General
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Target
2025-05-30_3e5e5c74b7db0f451247014a6c1e551a_elex_virlock
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Size
574KB
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Sample
250530-bvj6na1mz4
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MD5
3e5e5c74b7db0f451247014a6c1e551a
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SHA1
05d9554bbbcf51a9553b9d69ed12559886a19379
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SHA256
2ce4b34adfc985da71c91c437ed0eeb4c0459a71b3195440ac6361e88b49972c
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SHA512
74346a5f0de4532ea7c392565d65c6a891dd9427fbf41624fd9357b27cd7fcf4a46a5f1e2078aeff74251171db3f64ef669f306bc88116dafb6c5dd30bd28869
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SSDEEP
3072:feYuO+b/sgM6jDwcauNseXk1uIiIArDPso1TtJ6C/v:felcclNuQHs4H6CX
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-30_3e5e5c74b7db0f451247014a6c1e551a_elex_virlock.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-05-30_3e5e5c74b7db0f451247014a6c1e551a_elex_virlock.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
2025-05-30_3e5e5c74b7db0f451247014a6c1e551a_elex_virlock
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Size
574KB
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MD5
3e5e5c74b7db0f451247014a6c1e551a
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SHA1
05d9554bbbcf51a9553b9d69ed12559886a19379
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SHA256
2ce4b34adfc985da71c91c437ed0eeb4c0459a71b3195440ac6361e88b49972c
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SHA512
74346a5f0de4532ea7c392565d65c6a891dd9427fbf41624fd9357b27cd7fcf4a46a5f1e2078aeff74251171db3f64ef669f306bc88116dafb6c5dd30bd28869
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SSDEEP
3072:feYuO+b/sgM6jDwcauNseXk1uIiIArDPso1TtJ6C/v:felcclNuQHs4H6CX
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (86) 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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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