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Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
15/05/2024, 21:38
General
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Target
2024-05-15_b76b917e0726d7a8225fb7f7f5cbcba5_cryptolocker.exe
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Size
38KB
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MD5
b76b917e0726d7a8225fb7f7f5cbcba5
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SHA1
fc565f8e104f92a697bebb4b607bf8fd04edfb15
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SHA256
9f352349adc1092c7afa9371803bfce73e545e07128fdad9c6f7c13e60978321
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SHA512
392d25f70cf8255b331b20b2d31e7af6371e409030a10d02284080d44add5f6140b158c86e69ac28407cbf056ac317b17533e381123630b88ed0c81892bbd46e
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axK3DQ:qUmnpomddpMOtEvwDpjjaYaQ0
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-15_b76b917e0726d7a8225fb7f7f5cbcba5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-15_b76b917e0726d7a8225fb7f7f5cbcba5_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
38KB
MD552ae63c218ca2ce2f9da3ed1b269ad92
SHA10bf85f907e8efeb99cbce9e67e4178267d2cbbe6
SHA2561b6913cb38e393715c65a12264a7db9e4b3e41498829fa5d031daf7f333f9831
SHA5122d3234b372e0feff24ac4af475e9e8fda16625994d41fa8567a5dfde980b25a95176732ccbeae8ab62efd511f959093bebae9850cc44d8e56bab0e34f98dd8cc
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB