Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
05-03-2024 07:52
General
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Target
2024-03-05_afcbb774300595d998b0f0e692aa9953_cryptolocker.exe
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Size
71KB
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MD5
afcbb774300595d998b0f0e692aa9953
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SHA1
58913a7d007652ae075269fe1ba7d65be2e49428
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SHA256
e0c0c7103dc3170ec277ac25d031ac28e5955f56016b5eecb283a2ba1e3b03dc
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SHA512
5d1ce435e5e567eff7d4e9bc3c1c78de7c04c656e42808162ca02e77b2358bcf334aef1f384e2ab3d797a81496a0661945b30c2843de63a2fb27b2a74ecd63f4
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal3SJ:1nK6a+qdOOtEvwDpj8g
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_afcbb774300595d998b0f0e692aa9953_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-05_afcbb774300595d998b0f0e692aa9953_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
71KB
MD5768d147487331cb47d0ebff07e5bb00c
SHA187e0042a30e26cf2dc1f790444128aae58f26941
SHA2569a1846d902e6e0d2c33b6d038cae1d7250be5ec9def8fd9e2c7486e91f045904
SHA5125007cf870880f5b6017555da7ba8eae9f4f575db46386b05f197e37fb0a159b9894d006779f491893817390ce01ad48c43b6ecb03b3667bdaffa13eef6e5d029
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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
64KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB