General
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Target
2025-01-19_4fceae18798d6e9d9726d9ebc8e98665_virlock
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Size
160KB
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Sample
250119-q1mw3azrer
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MD5
4fceae18798d6e9d9726d9ebc8e98665
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SHA1
226b36156fa3d520a39a7c4a96849cfabce019b8
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SHA256
10dec2e5ef89769cdb0d38848f97d27ae129ccb4527e84aae78afc78298a6463
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SHA512
c8b57b12e74de9f86a208dd5c8a1493d0124fbd7f65de90fed38c3ce26478c0570bd7f1d3ae73592b43b17fd5b2e0160dc089a1ac536d95e14ea68ebbe500bc4
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SSDEEP
3072:mOAYiSnPdfhSwQ9LIJq2BW4O2UGgP3xeMCIpVDblhXPCUJhk:mOrPnFZfQ9LPeWZ2uuuDJxPCUJhk
Static task
static1
Behavioral task
behavioral1
Sample
2025-01-19_4fceae18798d6e9d9726d9ebc8e98665_virlock.exe
Resource
win7-20240903-en
Malware Config
Targets
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Target
2025-01-19_4fceae18798d6e9d9726d9ebc8e98665_virlock
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Size
160KB
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MD5
4fceae18798d6e9d9726d9ebc8e98665
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SHA1
226b36156fa3d520a39a7c4a96849cfabce019b8
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SHA256
10dec2e5ef89769cdb0d38848f97d27ae129ccb4527e84aae78afc78298a6463
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SHA512
c8b57b12e74de9f86a208dd5c8a1493d0124fbd7f65de90fed38c3ce26478c0570bd7f1d3ae73592b43b17fd5b2e0160dc089a1ac536d95e14ea68ebbe500bc4
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SSDEEP
3072:mOAYiSnPdfhSwQ9LIJq2BW4O2UGgP3xeMCIpVDblhXPCUJhk:mOrPnFZfQ9LPeWZ2uuuDJxPCUJhk
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Modifies visibility of file extensions in Explorer
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Renames multiple (61) 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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1