General
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Target
b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c
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Size
255KB
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Sample
240430-cba93she5x
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MD5
784ca39bd620e09f428f473f68b6b3b0
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SHA1
e1d757386b645059e944145b3ac0b6dbfbebb1a5
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SHA256
b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c
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SHA512
effbdb85d52cc58f57f2dfd9f86bf7b7823981240db70180b63b36d114019c7a77c8db187a1dd0b8dae50b839b84c2e0a7660b56841f39f9f771d4a7be262831
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIh
Behavioral task
behavioral1
Sample
b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c.exe
Resource
win7-20240221-en
Malware Config
Targets
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Target
b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c
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Size
255KB
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MD5
784ca39bd620e09f428f473f68b6b3b0
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SHA1
e1d757386b645059e944145b3ac0b6dbfbebb1a5
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SHA256
b93bd158355c7fb53b409241f3ecbd16f0e65d67dc38765a1352a9b03c595a2c
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SHA512
effbdb85d52cc58f57f2dfd9f86bf7b7823981240db70180b63b36d114019c7a77c8db187a1dd0b8dae50b839b84c2e0a7660b56841f39f9f771d4a7be262831
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJm:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIh
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Modifies visibility of file extensions in Explorer
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Modifies visiblity of hidden/system files in Explorer
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UPX dump on OEP (original entry point)
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Disables RegEdit via registry modification
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Modifies WinLogon
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
7