Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
19/04/2024, 08:28
General
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Target
2024-04-19_642800b04fea5f9b53b992a0cb49dddc_cryptolocker.exe
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Size
51KB
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MD5
642800b04fea5f9b53b992a0cb49dddc
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SHA1
8bca430e94fddb5b7307729fa63e50caeb6f35e4
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SHA256
a069fe513438407147e2438426b9ef30d4dae515e84e868129bd769e884895c9
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SHA512
863d0c50c26411f6a13079291710b5f7b71809d1702fcb43450533e3dc57852f4807e7cc237d3f742303ad12549dc60ee955c979c7d8f56feb1e103987080c93
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOC:z6QFElP6n+gKmddpMOtEvwDpj31iC
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\2024-04-19_642800b04fea5f9b53b992a0cb49dddc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-19_642800b04fea5f9b53b992a0cb49dddc_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
51KB
MD5643506564fb7837cd3d9114b0b628001
SHA162cac9c5aac21553027fd08f8e5fba94e94c4bc1
SHA25656c51201350237f245a055230f6bca9319275bb49d6c8ce63b9b4b4530d4df34
SHA512fb6fea13d28d074c0f4d14dbc87a990fd70bbe7f36ae0a62a076a03fc8280f20c54f3f75ec95e90da585043837870f1731021da1185a55691cf925f636d8ea9b
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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
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB