f8418708394db6fca1994290189547aa62a581f0e9c2e8096a5837598b03f553 | Triage

Analysis

max time kernel
1s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
23-05-2024 00:05

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General

Target

lua51.dll
Size

592KB
MD5

3dff7448b43fcfb4dc65e0040b0ffb88
SHA1

583cdab08519d99f49234965ffd07688ccf52c56
SHA256

ff976f6e965e3793e278fa9bf5e80b9b226a0b3932b9da764bffc8e41e6cdb60
SHA512

cdcbe0ec9ddd6b605161e3c30ce3de721f1333fce85985e88928086b1578435dc67373c3dc3492ed8eae0d63987cac633aa4099b205989dcbb91cbbfc8f6a394
SSDEEP

12288:rs7/mj/73RaLHIW5BmUeUhoE4RgiF1q1bPIBKsg4Db0S:rc/u/7IoRnUKfq1Dl4DY

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4344 3872 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3992 wrote to memory of 3872	3992	rundll32.exe	rundll32.exe
PID 3992 wrote to memory of 3872	3992	rundll32.exe	rundll32.exe
PID 3992 wrote to memory of 3872	3992	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3992

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lua51.dll,#1
2⤵
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 448
3⤵
- Program crash
PID:4344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3872 -ip 3872
1⤵
PID:1700

Network

MITRE ATT&CK Matrix

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