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General
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Target
5f0ad7e7f26781dc32c59dbcb9de2e77_virlock_JC.exe
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Size
2.2MB
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Sample
230804-tyn8wsce89
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MD5
5f0ad7e7f26781dc32c59dbcb9de2e77
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SHA1
15786ffa979f179248cbb9fe9da72761eb8db4ce
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SHA256
af1fd53a1ac9557a43b85931b7b87cc4f756f7dc9c27c52e9ea1a8c25748ac31
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SHA512
190acbc4759a0a19441b86a75567abda0401ffe36307e6ca288d8d31714f1931df7f75e2ad68561529214ef0e22d6e77de05e7ee2063a283844771cafab198f6
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SSDEEP
24576:tkcNojuh4Pczh9Z7JeIrolfvnhOgNOsqzN/qm/jD8gNdZL/7JLyc3YK1gQwy2WS0:tkcNoju6PEHeJfPhlRays8gqQ9n3tx
Static task
static1
Behavioral task
behavioral1
Sample
5f0ad7e7f26781dc32c59dbcb9de2e77_virlock_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
5f0ad7e7f26781dc32c59dbcb9de2e77_virlock_JC.exe
Resource
win10v2004-20230703-en
Malware Config
Targets
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Target
5f0ad7e7f26781dc32c59dbcb9de2e77_virlock_JC.exe
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Size
2.2MB
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MD5
5f0ad7e7f26781dc32c59dbcb9de2e77
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SHA1
15786ffa979f179248cbb9fe9da72761eb8db4ce
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SHA256
af1fd53a1ac9557a43b85931b7b87cc4f756f7dc9c27c52e9ea1a8c25748ac31
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SHA512
190acbc4759a0a19441b86a75567abda0401ffe36307e6ca288d8d31714f1931df7f75e2ad68561529214ef0e22d6e77de05e7ee2063a283844771cafab198f6
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SSDEEP
24576:tkcNojuh4Pczh9Z7JeIrolfvnhOgNOsqzN/qm/jD8gNdZL/7JLyc3YK1gQwy2WS0:tkcNoju6PEHeJfPhlRays8gqQ9n3tx
Score10/10-
Modifies WinLogon for persistence
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Modifies visibility of file extensions in Explorer
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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
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1