General
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Target
2025-07-04_7a164690d998ee11ec3dd5ae2f1167a8_elex_virlock
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Size
319KB
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Sample
250704-vb4kqsbk4y
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MD5
7a164690d998ee11ec3dd5ae2f1167a8
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SHA1
47e61f0262114c72b29031e77d755622716bd696
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SHA256
2e94881a55646d2ef991abeda8abde9882ed887d534595e8b720552ff2a0e2e4
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SHA512
f169be7806fac34dac2ee51aa7722ad50f05620ed7f9e69ac7cb227afad4359097e18b8d2d42f085f1f6f69d7966996ad3e8af25faaf83f033733a5a5877b661
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SSDEEP
6144:AB1iZvasjBArxbZgtOklTstMbtzKXsKJdveVwQ/Z+S:i1iZXlAMY9MbA8KPeVG
Static task
static1
Behavioral task
behavioral1
Sample
2025-07-04_7a164690d998ee11ec3dd5ae2f1167a8_elex_virlock.exe
Resource
win10v2004-20250619-en
Malware Config
Targets
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Target
2025-07-04_7a164690d998ee11ec3dd5ae2f1167a8_elex_virlock
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Size
319KB
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MD5
7a164690d998ee11ec3dd5ae2f1167a8
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SHA1
47e61f0262114c72b29031e77d755622716bd696
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SHA256
2e94881a55646d2ef991abeda8abde9882ed887d534595e8b720552ff2a0e2e4
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SHA512
f169be7806fac34dac2ee51aa7722ad50f05620ed7f9e69ac7cb227afad4359097e18b8d2d42f085f1f6f69d7966996ad3e8af25faaf83f033733a5a5877b661
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SSDEEP
6144:AB1iZvasjBArxbZgtOklTstMbtzKXsKJdveVwQ/Z+S:i1iZXlAMY9MbA8KPeVG
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (78) 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