Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
13/02/2024, 14:54
General
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Target
2024-02-13_dfc68a4422144377f4a7e8dab62aef32_cryptolocker.exe
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Size
80KB
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MD5
dfc68a4422144377f4a7e8dab62aef32
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SHA1
e52f5fcd63471fd930d5999cc62505fb17dd8b69
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SHA256
efa9a28bda455561043ccddca4fe61d76b4f2dc14d2e2cae7ef96957b8df7d57
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SHA512
f467998cae25617f6f440182d29dc7fd29e47f29f686ff3772ea5b84ae37dbbd0968bd723c4af9ae86655d823a761b92f4e17873a15fc5143140f0df1917b734
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBd0nJ:T6a+rdOOtEvwDpjNtK
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 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\2024-02-13_dfc68a4422144377f4a7e8dab62aef32_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_dfc68a4422144377f4a7e8dab62aef32_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
80KB
MD541a177f8c44a7f18855c9e12482d5a0e
SHA1be4ac75d4ed311ae55d03acdf79bb6cbbfc417b8
SHA2565ad4b079bbc3c87380971bb6281b8c302ab527332e197db7c4ebb6cbbb893090
SHA51294bfe8cb4ad073886878fc59d717229750da367b599564dd71ae85a731728ad69936e5c422247a509b06cadce5c967c750bb5415da5b973fc3c82bc1c9234dc8
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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
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