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General
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Target
2024-03-19_d6506bf5033fc4c977460e6f34551b90_virlock
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Size
137KB
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Sample
240319-mjhz1aae3v
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MD5
d6506bf5033fc4c977460e6f34551b90
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SHA1
9836ae9be7fb94a0239059cbab25209656a315c0
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SHA256
0a069e20364cafe9589c1a79d4ab622922ac41fec0e52edc1a626c92a14a8fdb
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SHA512
9a33f9e19e8c499ef874e44359f69ca7c425b4cf28e1872a96a2b334d8f3c434cf6a69c9b2c27cf944045eb7e42621e4402f93614a0a95760ca11d24c3c86a0a
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SSDEEP
1536:UcC0o5CalHFg/sWTyCoc/qYB6pV+nJLE3s/Cgfb6JJOivwAOPloMwS8eGLt3aIYd:Y0o5Ca9C/sWuBxue3s/WJDiOD3lYx3PX
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_d6506bf5033fc4c977460e6f34551b90_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_d6506bf5033fc4c977460e6f34551b90_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-03-19_d6506bf5033fc4c977460e6f34551b90_virlock
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Size
137KB
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MD5
d6506bf5033fc4c977460e6f34551b90
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SHA1
9836ae9be7fb94a0239059cbab25209656a315c0
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SHA256
0a069e20364cafe9589c1a79d4ab622922ac41fec0e52edc1a626c92a14a8fdb
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SHA512
9a33f9e19e8c499ef874e44359f69ca7c425b4cf28e1872a96a2b334d8f3c434cf6a69c9b2c27cf944045eb7e42621e4402f93614a0a95760ca11d24c3c86a0a
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SSDEEP
1536:UcC0o5CalHFg/sWTyCoc/qYB6pV+nJLE3s/Cgfb6JJOivwAOPloMwS8eGLt3aIYd:Y0o5Ca9C/sWuBxue3s/WJDiOD3lYx3PX
Score10/10-
Modifies visibility of file extensions in Explorer
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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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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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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
1