General
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Target
2025-05-15_e79192fe82e2ffbec09b221a900111f4_elex_virlock
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Size
196KB
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Sample
250516-a23e5sbq7z
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MD5
e79192fe82e2ffbec09b221a900111f4
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SHA1
411e34006b18739cd8e5da36752cb128f120e75e
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SHA256
0d3474e32c85d2b77bbfbdabe4864d018ac37134ab1105b93cf574b13e0ce79d
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SHA512
56864093af5b12d1f65fee42338c8cf396b0676b210509bd7fa1ea6d7d927c684e7ccda94a252513351da999e31428ab633541497c1597d3c8d4b13ca4875379
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SSDEEP
3072:SUq51We4buY980oWXU9GHa8YXW0Fc7kShqZZy8C2xIhEDrw:k1XPq8jpI7Y07Twt7
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-15_e79192fe82e2ffbec09b221a900111f4_elex_virlock.exe
Resource
win10v2004-20250502-en
Malware Config
Targets
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Target
2025-05-15_e79192fe82e2ffbec09b221a900111f4_elex_virlock
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Size
196KB
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MD5
e79192fe82e2ffbec09b221a900111f4
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SHA1
411e34006b18739cd8e5da36752cb128f120e75e
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SHA256
0d3474e32c85d2b77bbfbdabe4864d018ac37134ab1105b93cf574b13e0ce79d
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SHA512
56864093af5b12d1f65fee42338c8cf396b0676b210509bd7fa1ea6d7d927c684e7ccda94a252513351da999e31428ab633541497c1597d3c8d4b13ca4875379
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SSDEEP
3072:SUq51We4buY980oWXU9GHa8YXW0Fc7kShqZZy8C2xIhEDrw:k1XPq8jpI7Y07Twt7
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (95) 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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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v16
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