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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
25/04/2024, 10:51
General
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Target
2024-04-25_f6525db6b2e96d6a82bcec671dfa4cac_cryptolocker.exe
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Size
95KB
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MD5
f6525db6b2e96d6a82bcec671dfa4cac
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SHA1
751f5b13141889744fe39efe22917cf6f88838de
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SHA256
3c5a47566d482f673b40b2694d9e398d0ac8de5b47672817c095d7da723ced91
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SHA512
afc3d17660b04e6e86ea991d3e27850ae92eb787973c9bb5a2c6956b10a0baf6c791abd614ba05a8033a0735ba470250145c3054022b97ecd28f619639bfcad5
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpYIb:AnBdOOtEvwDpj6zA
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\2024-04-25_f6525db6b2e96d6a82bcec671dfa4cac_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-25_f6525db6b2e96d6a82bcec671dfa4cac_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
95KB
MD51e6f43b6171aebaeadb44e6108e67064
SHA1980ef6b56cccfab78b8bc63886f02d91b8dd307a
SHA2564a9a4046bb1f1389d39ce72b0c674a5b6fb14e231b743e01e8f94ead35f7cbee
SHA512787444310736e2c2d6ec189b4820d1a62678bd36519864703b94d682ecdc2a27689382aae85754e4b19f4709a396fadbd1407d651a14ba21d15f0a199826b9b5
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB