9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b | Triage

Analysis

max time kernel
133s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 01:30

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

8b3830b9dbf87f84ddd3b26645fed3a0
SHA1

223bef1f19e644a610a0877d01eadc9e28299509
SHA256

f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
SHA512

d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03
SSDEEP

192:ex24sihno00Wfl97nH6BenXwWobpWBTtvShJ5omi7dJWjOlESlS:h8QIl972eXqlWBFSt273YOlEz

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3164 4332 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1552 wrote to memory of 4332	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 4332	1552	rundll32.exe	rundll32.exe
PID 1552 wrote to memory of 4332	1552	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:4332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 612
    3⤵
    - Program crash
    PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4332 -ip 4332
1⤵
PID:2280

Network

MITRE ATT&CK Matrix

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