General
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Target
2024-04-03_e0d4f805362cc919b44ae474f88181ae_virlock
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Size
117KB
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Sample
240403-xlk79ahf4v
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MD5
e0d4f805362cc919b44ae474f88181ae
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SHA1
7e2dc060f2d2f15f8080eb7f40db1cb585179899
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SHA256
be2a06101382c105d31982aad11e308d36f5e110099b0e78a2ec22ba486c98d9
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SHA512
483d7315ec99900db4fe7986a2b37f3769c341d68c514d404a0d63432b70e59fff3593d9839d5260d68a2535b097bd764a1e8bf807e843de2cccf5d2bc2f1834
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SSDEEP
3072:YNPjSo30AgPyCqaBTx/PUxaxCxQ1wwJPf/6O:gPZ3oqWPvxxWiPfCO
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-03_e0d4f805362cc919b44ae474f88181ae_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-03_e0d4f805362cc919b44ae474f88181ae_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-04-03_e0d4f805362cc919b44ae474f88181ae_virlock
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Size
117KB
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MD5
e0d4f805362cc919b44ae474f88181ae
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SHA1
7e2dc060f2d2f15f8080eb7f40db1cb585179899
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SHA256
be2a06101382c105d31982aad11e308d36f5e110099b0e78a2ec22ba486c98d9
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SHA512
483d7315ec99900db4fe7986a2b37f3769c341d68c514d404a0d63432b70e59fff3593d9839d5260d68a2535b097bd764a1e8bf807e843de2cccf5d2bc2f1834
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SSDEEP
3072:YNPjSo30AgPyCqaBTx/PUxaxCxQ1wwJPf/6O:gPZ3oqWPvxxWiPfCO
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (82) 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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Deletes itself
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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 Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1