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Analysis
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max time kernel
148s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
26/05/2024, 03:34
General
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Target
2024-05-26_44fde8a310323594034b5fc0019d478f_cryptolocker.exe
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Size
89KB
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MD5
44fde8a310323594034b5fc0019d478f
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SHA1
8b40bf18f56a09aed2f097fa7927d67dcb1e2b12
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SHA256
37ace6bdee16051e9ea2efb1354478cad1615a4ffbe344b156c96232b5c5ef1e
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SHA512
45de7cabf40c3e0f897c121a9ded9319a0ec0e5a140f956349d9e087df4c9266bb6bda492e63365b54cf1c494db98bcd40920f9ee6ccbd59551f020eb243c914
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAAZ:n6a+1SEOtEvwDpjYYvQd2PK
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\2024-05-26_44fde8a310323594034b5fc0019d478f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_44fde8a310323594034b5fc0019d478f_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
89KB
MD538fe73d4ae6cedd4a87224afea8dfa63
SHA1afdbbb30e2c5f7bb578d39e8f3d76c7fbddfc9f0
SHA25603bcf4337fed1769a8067353c93c92eb8a07ba22ee4d5226ced139b47d2b946c
SHA5123c747e0f5bc16f9c1e256648e54ca5ab9d37ed92ecad4e1824110cfe2dee6691bbc3797b808a8509c798078ef01be5d8657ab1e0fe1ff975a8a2df2be91b19cf
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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