Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
20-02-2024 05:52
General
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Target
2024-02-20_709283b698b06fea239e0a5d4588a86f_cryptolocker.exe
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Size
97KB
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MD5
709283b698b06fea239e0a5d4588a86f
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SHA1
ce99d5bcc5b96f211ae59dcbce399ba21863b178
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SHA256
4fcc49318840e6048a80e052b553d49dc312d1e609626d8ee4c598977d0dbea7
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SHA512
ff2b64b8e852619923fbc09526305df4f081ced028f41224f6e8104fac562e445714a20666e1001bc4eba6950bb9ec103cb290714127d32fba63f9e62fe4b757
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKisD:z6a+CdOOtEvwDpjcgD
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\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\2024-02-20_709283b698b06fea239e0a5d4588a86f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_709283b698b06fea239e0a5d4588a86f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
98KB
MD552179f7b31b16665cef4e6d0fae76edb
SHA1e1365e33998999f5c43cc2ffdf999a626baff891
SHA256b7e7ae03aed5a0081aa4cfdbf60687b282a8ce8c0eb6ba438df660575b0a9263
SHA5128d8c507e94b4353e2a8178c5ebb6b056bd5b0f331b2e01b818a0b27307b0f5a143db8a46e0a4f66dd8e35fcf7058e7eac83e9cefdfa18f27f9bb594afbaf2055
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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
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB