Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
06-04-2024 09:49
General
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Target
2024-04-06_aab7618a10e512d224036d533ed79a39_cryptolocker.exe
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Size
69KB
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MD5
aab7618a10e512d224036d533ed79a39
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SHA1
36a480b7c35964b72803bb9546efbc5fb663fc3f
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SHA256
4e6362e6feded696daa7ef36c2ab2d2b2f48a6f92cfa55195ae7bf269860c134
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SHA512
2b64b28415fec16197c594d7826e2eba31673b3c37ad7dc0d0f1626e9eb03f5a99e64b2d82650bd6560d8990d366ff863556db4adc3f74f75ec73bfcad1cf913
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SSDEEP
1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs92:C4Q2c94OtEvwDpj4H8zT
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 4 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\2024-04-06_aab7618a10e512d224036d533ed79a39_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-06_aab7618a10e512d224036d533ed79a39_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
69KB
MD58b814fcdad6a0aa087667d86571fd0f1
SHA1037553fba07ac1a81cf2f4e789d3dd852256f6f9
SHA256e5412b3f5ee770dcdf51aa97f63b6d19d07bc89b40f9f88a42505993e8706ba9
SHA512516a6af656e7575c0692dc4d606ec15f724b2727c2b4e31967e2a3786796656d7f48b722600436ec70789211189205af8f40087a13a63b3cd8201c51880e6349
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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