Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
01/05/2024, 07:45
General
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Target
2024-05-01_3a04b8949cec926ab7986713bd1bca69_cryptolocker.exe
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Size
38KB
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MD5
3a04b8949cec926ab7986713bd1bca69
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SHA1
10217ba6ba8140dcf11cd39742ea2dffd4828e55
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SHA256
42d16b9ac2a02f7f552fd5fdaa88179d7833ead9b9c50e1e3c9265ad91a6630d
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SHA512
a3576dc742bbdcfb1a1443930c1257f4c4316e47a95f67352a7849afe865510549a22e3192e25ce76e1d0aee18d5b807d6ce68bc2baea007b4c27f93730bc736
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9V:qDdFJy3QMOtEvwDpjjWMl7T2
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\2024-05-01_3a04b8949cec926ab7986713bd1bca69_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-01_3a04b8949cec926ab7986713bd1bca69_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
38KB
MD50bd6196493551b0c38b9925476586803
SHA14f741c3b005a2cc61670a2c2466e8157959498b1
SHA256700aeab19a441adb30328f136c01b52188a3609d66ead1dee4ade5da2fcdf4a1
SHA512e3ed5515527b231bf72b201c38d7cc699ce6d0fe7117ef005fdc40f6abd8b871557f853a4e0f03fee63ea6f03951ab27ae213c3054d3bf08a143cdeba0af8ec9
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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
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB