Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05/03/2024, 09:45
General
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Target
2024-03-05_f4cd4e42c8ac942386e069e0158816cf_cryptolocker.exe
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Size
89KB
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MD5
f4cd4e42c8ac942386e069e0158816cf
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SHA1
b9e22f00d4e24b3cf0681813c3ea7333781daf14
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SHA256
d5717cc14786469686ce6b6be43b047a62105dfe408b34a21b67fc08d1ca5d30
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SHA512
6d8a17c14f27e2245a5ac5b569bddf7f4b0dc374b0b1c5e4748b333aaba42088a34ae73cbb13ebf70c0030a4a40559e01595f24f077627bcb07923a815ab1ecc
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgd0f:AnBdOOtEvwDpj6zm
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-03-05_f4cd4e42c8ac942386e069e0158816cf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-05_f4cd4e42c8ac942386e069e0158816cf_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
89KB
MD524e2b3d530c1dd7bb80aba0b8ad6d5aa
SHA1c22b7d2a341e0e3289cf79c2fb61bacd82e0ca21
SHA25617c7766f6fc99eb34fc3c80142d7e119f0feb93294dbede2d72cb305b719729e
SHA512fd845c3f60e50fe721680b33585e0a1476d338ba9ce9dae95d5e825ce263647b67902914fab10fb1ffbca025b121772eba1ef9213ce1e8c3608d0126034ca11b
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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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
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Filesize
60KB
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Filesize
60KB