General
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Target
2024-04-08_360ebed71c084664b0ea038da9d1f902_virlock
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Size
252KB
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Sample
240408-nmlezabd5s
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MD5
360ebed71c084664b0ea038da9d1f902
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SHA1
3ff39150fae3e50dc580f78ebae38015aa27c506
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SHA256
34ffe051c82003a663b634d2e4e133bf877e2c7886fd887e5d08f7ed6c2acfd7
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SHA512
78b7c6b913e0bf454b48c417344b960fc66bb4c6faf1bfc2f9dc021cc7a21abe8e127e488f3cf24b691c1a70b493458fe7b3210de32a2bdb064b2182f7940d45
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SSDEEP
3072:v8D7KBK6k4vrB3QFXR2iGgTxVrO9kmsIAAABykk6IEMegADupTP10IKbWbRla6M:k7Z6kKrBANR2caZwCT90IAKY6M
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-08_360ebed71c084664b0ea038da9d1f902_virlock.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-08_360ebed71c084664b0ea038da9d1f902_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-04-08_360ebed71c084664b0ea038da9d1f902_virlock
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Size
252KB
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MD5
360ebed71c084664b0ea038da9d1f902
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SHA1
3ff39150fae3e50dc580f78ebae38015aa27c506
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SHA256
34ffe051c82003a663b634d2e4e133bf877e2c7886fd887e5d08f7ed6c2acfd7
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SHA512
78b7c6b913e0bf454b48c417344b960fc66bb4c6faf1bfc2f9dc021cc7a21abe8e127e488f3cf24b691c1a70b493458fe7b3210de32a2bdb064b2182f7940d45
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SSDEEP
3072:v8D7KBK6k4vrB3QFXR2iGgTxVrO9kmsIAAABykk6IEMegADupTP10IKbWbRla6M:k7Z6kKrBANR2caZwCT90IAKY6M
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (82) 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 Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1