25449e29a38dc9c7b102b263b6c076a8b45ac2d2149c336ed9c885cd41905a8c | Triage

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 22:06

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

fccff8cb7a1067e23fd2e2b63971a8e1
SHA1

30e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA256

6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
SHA512

f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
SSDEEP

192:xPtkiQJr7V9r3HcU17S8g1w5xzWxy6j2V7i77blbTc4v:g7VpNo8gmOyRsVc4

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3364 3904 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2428 wrote to memory of 3904	2428	rundll32.exe	rundll32.exe
PID 2428 wrote to memory of 3904	2428	rundll32.exe	rundll32.exe
PID 2428 wrote to memory of 3904	2428	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:2428
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:3904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 612
    3⤵
    - Program crash
    PID:3364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3904 -ip 3904
1⤵
PID:3464

Network

MITRE ATT&CK Matrix

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