370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd | Triage

Analysis

max time kernel
91s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18-02-2024 23:02

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

14KB
MD5

9b2ad0546fd834c01a3bdcbfbc95da7d
SHA1

4f92f5a6b269d969ba3340f1c1978d337992a62c
SHA256

7e08cb4ff81dbb0573c672301681e31b2042682e9a2204673f811455f823dd37
SHA512

5b374fe7cc8d6ff8b93cfcc8deae23f2313f8240c998d04d3e65c196b33c7d36a33930ffd481cdd6d30aa4c73dd2a1c6fe43791e9bf10bd71b33321a8e71c6b8
SSDEEP

192:v6JaVGQ+xI5EeuyvMmGpeWH2J5xprN+AxTKK72dwF7dBdcQOz:v6JaVh4I5rpPbTK+BdhO

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2568 3556 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3012 wrote to memory of 3556	3012	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 3556	3012	rundll32.exe	rundll32.exe
PID 3012 wrote to memory of 3556	3012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
2⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3556 -s 636
3⤵
- Program crash
PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3556 -ip 3556
1⤵
PID:2944

Network

MITRE ATT&CK Matrix

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