Analysis
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max time kernel
92s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 14:46
Static task
static1
Behavioral task
behavioral1
Sample
客户端/20201108/D3DX81ab.dll
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
客户端/20201108/D3DX81ab.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
客户端/20201108/libcro.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
客户端/20201108/libcro.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
客户端/20201108/管理程序.exe
Resource
win7-20240221-en
General
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Target
客户端/20201108/D3DX81ab.dll
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Size
673KB
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MD5
4d27c761c43f1f4094005889efd968eb
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SHA1
3900a153f894dda7a8b23984b20d87b3ae6b01ab
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SHA256
7afd418750824969fd6d0c6db949456998f792c97d6a69669051e1c90a458a5b
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SHA512
5a173e16fec3555da024555c3b8ca3c95667b6f6e2286c8ab83a63a70b614effe01c7332a9f518ceb9cc6754295bbfc3fffb93e7e6ca36050a4e3a38ac48dc2e
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SSDEEP
12288:g905yeX+DrR+wK/7OQQFICi7hrevXUdqzA/hz29FoVIJoLyq06:g9kOPi/ajFICi7EMdqzAB+cAo
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3276 400 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3100 wrote to memory of 400 3100 rundll32.exe 85 PID 3100 wrote to memory of 400 3100 rundll32.exe 85 PID 3100 wrote to memory of 400 3100 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\客户端\20201108\D3DX81ab.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\客户端\20201108\D3DX81ab.dll,#12⤵PID:400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 6163⤵
- Program crash
PID:3276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 400 -ip 4001⤵PID:4196