Analysis
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max time kernel
107s -
max time network
125s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
06/08/2024, 15:48
Static task
static1
Behavioral task
behavioral1
Sample
Launcher.bat
Resource
win11-20240802-en
Behavioral task
behavioral2
Sample
compiler.exe
Resource
win11-20240802-en
Behavioral task
behavioral3
Sample
conf.txt
Resource
win11-20240802-en
Behavioral task
behavioral4
Sample
lua51.dll
Resource
win11-20240802-en
General
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Target
lua51.dll
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Size
389KB
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MD5
995714e9a001ee7f708935650f21c170
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SHA1
430768f55cf7aad076415e8fd0d05a4991c0cde1
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SHA256
674de0cfb83ddd31a10458545d55b8f488cfef7c5cfe5e776073700dcbe5e53c
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SHA512
b1767eaa15f9b057c981d623551a53a56c65ee4e9ff096142b675f878e2638992ff2205194f5719c62de10b75b9e0bcbb7e2ccc77210a717862e1779377354e0
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SSDEEP
12288:MiZ+ox9piQ8G27pC6Yyu5t60O0MJuAghAuNwABE:Me19pm7pCuCt6+w
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 4448 2996 WerFault.exe 81 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1632 wrote to memory of 2996 1632 rundll32.exe 81 PID 1632 wrote to memory of 2996 1632 rundll32.exe 81 PID 1632 wrote to memory of 2996 1632 rundll32.exe 81
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2996 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 4523⤵
- Program crash
PID:4448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2996 -ip 29961⤵PID:5148