Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
14/05/2024, 05:24
General
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Target
2024-05-14_786b38e53d4972bf571cda145f6710c9_cryptolocker.exe
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Size
52KB
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MD5
786b38e53d4972bf571cda145f6710c9
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SHA1
f5e7589b6573692d199ce474b55fb55b1bea0cdf
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SHA256
6b80bf438c7628f41eae903784af8be108fd3b7adc36a2252245b5eff81b5ecf
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SHA512
b584b0c1f636918389c29cf955a476a9f6c72c7637375990830f4e6c5112daac1c6431521ef6ab7b63858199e28888e93c8ebfb5f908cc7db71060534c3d927a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOn1:z6QFElP6n+gKmddpMOtEvwDpj31i1
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\2024-05-14_786b38e53d4972bf571cda145f6710c9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_786b38e53d4972bf571cda145f6710c9_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
52KB
MD5ab5cf5c3031672b68b7a4e8ed2d79201
SHA1a89733bbcad159afda796561c63a27a7b0b8e21c
SHA2566b17aa0625fd3e2f8e1d60175ec095ea7cac9e17854eb33f0ab53aaaf2b5adaf
SHA512ec80d403f5c72f86b1c6692e95ba11d36c1eae5a9ffbfaa7c0deffd3993d2593e0354fd6a81ee1a3456f2b6b73eff401ec11e160c30a410de9ebc34cfec793a8
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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
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