Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
05/03/2024, 17:43
General
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Target
2024-03-05_baff34089f4b20e7f9ed22c746dd1dcd_cryptolocker.exe
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Size
118KB
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MD5
baff34089f4b20e7f9ed22c746dd1dcd
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SHA1
87ddeb37ea847e95c0981941f55f1f4556f6189b
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SHA256
2b9428729943f597655575c91aa7649bc66d568038c31c83d27d8c408f02e97e
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SHA512
a78af83ad1cd8673ba9dec18e8870c435a54173ccd59486bc24ed9492ca19d6c222bfd28886769845b3a665a952bc60edc5daa90ea8596ce6edf155d7db7849d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01rBE8:z6a+CdOOtEvwDpjcz1
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\2024-03-05_baff34089f4b20e7f9ed22c746dd1dcd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-05_baff34089f4b20e7f9ed22c746dd1dcd_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
118KB
MD56c0aa21062470924cb31f2f0f641f3be
SHA177340ecb795e264877649cdbe51eb4bd8ba2e289
SHA256fb0b742b4428504052ad3190e7f7b659ddb8252d7ff32a0ca771644d94d28b83
SHA512c8a4af9c5f050a552d76120514121bbfd0336ed9d1bb94f4e96090a054cdf7dea8f8cc9172d223f905b20ddf7af242dccfea22c8111f1a838a88fc527a6d51c5
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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
64KB