Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
27-05-2024 18:39
General
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Target
2024-05-27_b9fdd0d71cf78b07753983a73414a69c_cryptolocker.exe
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Size
38KB
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MD5
b9fdd0d71cf78b07753983a73414a69c
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SHA1
d86a8cf628b112386e757e24942b112bed4ba59e
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SHA256
ffbd3927c69dac346d0b779cfe7eeebaa73cebd5a2b68b2819f91c0f0703c1e0
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SHA512
2c69ff13d1ab2932480b80d1edc897e70d1a945252a0218ecf4437e017a84f77f36f39a2f6f9d80eb14c90b379093ff4786721e857d6cb5ee9cb61bf2b7aea64
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SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRd:qTJu9cvMOtEvwDpjppVXzRd
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-27_b9fdd0d71cf78b07753983a73414a69c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_b9fdd0d71cf78b07753983a73414a69c_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
MD56516c7fb9325af207f5b3c01522d1b5b
SHA194301b13cf689bc26f032fd36fbe7d232e5995b6
SHA25639f2efe85f138e0b0eeae92d41f3852f533fdacf6906eb8cb681ab5c9bb37085
SHA512ac19d41e09a2d3029698eee2bb6e56d1bf59de2143013ed7f20b35e8e7f0ea0cbc7617f5818a9facdac428c60a4b50842bba5c4d18d21382d7106ddf8f942688
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Filesize
60KB
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Filesize
24KB
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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