Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
28/01/2024, 04:46
General
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Target
2024-01-28_bfdf2d4ffd091e2f771d75c2543ae313_cryptolocker.exe
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Size
84KB
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MD5
bfdf2d4ffd091e2f771d75c2543ae313
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SHA1
9760f0035bf24ea2a6f3f242546e45383bb02ce8
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SHA256
6bc1bf2eabf00227e439975289fb7ea2654cd8472613be04f4732080192c6bf9
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SHA512
79ea1462e66d50038bd7dce7575bea266772e800bcc0fdcc29b1aaa25d96ea9920983daedbc269ca06301a3d4637c5392cfcd5e7ed7f32234f091e603f48ef73
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIS:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgB
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\2024-01-28_bfdf2d4ffd091e2f771d75c2543ae313_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_bfdf2d4ffd091e2f771d75c2543ae313_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
84KB
MD549d82e33ef9f63534c908131dc48f715
SHA1cafca8b115e6a8b2e846789cacf6aa86e1520e8f
SHA256dbe0f2943c457d1610cb96de1a1ee6590170a482cb8bb1e5a13b43fc835d40ff
SHA512d93062dbe648f34496f7031e347ae659353eaf16f33e4d1ab6b8e5c341b50bd66b2366d1ed35577f2d0da8d50847ef0af085d2bef7d0b45981200a63b8ca8cdf
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB