Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
05/04/2024, 08:01
General
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Target
2024-04-05_17eabdab36e46f52c5123c364df687d1_cryptolocker.exe
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Size
31KB
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MD5
17eabdab36e46f52c5123c364df687d1
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SHA1
04432d416790c5748a16d1cc36f01b8b7c61afc8
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SHA256
d84a94ec4708684af1f66b32f498748b9b1ee100f52e4200cbd6ff29b3eb606a
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SHA512
4b608a65163d03ee2976282ef208c6d2e598d7171068f975ef456050e344d57a6c498977f97e77925e109e8a4ec82cb12119e20decc9dab0706970cf07997edd
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIO/xOcsTB:q0zizzOSxMOtEvwDpj/arMHTB
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 2 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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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\2024-04-05_17eabdab36e46f52c5123c364df687d1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_17eabdab36e46f52c5123c364df687d1_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
31KB
MD5b015198f9b88c1d83ae49a4c1afb9ad4
SHA1477db4bbaafc0e41bc8abdcacd50560201f903c1
SHA256b65a7a13666f797621147cd4e8c78de57a3086cf70ef909c2f4c9ff61b287bd0
SHA512bb7083186a4caab56f0a2b7cd0103a75bde29c75498d429ce3445ecfd2e1bc8be4aa3185cdde71337f5d354f90253724540531f1634660107a55600bb42f2e8a
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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