Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
08-04-2024 22:41
General
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Target
2024-04-08_73eb70cc44e531f41551823df0e507ec_cryptolocker.exe
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Size
72KB
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MD5
73eb70cc44e531f41551823df0e507ec
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SHA1
29998c7e6cb98a0ecf76681d1b7708267798a9dc
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SHA256
310f14dbae045f30ce8e754f83b312ee45159a5edf12584e7ab60e475acf245f
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SHA512
d9491aa60aa28ccbcfd8f47d427d86f44603e4cad64e2c7c703f3d13f9cfdbdf46b61b9214c07b75fbc46c5439f0fd71f4f9e865312c292975e64b7818b7590a
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBU:z6a+CdOOtEvwDpjQi
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\2024-04-08_73eb70cc44e531f41551823df0e507ec_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-08_73eb70cc44e531f41551823df0e507ec_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
72KB
MD55dd394dd7e6330f6b17048d5004b8477
SHA1df79645cf9f84b1177b562f428b9d38fc34e8bf9
SHA2562ce4c03051ccf0bfc74abfba1e22086a0404f355bd3f0d2bf14267f8844c027f
SHA51211342e3a270c99a4c90699ca74844a6865011fd230bf76d0c0f4c635fa32e098278589883e6efd5cf2bae8e1631323aa1402e1157e9d7db46ebf201c75f3d76a
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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
24KB
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Filesize
24KB
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Filesize
64KB