General
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Target
2024-11-12_58885690419567786800d4c16d55459f_virlock
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Size
562KB
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Sample
241112-mw9y9a1drg
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MD5
58885690419567786800d4c16d55459f
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SHA1
919e6adea49abbc9b8fa93d0a684f3fc5f4557db
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SHA256
96d580684c5300a77c7a06debd7df2a480f5f934a6e545bb72962e724e6dfa96
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SHA512
48cdd166d50f7e697a8f0b093c31eb93523be635b6cae41cf9429520e08fbd4ba01bd830f1ab6ac642c61474ec4a3e88ebaedc396746b6829d2feb627e32e2b3
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SSDEEP
12288:nG8Ls30OYDymXrYRa2XlC901Cln+hUN+54A59zlM9soU1me:FLsELDdrYR9lInEYS59+UYe
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-12_58885690419567786800d4c16d55459f_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-12_58885690419567786800d4c16d55459f_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-12_58885690419567786800d4c16d55459f_virlock
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Size
562KB
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MD5
58885690419567786800d4c16d55459f
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SHA1
919e6adea49abbc9b8fa93d0a684f3fc5f4557db
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SHA256
96d580684c5300a77c7a06debd7df2a480f5f934a6e545bb72962e724e6dfa96
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SHA512
48cdd166d50f7e697a8f0b093c31eb93523be635b6cae41cf9429520e08fbd4ba01bd830f1ab6ac642c61474ec4a3e88ebaedc396746b6829d2feb627e32e2b3
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SSDEEP
12288:nG8Ls30OYDymXrYRa2XlC901Cln+hUN+54A59zlM9soU1me:FLsELDdrYR9lInEYS59+UYe
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Modifies visibility of file extensions in Explorer
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Renames multiple (76) 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