Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
05/06/2024, 16:16
General
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Target
2024-06-05_b2148a30963eff87319a342e952fa33c_cryptolocker.exe
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Size
61KB
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MD5
b2148a30963eff87319a342e952fa33c
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SHA1
a1381bcb0fe5686949c6b4aa8e3adba34a569dc6
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SHA256
0cdef8b2de8ae410c93ed3d8d684dc526a95a9d7a18227c26d71fc143161b23e
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SHA512
2e8757fcf1e57d2fe6d411565999adb9337dd96eb0c2a0cd37af172b20cfaf4952b19251414f6899c20ef2d8ac79ff32184ffbf74d3b5d55844e2b987238318c
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pUz:H6QFElP6n+gou9cvMOtEvwDpjCpVXS
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\2024-06-05_b2148a30963eff87319a342e952fa33c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_b2148a30963eff87319a342e952fa33c_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
61KB
MD5214d11427fe9d0c786efbb91b860b661
SHA185466d153afbbe3de15abcbe50246a385229ddf1
SHA256c1e1efae2b3d0c8932716fd7717e2be1ad9e2725498bf3754d2a62755d61c630
SHA5129b06984c311c07281144ed54c94994067e8e37e350b7bfb3fc745f6dfb7b5eea39f93adaaa406da1f9a31267209edffd119bc37b9a46d48a992cdd5c7fb4e20b
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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