Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
02/06/2024, 03:39
General
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Target
2024-06-02_67ac76f920b7c96cb1d1d10b35f3f38d_cryptolocker.exe
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Size
60KB
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MD5
67ac76f920b7c96cb1d1d10b35f3f38d
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SHA1
406941488cbbebe7169512e472a0faa181e61161
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SHA256
5734b957d25486e646c811518ad0a6b42d00e141137a3e167bc1b9ec77b5f9b6
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SHA512
70068946e247e320673c3512b1ad897bd1dc5f2967f95217b3ab257938a6fdd5219d59c8ee345f46df23b6d5ca492a0c2f3bbfda9ddf3f9303fb97860b44e78a
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPB38:H6QFElP6n+gou9cvMOtEvwDpjCpVXYM
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-02_67ac76f920b7c96cb1d1d10b35f3f38d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_67ac76f920b7c96cb1d1d10b35f3f38d_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
60KB
MD5f1933e33250abf1e17afb75b9c660690
SHA15a057dbf5f5e1daf79ba09b9cdd22dfbc366029c
SHA256ed1ff75aa490965a983a965ea054342c5a523d040593630f618fa011abe6a390
SHA5121a1edecf53b404ec32f0cd965eba2b9a6f43eba8136b3f28a7be5996780eea66b9444884d6e7b950f81515c131b752e64186eb81d8e24e6d2c60e0ccfea492df
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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