Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
20/04/2024, 20:30
General
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Target
2024-04-20_8fd8a6cd1b3abef7654d3d1377d5d412_cryptolocker.exe
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Size
38KB
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MD5
8fd8a6cd1b3abef7654d3d1377d5d412
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SHA1
49553d2228a7b39e34e852d2f5842190d5b89cf6
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SHA256
f81e439f20d35efde47eb0bf651179cb54ed5162e0169126c460403183e7bafb
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SHA512
0552eb6fd928619f37931bfff8685c324718e622446b437f76b515e1b0eea2c27d17e287f2ceb5fbf94a466daa9b5d79f24de6d61bc5854e455303c9765a3713
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYP:qDdFJy3QMOtEvwDpjjWMl7Tm
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 5 IoCs
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UPX dump on OEP (original entry point) 6 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_8fd8a6cd1b3abef7654d3d1377d5d412_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_8fd8a6cd1b3abef7654d3d1377d5d412_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
MD568be105a9f87cf0eb8948c0ae497809b
SHA18e3031fbb8f4506158f29c63a95155d140067206
SHA256151c8902b9a4f1a5555daacd837b9ac833b7a94faa6d280ba6a13931d756c9a6
SHA512184e37d07d25bcf09f99683cfde62f93a2ab480e5dcca288f8295ea96b35b260e4833d4f363266c472fe5e712636f65c93a933491c63e469617cd9e546bd99d1
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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
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB