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
05-04-2024 02:30
General
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Target
2024-04-05_229a96b392e83396ae359a918436179b_cryptolocker.exe
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Size
92KB
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MD5
229a96b392e83396ae359a918436179b
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SHA1
8a6aac0c3451f3f91b8dd3430318d47b9c779e95
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SHA256
1cff34991671713dd71af5feb47184943013710cee93833d7ddcabd56891a52e
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SHA512
067946a146db11e389cddc836d789b667e273f07ad5f66d96eab9f122f705b1666d51552daa544b71cac3ef5e84e2452cd7ffb5ad695b535b72aabc7e67c419b
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjhWt:zCsanOtEvwDpj9
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_229a96b392e83396ae359a918436179b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_229a96b392e83396ae359a918436179b_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
92KB
MD58f20ebaf3247dcd6d6775cba4747dbb8
SHA1098f142b2c3a917834de1bed22fe5267c89d4336
SHA2569e45c31b4f932bc034a0a308a583b852eba802b3681b7361c31e31eba5f43fb0
SHA5128f50bd86681729d8e52dd0101c882da8419fa14f06ef16136399c2d6b2ad04dd328aebbeb7de76f8c0aca8c5f7f95b8b68f3d65f3027c5ece25a6cc6027ed4d9
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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
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