General
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Target
2024-06-12_126e516039073b34477ea82cf88b22ac_virlock
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Size
644KB
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Sample
240612-vbge7ssblb
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MD5
126e516039073b34477ea82cf88b22ac
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SHA1
3ca0a7de64f5154879dc9915d1953a20f1f3d0aa
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SHA256
044a841242d18b3002c9c0673b145dcfca9a08c4d5c305549d18091ea4f2eceb
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SHA512
0c4544fb497795168712ec35fedaf7c58b1010f83f1f3db87542b0957fbc99f915b06203366d761af54c1986543a12e9e7fe3e9cc09e50ab5b7a510c68e8b8c5
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SSDEEP
12288:rTy/ERLOKOWDO3cKTZLLKDxSEVwf28lUKrLe5spY5c5Z4Qp2J0Qrt:6/ERLOKOWcX9LL2gf2QUN5kBVE
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_126e516039073b34477ea82cf88b22ac_virlock.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-12_126e516039073b34477ea82cf88b22ac_virlock.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
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Target
2024-06-12_126e516039073b34477ea82cf88b22ac_virlock
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Size
644KB
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MD5
126e516039073b34477ea82cf88b22ac
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SHA1
3ca0a7de64f5154879dc9915d1953a20f1f3d0aa
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SHA256
044a841242d18b3002c9c0673b145dcfca9a08c4d5c305549d18091ea4f2eceb
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SHA512
0c4544fb497795168712ec35fedaf7c58b1010f83f1f3db87542b0957fbc99f915b06203366d761af54c1986543a12e9e7fe3e9cc09e50ab5b7a510c68e8b8c5
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SSDEEP
12288:rTy/ERLOKOWDO3cKTZLLKDxSEVwf28lUKrLe5spY5c5Z4Qp2J0Qrt:6/ERLOKOWcX9LL2gf2QUN5kBVE
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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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