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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
14/06/2024, 07:43
General
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Target
2024-06-14_722f7b8cc6b978544093bd94c61e5525_cryptolocker.exe
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Size
53KB
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MD5
722f7b8cc6b978544093bd94c61e5525
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SHA1
6ef9f15838bdb69b524e7c6f384a188690479585
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SHA256
8b44a05628b2e7a69b924f5990bb63488db0f14ca6ca6a94eddaa0cc38101729
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SHA512
c66bef43835d5d5680f97081043893690871d381304c48bd331e9714203f6efebf7223ad1761cccc0b54c91bd1fe5696d9581d0ad62cae83023c74d1377c8a21
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOmb:z6QFElP6n+gKmddpMOtEvwDpj31imb
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-14_722f7b8cc6b978544093bd94c61e5525_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-14_722f7b8cc6b978544093bd94c61e5525_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD59d581fc7b50055cc6e475316c42e8c74
SHA1c4538f4400031651f6e9593e723fd8ebc1503101
SHA2563c58b4a31941112d1bd0aa421bc292ae8cf180073295ed4150b42cc7a4c34a6f
SHA5124b1c0ba4d7136a72b1ed4f5bb68d0187172dfd9265f2791979eea5cc3cde0e7f4e43af083311a1d49d864e9d7e59a01b619f547d4621efdb9b0b8aca2131e402
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB