Analysis
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max time kernel
0s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
13-02-2024 04:34
General
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Target
2024-02-13_4d5353650a035c33b590e05d6e50204f_cryptolocker.exe
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Size
116KB
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MD5
4d5353650a035c33b590e05d6e50204f
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SHA1
24202b5b682fa49b1d89f271254492876eb456ff
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SHA256
e41236049746d1ffacc675502d41534002368a1517f31ea96c9d37f52d2dac6c
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SHA512
a89c275164b11b14ae0d932a46b43020417de2548de39687e36157fa77491c39a1cd4f81d3461fd7938afe40c583a8fdca26d10df5a43dafc75f725d920a2b4b
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01pc:z6a+CdOOtEvwDpjczw
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\2024-02-13_4d5353650a035c33b590e05d6e50204f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_4d5353650a035c33b590e05d6e50204f_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
117KB
MD525870d69186963138020a1d282cc067d
SHA1a8bd886a8b1cebd876056c2337ee03837cefc463
SHA256b1cc93f9f9030954ba4a641351087864a15de9198b7b6573074cab3d618332a0
SHA512c75e9dfa70d7703ebb5e1d78698ca69fe07036769fb117bc4824eac63298c758824649040dfb5ce854cc47726163b2c975eb8a9a6c982642cab7af7650a48114
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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
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Filesize
64KB