Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
04/05/2024, 19:56
General
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Target
2024-05-04_dfa1d080376934e083d3f3552225d828_cryptolocker.exe
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Size
80KB
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MD5
dfa1d080376934e083d3f3552225d828
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SHA1
f6a01d8b2c9acb4f8f62649b144da8d692e84255
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SHA256
bfb9d8d0681e195617afb4d6e51711516277a27cd61ad1a9b07912708a4cd621
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SHA512
a21a70f1fc4e9d19f2c809fd7b323e1845b37762a41d346418836c5201098a463b87a3bbaf29528a9b513c5847273a63f793734e3636da813b5f7f00ba759659
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdP:T6a+rdOOtEvwDpjNtJ
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\2024-05-04_dfa1d080376934e083d3f3552225d828_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_dfa1d080376934e083d3f3552225d828_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
81KB
MD565813f805f70e025accf35ccfc6e045f
SHA17042afb5468b45b24b39d11564991831d14bb3d1
SHA25673c50e9f9526047be7d534af70e36e177e95de445df2964c465f7714fe139202
SHA512448c82580404abde1088334a7987d45bbbf8f71e84eb915d6d448968530be83f7baaf75012aa4de9f6b02ed58fd810be9f5ae953c9737fdc5d69b8d78f5b2c55
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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