Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
20/04/2024, 12:46
General
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Target
2024-04-20_76a2397e4c2f85866067c54d2f04d73d_cryptolocker.exe
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Size
37KB
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MD5
76a2397e4c2f85866067c54d2f04d73d
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SHA1
4eb9debec39ad4d8b9add344b20f6cc4c377db6d
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SHA256
e28749c72b25dbe52d76a62a6949a8509e3c592f7a93973749997a26c55d5d61
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SHA512
0c4a18d2e804273f1475ea36ca77dae9da3f472c1c3595374e1fc5797d98d4814641594cb7720232db07cb6107a222bf4f87f270a10c1758ed7d94a7b78c7901
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9K:qDdFJy3QMOtEvwDpjjWMl7Tx
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 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\2024-04-20_76a2397e4c2f85866067c54d2f04d73d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_76a2397e4c2f85866067c54d2f04d73d_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
MD5c405b0c6e60375784201ecb40847eb30
SHA1320fb20b95683bb5d205d11b4a17a8b820ebf120
SHA256329cb1f775b89838b4a1ce7e23629ed1f70f07476083fcfab19eb10b10b85f9d
SHA512738e5e4e0bd736ac8c499aec16f69cace669cdcc5ff9f5c324f3444c0fa8ca3f17029c5cc6becc614176393967d6627b3adf117f84a737a4b53d4ed6a168c03d
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
64KB