General
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Target
2025-07-01_59aebf06822176d8d8fcb832ae117039_elex_virlock
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Size
307KB
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Sample
250701-jcky8shj2w
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MD5
59aebf06822176d8d8fcb832ae117039
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SHA1
10d5eb7b9bdd4707c784a84646d4d2e89efbb1f7
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SHA256
c75789db21daa0c39830b9f953fce46cb4660d3d700e00112fe06427a87bf9e4
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SHA512
4544042c8ff8f92d180925d02c3496ca12d4f78e71ff3b521e948e78a81428d96fecf48555249a5b54684f2535132d8a6b18972b0a435500dd00c1e2b1e14d77
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SSDEEP
6144:cdzk65IctfTsNZMZwhZnLKJZ3DSMuUprCWclPAA08MlQWYGcngNE:cdzDI8A9hK5SMJrsYA08wO
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-01_59aebf06822176d8d8fcb832ae117039_elex_virlock.exe
Resource
win10v2004-20250610-en
Malware Config
Targets
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Target
2025-07-01_59aebf06822176d8d8fcb832ae117039_elex_virlock
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Size
307KB
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MD5
59aebf06822176d8d8fcb832ae117039
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SHA1
10d5eb7b9bdd4707c784a84646d4d2e89efbb1f7
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SHA256
c75789db21daa0c39830b9f953fce46cb4660d3d700e00112fe06427a87bf9e4
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SHA512
4544042c8ff8f92d180925d02c3496ca12d4f78e71ff3b521e948e78a81428d96fecf48555249a5b54684f2535132d8a6b18972b0a435500dd00c1e2b1e14d77
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SSDEEP
6144:cdzk65IctfTsNZMZwhZnLKJZ3DSMuUprCWclPAA08MlQWYGcngNE:cdzDI8A9hK5SMJrsYA08wO
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (88) 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