Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
04/05/2024, 20:15
General
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Target
2024-05-04_be31d9b74f3a8069072de65c25af5a09_cryptolocker.exe
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Size
38KB
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MD5
be31d9b74f3a8069072de65c25af5a09
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SHA1
9e153b30cdf6499950ac2d071d4f049c49787a2d
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SHA256
d1743549423b83eea8561b39e178d4dde85f37340d57d164e8adabe391933d71
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SHA512
77f8de7763ea926fd38e49bc209066af2e2d5d707a387f9dbc43621f19a7789df08e7a0011ed3b50592643acd2559654857765f8a61200fe94636fc56303e7c8
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY8:qDdFJy3QMOtEvwDpjjWMl7Tx
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\2024-05-04_be31d9b74f3a8069072de65c25af5a09_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_be31d9b74f3a8069072de65c25af5a09_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
39KB
MD5c31467e9b71025306efcda7ac077b154
SHA16fceba3f46823f01f5e461fbfe922114e5e3815f
SHA256b0525cce069e6f22ce1dae95eafd9310e827f8eba9637d01c1a81af2e3a6c02a
SHA51211d4604357ca72ed064ec4f63f4515eae211c6dea6712a9cca792456717a7a1f2fb88530b35b4f0389529d85d9a94c4b20eb1c5e626ce163c5b920fe71e81029
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB