General
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Target
2024-05-24_dc4229425e844f005b38928831df7b58_virlock
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Size
193KB
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Sample
240524-rpcgmahc39
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MD5
dc4229425e844f005b38928831df7b58
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SHA1
8a5b8c851a37bea0e0f1e224ae7b630ea29e80b5
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SHA256
6d8e7697a09363ecf9150887fc5a2084ba84f9fa0600b9ce269323ce5462b61a
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SHA512
bdce3cc1ddeb3ef3ba9439c2b41369c59715593f8ef41f537098a49a5e8ea9f9175478390d6558d876b7ff8a84b22ec6dce89613c2bd5337fc14517bb3f592b2
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SSDEEP
6144:zA7Eud7wrDlqjRqHSjU48Lngok43fETVa4y:kd7sxYTqnXchy
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-24_dc4229425e844f005b38928831df7b58_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-24_dc4229425e844f005b38928831df7b58_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-05-24_dc4229425e844f005b38928831df7b58_virlock
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Size
193KB
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MD5
dc4229425e844f005b38928831df7b58
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SHA1
8a5b8c851a37bea0e0f1e224ae7b630ea29e80b5
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SHA256
6d8e7697a09363ecf9150887fc5a2084ba84f9fa0600b9ce269323ce5462b61a
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SHA512
bdce3cc1ddeb3ef3ba9439c2b41369c59715593f8ef41f537098a49a5e8ea9f9175478390d6558d876b7ff8a84b22ec6dce89613c2bd5337fc14517bb3f592b2
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SSDEEP
6144:zA7Eud7wrDlqjRqHSjU48Lngok43fETVa4y:kd7sxYTqnXchy
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (53) 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 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