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General
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Target
2024-10-21_6c7672fd72a84b2be508b4c6addeedf1_virlock
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Size
275KB
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Sample
241021-cahyjavbnr
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MD5
6c7672fd72a84b2be508b4c6addeedf1
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SHA1
7e17773aa1a3dd774108582822f54c1cad36da98
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SHA256
e02b9cfe5343afa74fae48a37551aed04b34e1bdcb94485c66108b9a4d382201
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SHA512
f73f03bd79603211653c026cd8e1caad5626949e6a040e68c538c462f5873ab0f4496aa53a9eb29030eec7901491df53fb2fed87ad1dd29bc01b6f743591d979
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SSDEEP
3072:35LuCVHRHYMjs65id1EMHyqW3/yMbBefmJ+aOPf1JIpI0Nj9vd4hfE/az0CW:du+Hh81EMHyPyMcfo+x3/0NZvahfE/kC
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-21_6c7672fd72a84b2be508b4c6addeedf1_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-21_6c7672fd72a84b2be508b4c6addeedf1_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-21_6c7672fd72a84b2be508b4c6addeedf1_virlock
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Size
275KB
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MD5
6c7672fd72a84b2be508b4c6addeedf1
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SHA1
7e17773aa1a3dd774108582822f54c1cad36da98
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SHA256
e02b9cfe5343afa74fae48a37551aed04b34e1bdcb94485c66108b9a4d382201
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SHA512
f73f03bd79603211653c026cd8e1caad5626949e6a040e68c538c462f5873ab0f4496aa53a9eb29030eec7901491df53fb2fed87ad1dd29bc01b6f743591d979
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SSDEEP
3072:35LuCVHRHYMjs65id1EMHyqW3/yMbBefmJ+aOPf1JIpI0Nj9vd4hfE/az0CW:du+Hh81EMHyPyMcfo+x3/0NZvahfE/kC
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Modifies visibility of file extensions in Explorer
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Renames multiple (51) 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
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