Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
07/06/2024, 21:23
General
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Target
2024-06-07_418cfca1e7c0f889fc858e29ef8abb6c_cryptolocker.exe
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Size
41KB
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MD5
418cfca1e7c0f889fc858e29ef8abb6c
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SHA1
2f8874234a9e869f5b96d4d8821250facf6a00f3
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SHA256
0a9b8a309257643c065a7fbe4df725b0318f533f29282bc0c4d6e200ed158e8e
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SHA512
0eb379e416f421437bac95fd45a4413f6ec90966206d2d0761066e62d402e208e940cfa75f27b57acfbe5430e3ea127a6f9c64f3a5b218eab004bb025c6909de
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaBc4SA:qDdFJy3QMOtEvwDpjjWMl7TdsA
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\2024-06-07_418cfca1e7c0f889fc858e29ef8abb6c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_418cfca1e7c0f889fc858e29ef8abb6c_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
41KB
MD539cabafbbc76b7578fff2545d439a4df
SHA1c983fe3b5fed4c96fb2d70328ca80d88fa766f6a
SHA256bbce3a98fd8961ca2bd3ac1eb0df51226926bf93772cef9e69c15e71a80eee99
SHA51247ecdec671c4e72d3ed6bc7746b91b5d6f5308eb91cd313be2ee4306ee18c6a924f9a69f4f3a0851d61671f69bdc784321548b7f2783894126068dce68caeb7f
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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