Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
25-01-2024 17:28
General
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Target
2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker.exe
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Size
115KB
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MD5
59796b548d643ef5532ecd1138966f74
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SHA1
bdb3d3c1c43109a53627514b73b15b585008d1a6
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SHA256
ac1e4a9ba6ee34f32645634e2f85aa362a95c522526ec64bca2bb1b7d8a750a2
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SHA512
b2630cc6025e1fdcc67e1698aff334184a209e3c13470fb08f9220d1999f1e50da6f3ff250b47aec7dc512107fcbe07e0a3b6ec8caeb95ddbc990c1a7a3c3f82
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01f:z6a+CdOOtEvwDpjczN
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\2024-01-25_59796b548d643ef5532ecd1138966f74_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_59796b548d643ef5532ecd1138966f74_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
115KB
MD59685c6b3c0d52e023521f4f42776c0f5
SHA19192a25a6b2f326850743a46475a72dad3f0d6c3
SHA256e806ff77d92cffdd4871f261a006d6aa4f3e69cfb3b794333e22ec8104d60d2e
SHA512e7657f18cf763e6be2b5e6985de253c028e0b7470b21c7f91054c8917b9bafe7457adcf9c32fb72ddb85f5e4ec1c9eebb7e46fb01e66a2f2b5b7677d13a51fe1
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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