Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 04:24
Behavioral task
behavioral1
Sample
ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe
Resource
win10v2004-20240508-en
General
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Target
ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe
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Size
24KB
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MD5
54f95fe164b62f4f46f8548c557f4005
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SHA1
f3a1ed8d1562a73943249eabf1a61912cb7db577
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SHA256
ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579
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SHA512
b85fac0c32884cbb025d14b071ab9fd1f92723da47504554e0cfcd0273306ff6ff04478212dfd71bb3c18c1945d6dea3b3de084f9ade5cc3b0d597664fcd7c3a
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SSDEEP
384:UATttSPw84JRFnYJz7sto9KJzq98kENZ7wCMoYUgY:BEw84DJ3om298ECMoBgY
Malware Config
Signatures
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UPX dump on OEP (original entry point) 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2932-0-0x0000000000400000-0x000000000040D000-memory.dmp UPX \Users\Admin\AppData\Local\Temp\zmnzx.exe UPX behavioral1/memory/2932-9-0x0000000000400000-0x000000000040D000-memory.dmp UPX behavioral1/memory/2076-10-0x0000000000400000-0x000000000040D000-memory.dmp UPX behavioral1/memory/2076-12-0x0000000000400000-0x000000000040D000-memory.dmp UPX -
Executes dropped EXE 1 IoCs
Processes:
zmnzx.exepid process 2076 zmnzx.exe -
Loads dropped DLL 1 IoCs
Processes:
ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exepid process 2932 ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe -
Processes:
resource yara_rule behavioral1/memory/2932-0-0x0000000000400000-0x000000000040D000-memory.dmp upx \Users\Admin\AppData\Local\Temp\zmnzx.exe upx behavioral1/memory/2932-9-0x0000000000400000-0x000000000040D000-memory.dmp upx behavioral1/memory/2076-10-0x0000000000400000-0x000000000040D000-memory.dmp upx behavioral1/memory/2076-12-0x0000000000400000-0x000000000040D000-memory.dmp upx -
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:
ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exedescription pid process target process PID 2932 wrote to memory of 2076 2932 ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe zmnzx.exe PID 2932 wrote to memory of 2076 2932 ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe zmnzx.exe PID 2932 wrote to memory of 2076 2932 ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe zmnzx.exe PID 2932 wrote to memory of 2076 2932 ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe zmnzx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe"C:\Users\Admin\AppData\Local\Temp\ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zmnzx.exe"C:\Users\Admin\AppData\Local\Temp\zmnzx.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\zmnzx.exeFilesize
24KB
MD51f841943416931ada85c5635f1371fd2
SHA1b086a5aca315aa151a4e8a422a118fc501f7981a
SHA2568cc7a690fce7363feb6de51234b4b455920cce40ca4d0bba3cc226f4bf013cde
SHA512a70ca7668638b90199df332a6023bb73470628366604499236bbebe639bb8d8c3a32857ee83399cdcbde46f31d05445def10b7e9ea9304a2bc10a2a3830f8254
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memory/2076-10-0x0000000000400000-0x000000000040D000-memory.dmpFilesize
52KB
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memory/2076-12-0x0000000000400000-0x000000000040D000-memory.dmpFilesize
52KB
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memory/2932-0-0x0000000000400000-0x000000000040D000-memory.dmpFilesize
52KB
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memory/2932-2-0x0000000000402000-0x0000000000403000-memory.dmpFilesize
4KB
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memory/2932-9-0x0000000000400000-0x000000000040D000-memory.dmpFilesize
52KB