Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
03/02/2024, 07:26
General
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Target
2024-02-03_339ffb0989555993a15f14ba2135cfe6_cryptolocker.exe
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Size
116KB
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MD5
339ffb0989555993a15f14ba2135cfe6
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SHA1
5ac8de308ff580e29b6588b98ad93a7e7bdb2788
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SHA256
bd68249b776fdc8c3dafcbf0adf5137d93ad779b4519b51f1fb6de419a5774eb
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SHA512
e687e5833a0c7f3095adcc8c61d90f796cfa98c0abfe499013fce444017d7f942d288e884871cf6c136eed8b546eb2d7ff2f297fd9b8679a61e5c7f7671a6091
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01T:z6a+CdOOtEvwDpjczh
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\2024-02-03_339ffb0989555993a15f14ba2135cfe6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-03_339ffb0989555993a15f14ba2135cfe6_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
116KB
MD552c4b6af2bab722fce537f7ba85c04cd
SHA17edde55eb124f455e0f837ae8cbdbf972ce2b271
SHA2561812afc79fb349cdca09133e2e96cf0ed5e0ed82191aa4bb4302578546553fc3
SHA5121a33e7f90e211b95912a7d1e5567d963d1b5c1de72c88150ce1526cc1f7193afb5bc67729e55d0ef1ec3d54902695148e48998ef27fd292d7deec7a9ee4a63fd
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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
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