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Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
23/05/2024, 22:32
General
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Target
2024-05-23_9411346b2c125f5cce2521a180a78cf8_cryptolocker.exe
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Size
40KB
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MD5
9411346b2c125f5cce2521a180a78cf8
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SHA1
f1a527ff660a2f666c7bcb948f73800d9e998e42
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SHA256
614cdc88b72c234ea9990850cf438f8c10d1f9b6fb903ee88987d56972e272fa
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SHA512
e935fcddfdad6ab174148597b8b4b06685fd9dd5ccdb327e0090526b3bf5a10fdb1b5483b558e6fcf432d994a719af0d4ad75c9cbdb249634f2a895b8693e68a
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYljt:qDdFJy3QMOtEvwDpjjWMl7T6Z
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\2024-05-23_9411346b2c125f5cce2521a180a78cf8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_9411346b2c125f5cce2521a180a78cf8_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
40KB
MD501fffef0b42ec141b0c5e352301617d7
SHA1fcfe08f1567ef8fccc1c26aa85a71a327ec134a5
SHA256acd276f2e9d44fd664d859568e25b9990de2d66aa28d7fb41ff876b2974e953b
SHA5125f3eb1e4899ea03dd99432e0fcbb29508f80830c6844dcc388abf8d553edaa62570d6afe1bd56eaeca168a8b880a16aa76f5a01ec09357c0a71666fc2cf9d7b3
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Filesize
64KB
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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
24KB
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Filesize
64KB