Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
13/03/2024, 08:37
General
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Target
2024-03-13_8e120f4431a4a5abd003815f78efd521_cryptolocker.exe
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Size
100KB
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MD5
8e120f4431a4a5abd003815f78efd521
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SHA1
7c419de5e2656d789ee9ae5b0d981cd67ad9682a
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SHA256
8288147a339b64d93bc0eee11b9c109f6a72a2e2e1e432de592c7c85e552934f
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SHA512
806a467f3a50ca713c92f7fce73b967811468027d9a82303a4d198ece95dc73c327e3741efd8627783a0918483fec15f3894c211c3d2db1fa7ccc3a948296eb9
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPeBO:AnBdOOtEvwDpj6z9
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\2024-03-13_8e120f4431a4a5abd003815f78efd521_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-13_8e120f4431a4a5abd003815f78efd521_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
100KB
MD586fd6dcd9725923795fffb2964e1c798
SHA19025a2a33423f79abb489dac5613525445b7fbc9
SHA2566d76f96e930e25fbc9e79ceb7e8320323b3dfbf8c4b77fee03b480bd3f22fcae
SHA512fcd3307fb53a81edf20dbb234fe7bde894e57a0c22c4c22c287aaff0d1b4763ee1d8fca7541f16d0ec6a45c8cc5da2207bc5ee29e072271d24838535c054c2ab
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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
24KB
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Filesize
60KB