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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
19/04/2024, 04:11
General
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Target
2024-04-19_860c9bc7a9bd2d9f9d3bccae00c64ea0_cryptolocker.exe
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Size
99KB
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MD5
860c9bc7a9bd2d9f9d3bccae00c64ea0
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SHA1
ffc89d4b4e6f4c7330440f291b46f66da9215d59
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SHA256
14504a6244e43cf440be0433f129d1402a4b348b228f875655dd36ed9567136d
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SHA512
a3b92b62afd0bac5443e32ea33b8588c011cf9fe2f91dd07c55e89275a773f87e3e96755115d0b501e8c52a223c19000445a4c78c15c6d65129025b072f6d093
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiXv:z6a+CdOOtEvwDpjcb
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\2024-04-19_860c9bc7a9bd2d9f9d3bccae00c64ea0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-19_860c9bc7a9bd2d9f9d3bccae00c64ea0_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
99KB
MD5fa9cdef428984e4229593a9a72609a39
SHA1cad32add42cc7b26beca787a1f0fe69f3bef0ac7
SHA25622eb187f0a9b274b984ed7c2be8fadac3fbefce7913a71715207137855590dfa
SHA512fca59408997e76a411a86b75d187a8927a7bf65767461c7dcde433505cd62922944929acb79ae9baa6471d0d73e41df8f1dcbdef3ee10caa76272008f7d49361
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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