Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
09-04-2024 04:10
General
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Target
2024-04-09_a393a53f0747ddbe9b23f82b74eb40bd_cryptolocker.exe
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Size
72KB
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MD5
a393a53f0747ddbe9b23f82b74eb40bd
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SHA1
872bfa1b0e6347694516dba30c7c086323ee3071
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SHA256
51edb9ef6a2469eee2a44f4aad8637412b063b9c4ac400d7f144e7d4fe5ca6c3
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SHA512
4b92eb1944401ec4d983b04c6aa7ddd0377d63cac455b2f4891382533902fea7cda707ddc758f16156d62dfca619920d692082b5edd707b109e6990409c74426
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB8:z6a+CdOOtEvwDpjQq
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\2024-04-09_a393a53f0747ddbe9b23f82b74eb40bd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-09_a393a53f0747ddbe9b23f82b74eb40bd_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
72KB
MD5cac700677f56997d1ad31511ea8631a7
SHA1261b802c8c51667630e3dec23710ae275b4889f7
SHA256158c61d4c3436bee63ecda879d8dc513e9a5b2c79225ba338e54bfb7b9ebfed4
SHA512b82f9859fee1996126a7c7b35f12a5aa746495e36d79cc0e017fe24bb56a1b9dc2229046ca1c3987c94c3eb01eaa5172f22e5c1d8b6ca0058ba81dd5a739a5a2
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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
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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