Analysis
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max time kernel
142s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
29/01/2024, 03:44
General
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Target
2024-01-29_fb47964f0579055318fdeb8b84e44158_cryptolocker.exe
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Size
60KB
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MD5
fb47964f0579055318fdeb8b84e44158
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SHA1
1d730c26bcdbce5ca3518b1f05773ff29bca3998
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SHA256
a2da0f9e5ba38f974c95ffa643e58cdcbbdbc2a6b88ff9fd6fd4cc39f0ddb801
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SHA512
8c8974402bec23321d652a67d695a1b373da24ced93733889e17637dae9cb0f098c9814019acba5af89b447b86f1b6546dbc7f714a2a52657c58b5b4ff084a27
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLUg:zj+soPSMOtEvwDpj4kpmeLmn
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 IoCs
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Checks computer location settings 2 TTPs 2 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 4 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\2024-01-29_fb47964f0579055318fdeb8b84e44158_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-29_fb47964f0579055318fdeb8b84e44158_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- 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
MD53255e8b2b83daeec99882e80e64ea676
SHA1c083ae07c56d705554357d85f9cb9697d19f7321
SHA25622ff847b48d7b0bd746f0c6d78ab4ca31e33bbb3bc79d087813a98333b23fcaf
SHA512ed9cc47ae6164c92008649360aff4d9c866a0c27ccd2b2a890b105ecba9e8cb2d078c08fc3c2e6a015086365d988eb9176528fa9bb9d6b7c896e67dda1e6c9ae
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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