Analysis
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max time kernel
150s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/04/2024, 21:41
General
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Target
2024-04-05_c544a7487a635845bb2ac6eaa019fda4_cryptolocker.exe
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Size
63KB
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MD5
c544a7487a635845bb2ac6eaa019fda4
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SHA1
0f774f995ad654fb67ba1fb66c88e5044ccc7a36
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SHA256
ab7b8867abac0a6902d057d936e96ae197cb762fa2e243a2998b85c27f7784a9
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SHA512
01006e4d2cfa886936909472aebf203d165ecf8246adc86c84f084a024b3cb89bb2a51c1d3c99c3e20b7c4e85daadac92cb610437dd476edc7536077c631459a
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVzCBR4:zj+soPSMOtEvwDpj4kpmeLmnZ5
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\2024-04-05_c544a7487a635845bb2ac6eaa019fda4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_c544a7487a635845bb2ac6eaa019fda4_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
64KB
MD57b7a9b9d2bb85d5a5aca4b98cd0038c1
SHA1c96a836f52efd41e8dc0cedd6b3d567bbc0e39b8
SHA256d6abcd63632d05e561257d43aa7742d4e027a8d22bb8b103e7827a55c2ccb6de
SHA5125d41b78e211291726fd3ea5264e7c41b014d856cbda6cf4f7d2e1d625b2837c26d098b6661d348cb4ae7f6171d91e7122a390a5fac7fac9ff030d2000d4fc0aa
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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
24KB
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Filesize
64KB
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Filesize
64KB