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
31-05-2024 16:10
General
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Target
2024-05-31_f8a61ca73efcc027a47ece6fc816af52_cryptolocker.exe
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Size
91KB
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MD5
f8a61ca73efcc027a47ece6fc816af52
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SHA1
5d533a2fd0b84d6100ce9ef7abbd46c99bb06fba
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SHA256
f3a0805b97e2d9d7573cc69e8fa1f9add1efcb4bf56e8fe7fe9d23e01c8f097d
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SHA512
3f7b5b1960f028a61e3c43706cdc747940b473ecdddfcfa70cd93655fdd0497861dac4779dfdceedc517d1e996e9eb23e6d76f4a9c9aa0b26d9d3f48221b3e96
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/L:n6a+1SEOtEvwDpjYYvQd2Pc
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-31_f8a61ca73efcc027a47ece6fc816af52_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-31_f8a61ca73efcc027a47ece6fc816af52_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
91KB
MD59672e6543fbc1e608cb05d201669ef19
SHA1aabcfc99e17620daa838dcd2390aa90311440af0
SHA256a57851d028a6c49140e2d621643dc4b4044a664619c4dbe9221b663b48897c2d
SHA5121906ebaa4619b785aa85fbccd411e159a8b19250c12607cc739d5875dce47504a6910bbea91106c066f612fb503753fa780ad0ee4fae0a842695d76fb444bfc5
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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