Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
27-04-2024 23:38
General
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Target
2024-04-27_dfd7be1005e8fdbfaf6917a96fb04b97_cryptolocker.exe
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Size
36KB
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MD5
dfd7be1005e8fdbfaf6917a96fb04b97
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SHA1
f2b8fc9ba91779f4b17c7496d3b8a6c997a3183a
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SHA256
523a84c2881badab42901b43a23bfd37c70c95fb0eecba3362691cad74a2e920
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SHA512
8cef59bd4acad1f8029b9f07bb9b005eba1f2aec0d0f2433073c707e2282eb6c1b69e4380f4f17c472a4b961a40115af8107731ba92b3bce00e3885eb230f5eb
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5ax+N6:qUmnpomddpMOtEvwDpjjaYaR
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\2024-04-27_dfd7be1005e8fdbfaf6917a96fb04b97_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-27_dfd7be1005e8fdbfaf6917a96fb04b97_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
36KB
MD5fa2039b562ae6bd7661b3f13b58d6254
SHA14d95ec7422842be6fd0697d09fcc8508827243bb
SHA2567c9cbafba2efb4d85714337a065b4d23c72f5cdf94369659c4c56ee4897453b4
SHA512fcd318ebf56f04c711d711cede4fd0b1e9cc82a2640519a98cf7427e6fd94ae5735c0e1d0445c1d2627c7a9760771015d2a6c68e661fabd78c13b73d8a65ff85
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Filesize
60KB
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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
24KB
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Filesize
60KB