General
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Target
2024-06-12_a33f8ea7857dd6eb763a1a275efe4f6d_virlock
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Size
117KB
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Sample
240612-sgqjyszapf
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MD5
a33f8ea7857dd6eb763a1a275efe4f6d
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SHA1
06d0912d8db3cb1f1b38ae2f510d001b56cb5597
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SHA256
a2f617fb0e1866cb0d4e2e9386f9facddee8f6cabee08c22c316ec8b15962420
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SHA512
eefae5a23cba2f302865467799f918feb3b5e55ab6afe999e63406e990ca80dff87ac3272d302c5f1192d410fd4dab2ad671da4eef73ea0a019396293fd844eb
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SSDEEP
3072:J846BUO6UI7VKdgfuxMJ6n4pQJ6y/R5OEL:J52IIT6JE4K77
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_a33f8ea7857dd6eb763a1a275efe4f6d_virlock.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-12_a33f8ea7857dd6eb763a1a275efe4f6d_virlock.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
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Target
2024-06-12_a33f8ea7857dd6eb763a1a275efe4f6d_virlock
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Size
117KB
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MD5
a33f8ea7857dd6eb763a1a275efe4f6d
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SHA1
06d0912d8db3cb1f1b38ae2f510d001b56cb5597
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SHA256
a2f617fb0e1866cb0d4e2e9386f9facddee8f6cabee08c22c316ec8b15962420
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SHA512
eefae5a23cba2f302865467799f918feb3b5e55ab6afe999e63406e990ca80dff87ac3272d302c5f1192d410fd4dab2ad671da4eef73ea0a019396293fd844eb
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SSDEEP
3072:J846BUO6UI7VKdgfuxMJ6n4pQJ6y/R5OEL:J52IIT6JE4K77
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (80) 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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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
1