Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
02/05/2024, 22:25
General
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Target
2024-05-02_5a74cfb41eb8d4c6fbff38b71f749330_cryptolocker.exe
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Size
38KB
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MD5
5a74cfb41eb8d4c6fbff38b71f749330
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SHA1
d7faf00c8dcc63a76d7e47ea8b1bb5bf835deb8d
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SHA256
915ae41034f630b647e744d4e57b18905e603550645d8128c94528833761eb40
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SHA512
d7084bd44f8be369f69e6790669e716e71da3ac144dc7b45f509e079e91c3a9c48f071428fc94e7c28a6ff6c97f50c224de3efeaa286760b0a1b702c614afa70
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYCO:qDdFJy3QMOtEvwDpjjWMl7TVO
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-02_5a74cfb41eb8d4c6fbff38b71f749330_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-02_5a74cfb41eb8d4c6fbff38b71f749330_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
38KB
MD5b0b78c65c124ca0f14f1ddf73f56324a
SHA11fee71e6f9ed188ed52bc3ae5bce778ced4af445
SHA256cbce4af7d40aa83de75cba82b3de3fa527d8e13a486f79eeaf63d646cc6a88d8
SHA5122cd6926b678d37fb07bfa2fe6bf7dfb7cea35daa941d9e6e031d63de1b2902339f82a48268dff5d579b7578adc15fbe1a2c9535ac3038775f6058b8ea4ba009d
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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