Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
21-05-2024 04:58
General
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Target
2024-05-21_72905fe082b2a9a7a862e4e65fe42148_cryptolocker.exe
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Size
94KB
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MD5
72905fe082b2a9a7a862e4e65fe42148
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SHA1
025108a28f4a661e23384c5487300e86f3bea5f8
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SHA256
3e730cfb3becfacd97d4782015b5a4021c66824d1db667d6a6b01b8caa1c5f8b
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SHA512
2239a23a56f44e1a62c7d3788e6b953d96da9c7ede123d2141656e031305699e95545a5ccb40541d651df1dc30d6ce4d8c525a5a31d8134f8e5635f091f85e1f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/kW:zCsanOtEvwDpjBx
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-05-21_72905fe082b2a9a7a862e4e65fe42148_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_72905fe082b2a9a7a862e4e65fe42148_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
95KB
MD531d8e871ddae8fd3d7b0fadea49b0390
SHA11f825b33a12c39276669590fe05f8262aeeedcf5
SHA256014da96e1bb2185a20cf5e4035cb79425f5cb82aa76fe5109ee538684f339482
SHA512656351907fe0e3158bd5df9510d367aee1f066a697153435566f81452c7efd137ad31745ea54535d76c35b25bfb59a46a62b92b5292f77674596b688ff9c19c2
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB