General
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Target
2024-05-25_3239012c90f506c262a547720d46004b_virlock
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Size
655KB
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Sample
240525-a9c58aha97
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MD5
3239012c90f506c262a547720d46004b
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SHA1
3a7dfbcf28f7db1061697d1b4ce87a9c5cd008bb
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SHA256
4738967ae1b857a2069d05b261ada27be13fdd3d0dc182daaa4dda1fe756018c
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SHA512
7fa6ecda19d55518416ccae74db17dbb3932c3a6b2d770c1bfd9b83e71ec54b52ae1a2f6bd0e694c86d74dac5b7f066ec1e94cf8f27e210f6b20ce874c79c7ef
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SSDEEP
12288:ChTV9R/ZzP/bm2OEBPwIJNwLQCRYrXFUibtfX6tODtdLPdLnb5AhXBtttKJo2ELy:ChfhZzPD3P2LQVr1vbNVDtdLPdL1AhX4
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-25_3239012c90f506c262a547720d46004b_virlock.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-25_3239012c90f506c262a547720d46004b_virlock.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
2024-05-25_3239012c90f506c262a547720d46004b_virlock
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Size
655KB
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MD5
3239012c90f506c262a547720d46004b
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SHA1
3a7dfbcf28f7db1061697d1b4ce87a9c5cd008bb
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SHA256
4738967ae1b857a2069d05b261ada27be13fdd3d0dc182daaa4dda1fe756018c
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SHA512
7fa6ecda19d55518416ccae74db17dbb3932c3a6b2d770c1bfd9b83e71ec54b52ae1a2f6bd0e694c86d74dac5b7f066ec1e94cf8f27e210f6b20ce874c79c7ef
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SSDEEP
12288:ChTV9R/ZzP/bm2OEBPwIJNwLQCRYrXFUibtfX6tODtdLPdLnb5AhXBtttKJo2ELy:ChfhZzPD3P2LQVr1vbNVDtdLPdL1AhX4
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (53) 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 Matrix ATT&CK v13
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1