Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
05/06/2024, 07:40
General
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Target
2024-06-05_e3044959b212d6954bb969399ebc8b77_cryptolocker.exe
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Size
55KB
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MD5
e3044959b212d6954bb969399ebc8b77
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SHA1
6e410a4307ac66bc5c9166a2f8ccf1c8b0ae94ec
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SHA256
bf170ecae71bfc584cd0134855c21804fe7ed018b433f5d2cc76a4f435b1114a
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SHA512
3744254d35e3c8318a34258e33a352597ed8b7650d77ddd148029603472f5550387d82b34397647276b3dceb9310a963127b3215c38996d6db837b1da816754e
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOka67:z6QFElP6n+gKmddpMOtEvwDpj31ikH7
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\2024-06-05_e3044959b212d6954bb969399ebc8b77_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_e3044959b212d6954bb969399ebc8b77_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
55KB
MD5c19aafaab1a88845d3c75eaa4094b98f
SHA14636775cad5ecd6fe5d1473a043d4f036b864336
SHA2560afd9f9ca4aed84a0bf60dc59f5e22a5250216af24c12a92afc0b77ec2c55471
SHA5120f353bfe14c9d4ebff6a47bb6a86cb8b92791d4943d4fc9770157790f6b84fdbb3c0f21e09bc3e74db23774e05c4f5791fe7bf19c1f2d411049db7bc1a820eaa
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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