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General
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Target
2024-03-04_6e472fdebcf3b9a0ad5fe7810b019346_virlock
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Size
254KB
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Sample
240304-rw8teadf44
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MD5
6e472fdebcf3b9a0ad5fe7810b019346
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SHA1
38328fd1b4fc8a896d2874574632155d030ef8f0
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SHA256
7eb5aafdb65253add249e8dc7158ea02d067ba5f1e6ef7e620f14884b698affd
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SHA512
1a31615f87e87439a2f2db57c370ccd3170f26f2a6f706ab14fa8527dbce208975f957798a153df14edf40e5a052aaa0870deda006a88f29be6263538d97c6f9
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SSDEEP
6144:eL8l/y8BwksavW6CpkcbBoT37HMaTQ3Hj:+KqpDau6Cpkeob7sqi
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-04_6e472fdebcf3b9a0ad5fe7810b019346_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-04_6e472fdebcf3b9a0ad5fe7810b019346_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-03-04_6e472fdebcf3b9a0ad5fe7810b019346_virlock
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Size
254KB
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MD5
6e472fdebcf3b9a0ad5fe7810b019346
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SHA1
38328fd1b4fc8a896d2874574632155d030ef8f0
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SHA256
7eb5aafdb65253add249e8dc7158ea02d067ba5f1e6ef7e620f14884b698affd
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SHA512
1a31615f87e87439a2f2db57c370ccd3170f26f2a6f706ab14fa8527dbce208975f957798a153df14edf40e5a052aaa0870deda006a88f29be6263538d97c6f9
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SSDEEP
6144:eL8l/y8BwksavW6CpkcbBoT37HMaTQ3Hj:+KqpDau6Cpkeob7sqi
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (90) 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