Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
23/05/2024, 02:32
General
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Target
2024-05-23_73e2522bc10147eb0b46ab145c1ac281_cryptolocker.exe
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Size
40KB
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MD5
73e2522bc10147eb0b46ab145c1ac281
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SHA1
257792256c6eb77af6ba0e91cc7d9bdfc9bdffa3
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SHA256
9748b5fc6cc9e73ba4d4923f3878a4d1d857454ac4b7240add41709a249e81fe
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SHA512
9538182be6fb011f04f5583b3c85d8f9bffed606c054687946f63e85fc159ef8bdc912d5784550db1cc663f347f84d785a239c966d6b5e4d6bef72659d854ddc
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBIn:qDdFJy3QMOtEvwDpjjWMl7Tdc
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\2024-05-23_73e2522bc10147eb0b46ab145c1ac281_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_73e2522bc10147eb0b46ab145c1ac281_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
40KB
MD52a9419b275218f593ed4c03cd41fb4c4
SHA16ee5f26841bcd4c216588a009bd77a8daee5a1d8
SHA256b7470d8b5966bab725688833154818bbab8b68381d427cf5cf499c30912898c2
SHA512e230e29528823c272fbddad3da172a55204bdae138c1e58522dadc73f8a03a3cf6f48ead04bd7c2af128278e80067b6c91d204b44e67b3e247d817f25fee0a7a
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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
24KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB