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
29-01-2024 05:33
General
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Target
2024-01-29_5c2be3bfa862e46f6e4d21394445e711_cryptolocker.exe
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Size
80KB
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MD5
5c2be3bfa862e46f6e4d21394445e711
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SHA1
443716f92c9ffbd6b7fb20b9e8cc133805535944
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SHA256
bca4d01afa7f9199f07f8a910bc0531287afb7d821259df032ee5a6ea610dd88
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SHA512
606ef88d7ddb109a476331859f9cc5d84ef0572ef4545c7cc70d792a73981d702f813782ca5e05049a0ada5b333ba8afd0fededdb171dd67889fda311682dc0b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT77:T6a+rdOOtEvwDpjNn
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\2024-01-29_5c2be3bfa862e46f6e4d21394445e711_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-29_5c2be3bfa862e46f6e4d21394445e711_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
81KB
MD5f66e9cc3dbf022669a3d35b78bd189b7
SHA13fcfa9afb278f1a35559b4930b8ea0f28987acab
SHA2565b58944376066b57edc4bfa1e6bc60842b3998dd323beb35e9b3fbec2b7d2c02
SHA51228f732537f434ab0a7c1c02a1b5aaed7f7ec4001c41838251db38085d70093e29e0430780f79ac691ee0ce20a959b014f3f62df79ddc979cffa3e649292934ed
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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