397
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SSDEEP
3072:lIhcy1CpPxuC+VpNpxXbrIhrniL4LGXlmJ22CWE+i9mZwipq9ML22cr8ml+65fT3:lVywpPQC+VpNpCrnsA7cr3dTgC
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-24_6e9f6eeb64bbf4811875e387d539594c_virlock.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-24_6e9f6eeb64bbf4811875e387d539594c_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-05-24_6e9f6eeb64bbf4811875e387d539594c_virlock
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Size
190KB
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MD5
6e9f6eeb64bbf4811875e387d539594c
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SHA1
9572b46f4ae05e2aa622f4bfbf9cda6669f9406e
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SHA256
a30b0c083b8943dd3decaa1060781eca029e425cbb13515505508273bc86de09
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SHA512
63511bf2430eb766ed1e2444db97dec329477103e6cb3efab1685731203393da069fcbb86f164a834fcd06f25a5871cdaa4c79a614812b030f68b6c282bdc397
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SSDEEP
3072:lIhcy1CpPxuC+VpNpxXbrIhrniL4LGXlmJ22CWE+i9mZwipq9ML22cr8ml+65fT3:lVywpPQC+VpNpCrnsA7cr3dTgC
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (58) 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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Drops file in System32 directory
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MITRE ATT&CK Matrix ATT&CK v13
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1