General
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Target
2025-05-03_04867ae55074cf0e9204f9365cf426a1_elex_virlock.exe
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Size
809KB
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Sample
250503-q8va4stwds
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MD5
04867ae55074cf0e9204f9365cf426a1
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SHA1
5c6d48427f1d774ebde194683a55d872bcb207d9
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SHA256
1acdab0ba8f5da8262d15dd702dcc08e8e15f617f893ebe0bb0b767664567298
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SHA512
52826443d07bbb010c18178d85989fcad5dc327d8cb4d423c4c06a0303d5cf245ae2c1b6d929c46e8280fb565e8bf823172f2b44be1f193e43083ad5fa979083
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SSDEEP
12288:dKjOyfbZE9/AJhwsmThLHm1V4OHF2p0FfTwOFkYCzLmP2u1pAdv:dKyyF4AxmVLHm152aFLwzA2
Static task
static1
Behavioral task
behavioral1
Sample
2025-05-03_04867ae55074cf0e9204f9365cf426a1_elex_virlock.exe
Resource
win10v2004-20250502-en
Behavioral task
behavioral2
Sample
2025-05-03_04867ae55074cf0e9204f9365cf426a1_elex_virlock.exe
Resource
win11-20250502-en
Malware Config
Targets
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Target
2025-05-03_04867ae55074cf0e9204f9365cf426a1_elex_virlock.exe
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Size
809KB
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MD5
04867ae55074cf0e9204f9365cf426a1
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SHA1
5c6d48427f1d774ebde194683a55d872bcb207d9
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SHA256
1acdab0ba8f5da8262d15dd702dcc08e8e15f617f893ebe0bb0b767664567298
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SHA512
52826443d07bbb010c18178d85989fcad5dc327d8cb4d423c4c06a0303d5cf245ae2c1b6d929c46e8280fb565e8bf823172f2b44be1f193e43083ad5fa979083
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SSDEEP
12288:dKjOyfbZE9/AJhwsmThLHm1V4OHF2p0FfTwOFkYCzLmP2u1pAdv:dKyyF4AxmVLHm152aFLwzA2
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Modifies visibility of file extensions in Explorer
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UAC bypass
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Renames multiple (89) 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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Loads dropped DLL
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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