General
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Target
2024-04-07_999c8cd259701e905e906158b18c2a1d_virlock
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Size
314KB
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Sample
240407-xqhmxsbf8z
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MD5
999c8cd259701e905e906158b18c2a1d
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SHA1
58b985e75f19a6a6b9468c1efed1199dbe6d96fe
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SHA256
efdcc8e2ed9e2ee0e54396fb6b1ffab1fdf454f0c7884952f9ad27abedc0d1e9
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SHA512
595b2c7ab395351bb35ea2f71f34dcf29fcd6f5d6902b8b19c05c3bc3b056587a228bad997ede1042990939711432b12c947c9b4e733671560c2cc9e6ba8023a
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SSDEEP
6144:tr3hUc9bmpNwghQcSYHTJtn19XEcFv0PWWZ7o8oFwN8hogyX0d:cuoNfLHAcelQOGWgyEd
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-07_999c8cd259701e905e906158b18c2a1d_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-07_999c8cd259701e905e906158b18c2a1d_virlock.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
2024-04-07_999c8cd259701e905e906158b18c2a1d_virlock
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Size
314KB
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MD5
999c8cd259701e905e906158b18c2a1d
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SHA1
58b985e75f19a6a6b9468c1efed1199dbe6d96fe
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SHA256
efdcc8e2ed9e2ee0e54396fb6b1ffab1fdf454f0c7884952f9ad27abedc0d1e9
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SHA512
595b2c7ab395351bb35ea2f71f34dcf29fcd6f5d6902b8b19c05c3bc3b056587a228bad997ede1042990939711432b12c947c9b4e733671560c2cc9e6ba8023a
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SSDEEP
6144:tr3hUc9bmpNwghQcSYHTJtn19XEcFv0PWWZ7o8oFwN8hogyX0d:cuoNfLHAcelQOGWgyEd
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (80) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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