General
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Target
2024-10-06_22143b7268476893a75b2d342ddfca9b_virlock
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Size
809KB
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Sample
241006-klj9qszhne
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MD5
22143b7268476893a75b2d342ddfca9b
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SHA1
472b26417c0162e3efbea25be73151097d87a0cb
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SHA256
0a56248b47da533dcc28a26e5712148e051acb56d38bb7c4b97890e64cfb27d4
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SHA512
0616bd3b3e04e0f79da19951e82f96ab352dd389b4bcd52d1cb95c0139afcbeeae8dd98fc368a911a88919f17c855609058725a3a5513c825263d1a6f58495a8
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SSDEEP
24576:vuU5Y00slPy0+yLmDuCnxs/wv6Shhlrq:GU5lXCxsK/h7
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_22143b7268476893a75b2d342ddfca9b_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_22143b7268476893a75b2d342ddfca9b_virlock.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024-10-06_22143b7268476893a75b2d342ddfca9b_virlock
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Size
809KB
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MD5
22143b7268476893a75b2d342ddfca9b
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SHA1
472b26417c0162e3efbea25be73151097d87a0cb
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SHA256
0a56248b47da533dcc28a26e5712148e051acb56d38bb7c4b97890e64cfb27d4
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SHA512
0616bd3b3e04e0f79da19951e82f96ab352dd389b4bcd52d1cb95c0139afcbeeae8dd98fc368a911a88919f17c855609058725a3a5513c825263d1a6f58495a8
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SSDEEP
24576:vuU5Y00slPy0+yLmDuCnxs/wv6Shhlrq:GU5lXCxsK/h7
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Modifies visibility of file extensions in Explorer
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Renames multiple (59) 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 v15
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