Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
20-04-2024 03:24
General
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Target
2024-04-20_05408e9957d371df5dbdb2b0835bd1a9_cryptolocker.exe
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Size
38KB
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MD5
05408e9957d371df5dbdb2b0835bd1a9
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SHA1
d5226955fe57b3b75a5177fad33477ad432157bd
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SHA256
8b11fd6b858f89800127c600bcb6e8dd883cff009403955401d0e799b8efa404
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SHA512
46f3dadd3510bc7c33f1ed6c5826b1106b64d03862e67ecef5c9e599a31fdc7e99fef9b239c01c9a90b2916f5771ead9a16d5acbbadce5c299049c2035a9869b
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYF:qDdFJy3QMOtEvwDpjjWMl7TA
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\2024-04-20_05408e9957d371df5dbdb2b0835bd1a9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_05408e9957d371df5dbdb2b0835bd1a9_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
MD506bd598e9649d993db3bd9fd37a745c8
SHA1113461d258d13fcc232866f411d7003491a4c2df
SHA25673782b87aa1def711ef914034b7cdf588302975a01ab1fce6695ac7b51296173
SHA512fb6fe03245689ceb08400671396bc064e306495c2bc45ce24d2ccbf3481b6aed40d3477d456a401b71d9e48d71e3898ad9ead500e6994ac55275285911a24bff
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Filesize
64KB
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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
24KB
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Filesize
64KB
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Filesize
64KB