a24362e4ac45ec3e35f16b91d593b35976b1cb795a81d19e88ac5969d0cfb68f | Triage

Analysis

max time kernel
86s
max time network
196s
platform
windows11-21h2_x64
resource
win11-20231222-en
resource tags

arch:x64arch:x86image:win11-20231222-enlocale:en-usos:windows11-21h2-x64system
submitted
30-01-2024 18:01

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General

Target

$PLUGINSDIR/InstallOptions.dll
Size

15KB
MD5

ece25721125d55aa26cdfe019c871476
SHA1

b87685ae482553823bf95e73e790de48dc0c11ba
SHA256

c7fef6457989d97fecc0616a69947927da9d8c493f7905dc8475c748f044f3cf
SHA512

4e384735d03c943f5eb3396bb3a9cb42c9d8a5479fe2871de5b8bc18db4bbd6e2c5f8fd71b6840512a7249e12a1c63e0e760417e4baa3dc30f51375588410480
SSDEEP

384:EXsC43tPegZ3eBaRwCPOYY7nNYXC06/Yosa:EXJTgZ3eBTCmrnNA5p

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3156 3624 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2580 wrote to memory of 3624	2580	rundll32.exe	rundll32.exe
PID 2580 wrote to memory of 3624	2580	rundll32.exe	rundll32.exe
PID 2580 wrote to memory of 3624	2580	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:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  PID:3624
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 544
    3⤵
    - Program crash
    PID:3156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 3624 -ip 3624
1⤵
PID:4704

Network

MITRE ATT&CK Matrix

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Downloads