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General
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Target
2024-10-20_3ce5860a71270ac8e0710851fb649735_virlock
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Size
345KB
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Sample
241020-z7apra1bnh
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MD5
3ce5860a71270ac8e0710851fb649735
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SHA1
9f2ea853bdaaef54c3050728bf2952c5e5a21b69
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SHA256
6b7c23e6bd017b5767293816a0f2ab3f131e689778774b2acb506bde1b59df86
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SHA512
3ed1e73b01beaed9f41be3afbb53f0a45b59a7e6898eb7a171d662dc52fd1ce740adef385054e9fe1753fc83c1422a23e2d929d7eb48cbe438e91cfda2d7da4e
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SSDEEP
6144:GGAtXrUyRZFT6dfj/4JBy009aYGuzzYeBlLECnD:GzLRZ2qy1vzNnD
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-20_3ce5860a71270ac8e0710851fb649735_virlock.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-10-20_3ce5860a71270ac8e0710851fb649735_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-20_3ce5860a71270ac8e0710851fb649735_virlock
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Size
345KB
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MD5
3ce5860a71270ac8e0710851fb649735
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SHA1
9f2ea853bdaaef54c3050728bf2952c5e5a21b69
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SHA256
6b7c23e6bd017b5767293816a0f2ab3f131e689778774b2acb506bde1b59df86
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SHA512
3ed1e73b01beaed9f41be3afbb53f0a45b59a7e6898eb7a171d662dc52fd1ce740adef385054e9fe1753fc83c1422a23e2d929d7eb48cbe438e91cfda2d7da4e
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SSDEEP
6144:GGAtXrUyRZFT6dfj/4JBy009aYGuzzYeBlLECnD:GzLRZ2qy1vzNnD
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Modifies visibility of file extensions in Explorer
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Renames multiple (87) 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