General
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Target
2024-06-12_46fd19475578d5f6fe7bf048530e97e6_virlock
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Size
657KB
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Sample
240612-vg29vswdnn
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MD5
46fd19475578d5f6fe7bf048530e97e6
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SHA1
c1f7f68cc5fa9c959437185136d6728209957eeb
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SHA256
49e1c50f1cfdcb8959f99ba41b93d0a316847125c6b1e829dd30d5a98b4d656e
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SHA512
dc783e6b23095488a4eae5988e94c79efcb68f566d6f46bddae2d8cb58d2290f5fdadf5507845239950aa96e845a31d39a6cfb66c49d1a885c4b5a1ddd49214f
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SSDEEP
12288:VP4TfEhKezjeiWraFk8/hYMjGlC8/DBqDk3oPa+MPqR+0y:mJezhGaFk8/6bwDk3oi+KqR+0y
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-12_46fd19475578d5f6fe7bf048530e97e6_virlock.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-12_46fd19475578d5f6fe7bf048530e97e6_virlock.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-06-12_46fd19475578d5f6fe7bf048530e97e6_virlock
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Size
657KB
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MD5
46fd19475578d5f6fe7bf048530e97e6
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SHA1
c1f7f68cc5fa9c959437185136d6728209957eeb
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SHA256
49e1c50f1cfdcb8959f99ba41b93d0a316847125c6b1e829dd30d5a98b4d656e
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SHA512
dc783e6b23095488a4eae5988e94c79efcb68f566d6f46bddae2d8cb58d2290f5fdadf5507845239950aa96e845a31d39a6cfb66c49d1a885c4b5a1ddd49214f
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SSDEEP
12288:VP4TfEhKezjeiWraFk8/hYMjGlC8/DBqDk3oPa+MPqR+0y:mJezhGaFk8/6bwDk3oi+KqR+0y
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (58) 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