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General
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Target
2024-05-10_7c0591bb11e45afbd3ddd4521ca46791_virlock
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Size
196KB
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Sample
240510-w3vmkseb63
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MD5
7c0591bb11e45afbd3ddd4521ca46791
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SHA1
59b5453b71086aeaf1012f45d335374a2f13133c
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SHA256
ae4cfb406afe9f575189804fde9c3abef45fa5020398938529fe17c9ec66daf3
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SHA512
c9418951b095241926f048768de341035e8ed84c1a4cb644f450201baa7861cfb68f0d759e14e353f5deb37104b12aa64ded777da37b1aadf690a1f44a4b243b
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SSDEEP
6144:sRBqTFl1qQ1K0+V6SW5pY8i3ktNoz0ul:8qjwQ1K0XektN+0u
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-10_7c0591bb11e45afbd3ddd4521ca46791_virlock.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-10_7c0591bb11e45afbd3ddd4521ca46791_virlock.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
2024-05-10_7c0591bb11e45afbd3ddd4521ca46791_virlock
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Size
196KB
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MD5
7c0591bb11e45afbd3ddd4521ca46791
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SHA1
59b5453b71086aeaf1012f45d335374a2f13133c
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SHA256
ae4cfb406afe9f575189804fde9c3abef45fa5020398938529fe17c9ec66daf3
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SHA512
c9418951b095241926f048768de341035e8ed84c1a4cb644f450201baa7861cfb68f0d759e14e353f5deb37104b12aa64ded777da37b1aadf690a1f44a4b243b
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SSDEEP
6144:sRBqTFl1qQ1K0+V6SW5pY8i3ktNoz0ul:8qjwQ1K0XektN+0u
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (56) 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 Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1