General
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Target
2024-04-27_3197753a1aacf2e5b250055170ee6110_virlock
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Size
183KB
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Sample
240427-dx9v7sag8z
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MD5
3197753a1aacf2e5b250055170ee6110
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SHA1
3fa2dace4886c65260f313325ae71538eb4afb7a
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SHA256
14c971af36c332b3b4c3d8b63c7176aba9ced08157614d217a284561e0c5801d
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SHA512
ca3b907ad5fd21de289dc83e6a81a4b2fac34344044d1923e1c22c909d7b282e6dd215d161f78224b9ba543eb0447b1640d4b9422cab0b508b59490b905906b4
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SSDEEP
3072:S7VZwKhHAyd/DavuNRSCUgVZbx3EQMLeEP4onxRZyTwKoJ9R/DNIJB:oThavuNRSC5bEPnxRZJKCR/ZIJB
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_3197753a1aacf2e5b250055170ee6110_virlock.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-27_3197753a1aacf2e5b250055170ee6110_virlock.exe
Resource
win10v2004-20240419-en
Malware Config
Targets
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Target
2024-04-27_3197753a1aacf2e5b250055170ee6110_virlock
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Size
183KB
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MD5
3197753a1aacf2e5b250055170ee6110
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SHA1
3fa2dace4886c65260f313325ae71538eb4afb7a
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SHA256
14c971af36c332b3b4c3d8b63c7176aba9ced08157614d217a284561e0c5801d
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SHA512
ca3b907ad5fd21de289dc83e6a81a4b2fac34344044d1923e1c22c909d7b282e6dd215d161f78224b9ba543eb0447b1640d4b9422cab0b508b59490b905906b4
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SSDEEP
3072:S7VZwKhHAyd/DavuNRSCUgVZbx3EQMLeEP4onxRZyTwKoJ9R/DNIJB:oThavuNRSC5bEPnxRZJKCR/ZIJB
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (81) 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