fe8b23ef1880acb970ddbb469dbce724ffdc61355440d8d805df8672b1e29a3e | Triage

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 20:42

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

32465a07028b927b22c38e642c2cb836
SHA1

309cac412b2ecf6a36f6e989c828afcdd8c7a6e4
SHA256

eda545d4dcb37098a90fce9692d5094bb56897f04eff6d40e3dedd122a4d1292
SHA512

9d886a722bbbb5d8d77e97d256057fe685f1932042257a8382e13548fe835d01c64de65e2b5ad2c2ff99692b14c924e6ddb84797f6224f1772e8699b421e6aff
SSDEEP

192:gO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1axgMO:ZKAFERdlxhGRYUzqZax

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4084 2468 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1652 wrote to memory of 2468	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2468	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2468	1652	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:1652

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:2468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 612
3⤵
- Program crash
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2468 -ip 2468
1⤵
PID:3920

Network

MITRE ATT&CK Matrix

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