General
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Target
2024-11-06_1175137f9c43cadfd658988907bb20d9_virlock
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Size
139KB
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Sample
241106-c91mmawkhm
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MD5
1175137f9c43cadfd658988907bb20d9
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SHA1
e76fd91f3076e9767907752542810436ea8ac51a
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SHA256
01d90e0102e1f1bfd81cfd472e767623db370a322162b8fee50a31225bc155ed
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SHA512
28706f5decaee1b50a6fa32113f690c3d07512b1f18dd016b8110b663b8c9521cb115b206a739d1256d41d8dac210e66d3c301648f2284797ccfbea6269220b1
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SSDEEP
3072:MKren+Ej51kHsoAEtDKDF48fJpHVXpRkr+4v:MKqnFkMoAEtDKDpbzO
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-06_1175137f9c43cadfd658988907bb20d9_virlock.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-06_1175137f9c43cadfd658988907bb20d9_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-06_1175137f9c43cadfd658988907bb20d9_virlock
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Size
139KB
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MD5
1175137f9c43cadfd658988907bb20d9
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SHA1
e76fd91f3076e9767907752542810436ea8ac51a
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SHA256
01d90e0102e1f1bfd81cfd472e767623db370a322162b8fee50a31225bc155ed
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SHA512
28706f5decaee1b50a6fa32113f690c3d07512b1f18dd016b8110b663b8c9521cb115b206a739d1256d41d8dac210e66d3c301648f2284797ccfbea6269220b1
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SSDEEP
3072:MKren+Ej51kHsoAEtDKDF48fJpHVXpRkr+4v:MKqnFkMoAEtDKDpbzO
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Modifies visibility of file extensions in Explorer
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Renames multiple (89) 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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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