General
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Target
2024-11-15_aba8927de516e3527a558f80ee95473e_virlock
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Size
645KB
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Sample
241115-qnyssstnfz
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MD5
aba8927de516e3527a558f80ee95473e
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SHA1
9d4b3cfcf44fa88b9fb35e20568c5694cf9ec7c7
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SHA256
6e72f668fcfd5f1ebd715349d3668381983a075e836675cc45dac02c86079453
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SHA512
32e1ada3c5f23abb0697557509392537daeb290a3b76f6977f21e496afa692b93ebc841237074ca92db1b55dc483935feface20d3687d5bd3204302fbc019110
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SSDEEP
6144:UrmL6ApaFmH9yd6DaQWc/CKUjTK+9KpOWv/uREr+VBFf0JxNL/Z4xS6WWjN22cow:UKX7H9wkaQB/OT39KpdPr+3GTgIDsrE
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-15_aba8927de516e3527a558f80ee95473e_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-15_aba8927de516e3527a558f80ee95473e_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-15_aba8927de516e3527a558f80ee95473e_virlock
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Size
645KB
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MD5
aba8927de516e3527a558f80ee95473e
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SHA1
9d4b3cfcf44fa88b9fb35e20568c5694cf9ec7c7
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SHA256
6e72f668fcfd5f1ebd715349d3668381983a075e836675cc45dac02c86079453
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SHA512
32e1ada3c5f23abb0697557509392537daeb290a3b76f6977f21e496afa692b93ebc841237074ca92db1b55dc483935feface20d3687d5bd3204302fbc019110
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SSDEEP
6144:UrmL6ApaFmH9yd6DaQWc/CKUjTK+9KpOWv/uREr+VBFf0JxNL/Z4xS6WWjN22cow:UKX7H9wkaQB/OT39KpdPr+3GTgIDsrE
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Modifies visibility of file extensions in Explorer
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Renames multiple (57) 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