0b4a3dd50fed1972cb41fa18b79d8a51ae8b15ae8d31e4facd926a86bfa6926f | Triage

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 14:35

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b0c77267f13b2f87c084fd86ef51ccfc
SHA1

f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
SHA256

a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
SHA512

f2b57a2eea00f52a3c7080f4b5f2bb85a7a9b9f16d12da8f8ff673824556c62a0f742b72be0fd82a2612a4b6dbd7e0fdc27065212da703c2f7e28d199696f66e
SSDEEP

192:4PtkiQJr7jHYT87RfwXQ6YSYtOuVDi7IsFW14Ll8CO:H78TQIgGCDp14LGC

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2832 2752 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 2752	3008	rundll32.exe	rundll32.exe
PID 2752 wrote to memory of 2832	2752	rundll32.exe	WerFault.exe
PID 2752 wrote to memory of 2832	2752	rundll32.exe	WerFault.exe
PID 2752 wrote to memory of 2832	2752	rundll32.exe	WerFault.exe
PID 2752 wrote to memory of 2832	2752	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 224
3⤵
- Program crash
PID:2832

MITRE ATT&CK Matrix

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