Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
20/04/2024, 03:46
General
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Target
2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_cryptolocker.exe
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Size
88KB
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MD5
73bd04a1ab2bb6be6e5cc22334e0403e
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SHA1
d04af3356470d691ec41deb98b3259da9e33aed8
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SHA256
341b9ea0ed83d3abc6e75692e692840ee81a50f71be00702d5fc5ac7dbf5a08e
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SHA512
682f272f152efc06fd6ffea832b077bd4bd49f42294012c0111b90bc3f9bb930893227dbaca2fb800c2ec987b77e37d88678c10368ad3c958ae2ca8178738ae2
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQA1:n6a+1SEOtEvwDpjYYvQd2P1
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\2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-20_73bd04a1ab2bb6be6e5cc22334e0403e_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
88KB
MD55451d522c34066127c05db349ea06a64
SHA1ecf44055a01433d167c47ceccde842904531c755
SHA25698b71b29a39065ce194a053d9d0580f22d257f50cbd37e535717df92f492c6f9
SHA5129f1948f08628684aa0e3941e4f829ebc9f4c8d98ab02b58af5208d77c592b4ee085a77a2d3ca63b4d248dd39b8954cee3cc79411f609b50cf5bd3c322c435a9b
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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