Analysis
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max time kernel
140s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
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submitted
09/06/2024, 18:47
General
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Target
2024-06-09_941d2ac0890dfc8ddc59517cd07bf874_cryptolocker.exe
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Size
40KB
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MD5
941d2ac0890dfc8ddc59517cd07bf874
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SHA1
4fd95ef5d17fec96732a2207e57c477abfcc684e
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SHA256
e3cc6b80d23614cfe3237f3342309c19b22e5f8df812b2fd1ee0cd5e3d273a4a
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SHA512
a681845b07f9b586139d2fcb063241e7431022a2841cba35fde015c85c2e76ea019b773c2428dc588d9a7961c0ec318eaf9d2559eaae1664fbd9de67d133b490
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYljn0:qDdFJy3QMOtEvwDpjjWMl7T6j0
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-06-09_941d2ac0890dfc8ddc59517cd07bf874_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_941d2ac0890dfc8ddc59517cd07bf874_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
40KB
MD5a7f8210c5c0ebb690c4a4a2239b0d80d
SHA175f3f6e0567d9f6042c6d8d02f154ad0935b5eb5
SHA256105a7035e7658d4c2a8e96bdaf7421a78e563d0bbc20ce007cd4beb104bf6b18
SHA512350c98d215e78134fb0ef56a0c4d2972e34224aa4599fd6ad74beb91a8bb11b119a31bebae2d2003f9da9c89f0f21fc6377ecd39eb87bc0146224b97041e78c1
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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