c83d319f8b4f4ec7f158298617e52b99cb9cda0603799fc5789b6888791b2d86 | 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
24-04-2024 20:49

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

ea6e193ba899e776df9a8011509aabae
SHA1

6496b6946a2649bd9a4ed88acd60cd304270cdd4
SHA256

5bfbbda954e6ac97e5eefcce298ca3ee14d1d2b9b27ca58320e0940dfbfb57ee
SHA512

f467a142e1272b4601d43b0c0a79a289cfb02d91a8604132435adc98a7cbf349a650b955e1f7020d5db622dfe4941f3f36a42b52577823efca7c845f75377ffc

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3488 3876 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 116 wrote to memory of 3876	116	rundll32.exe	rundll32.exe
PID 116 wrote to memory of 3876	116	rundll32.exe	rundll32.exe
PID 116 wrote to memory of 3876	116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:3876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3876 -s 612
3⤵
- Program crash
PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3876 -ip 3876
1⤵
PID:1904

Network

MITRE ATT&CK Matrix

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