Analysis
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max time kernel
133s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
21/02/2024, 01:24
General
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Target
2024-02-21_85bcdf912db8c4c384adda4b68eae99c_cryptolocker.exe
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Size
105KB
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MD5
85bcdf912db8c4c384adda4b68eae99c
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SHA1
0404a020ad0010fd5381d36daaa539c39be298c3
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SHA256
c70376e26d13b98e0f408301d6568dd245506e1e3ed5e0fad800f613b78d0189
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SHA512
6de2e9077c821cfcc9390398cf970517e75ba0732a95952f6f421a729d056b82975c5691badc492a353131f0b5a44ee68505115ad836982d517fe98e3627d144
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6Gks0a:1nK6a+qdOOtEvwDpj3
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\2024-02-21_85bcdf912db8c4c384adda4b68eae99c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_85bcdf912db8c4c384adda4b68eae99c_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
105KB
MD5f117d5d4b4cbf89f268fa22a2e949b9f
SHA12e49f339e56e071715ab40ece693cec6a8635a84
SHA25663fddb95a89a33941e8e55579f89b394120b337db571a478c6755734b85105aa
SHA512d44c0ccf88d41b6e891cb67810d316a2d38d3f1b6229b618d1f99b9f5107428d502682b834175342f2088321274897a2be54516eb07405708b96ca936d9df102
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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
64KB
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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
60KB