General
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Target
2024-05-24_5b3e104a28b0fe470b49d27e6fd466de_virlock
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Size
268KB
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Sample
240524-q846bage58
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MD5
5b3e104a28b0fe470b49d27e6fd466de
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SHA1
21081cd1114148f53787375dbbf23b15bec2fbc8
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SHA256
e03f859ec2b9ae57590beb8d1acb4225b819e445ac638243e566f7a0466788cf
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SHA512
1765e99245312028831d496e890ca68c8906651a355d6304408ab1e39d812ded00e0ace00b665de7b81eaba89a570c12e88bb7e9bd3def234b209cbe4f10403e
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SSDEEP
3072:AolMtIr0rbOKsZM3XjcuvzrEtLWeCbMO72UVAFaZ15M9BZUHdZK1yBbEpCI3BaUx:Ao+uwDFBwWeCZ7H7ZY9cy1Ib/vQnF
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-24_5b3e104a28b0fe470b49d27e6fd466de_virlock.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-24_5b3e104a28b0fe470b49d27e6fd466de_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-05-24_5b3e104a28b0fe470b49d27e6fd466de_virlock
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Size
268KB
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MD5
5b3e104a28b0fe470b49d27e6fd466de
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SHA1
21081cd1114148f53787375dbbf23b15bec2fbc8
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SHA256
e03f859ec2b9ae57590beb8d1acb4225b819e445ac638243e566f7a0466788cf
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SHA512
1765e99245312028831d496e890ca68c8906651a355d6304408ab1e39d812ded00e0ace00b665de7b81eaba89a570c12e88bb7e9bd3def234b209cbe4f10403e
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SSDEEP
3072:AolMtIr0rbOKsZM3XjcuvzrEtLWeCbMO72UVAFaZ15M9BZUHdZK1yBbEpCI3BaUx:Ao+uwDFBwWeCZ7H7ZY9cy1Ib/vQnF
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (57) 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