General
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Target
2025-05-29_617e01dda012c919db36629b81302154_elex_virlock
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Size
222KB
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Sample
250529-kzkseszvet
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MD5
617e01dda012c919db36629b81302154
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SHA1
074cac8671eb8f205dbb24409069ac3dd9ff6590
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SHA256
26a1d1fc9a0a63a7a149352316d99abc7690072ae0c7d8829199434b1b7fa571
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SHA512
5706318eee4ca881a081632fd1d0c69096e5546e3469d71bb2b647e9c12a4981c607b715ab4691b50d1bb1b0bafb62b5d2e463c94e6eabf55324bb932688506e
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SSDEEP
3072:h/cUvJpA30LWka1SBYm2jsx/nWk89YgiRQ4Z7lJ/VEPGqIADKK1FRbQCByUsUsgy:h/cMpqjg/nrfEu9wRvvsUsKgS
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-29_617e01dda012c919db36629b81302154_elex_virlock.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-05-29_617e01dda012c919db36629b81302154_elex_virlock.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
2025-05-29_617e01dda012c919db36629b81302154_elex_virlock
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Size
222KB
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MD5
617e01dda012c919db36629b81302154
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SHA1
074cac8671eb8f205dbb24409069ac3dd9ff6590
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SHA256
26a1d1fc9a0a63a7a149352316d99abc7690072ae0c7d8829199434b1b7fa571
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SHA512
5706318eee4ca881a081632fd1d0c69096e5546e3469d71bb2b647e9c12a4981c607b715ab4691b50d1bb1b0bafb62b5d2e463c94e6eabf55324bb932688506e
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SSDEEP
3072:h/cUvJpA30LWka1SBYm2jsx/nWk89YgiRQ4Z7lJ/VEPGqIADKK1FRbQCByUsUsgy:h/cMpqjg/nrfEu9wRvvsUsKgS
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (83) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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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