fe8b23ef1880acb970ddbb469dbce724ffdc61355440d8d805df8672b1e29a3e | Triage

Analysis

max time kernel
149s
max time network
151s
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

Sharing

Report Analysis Logs

General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

3691c07a4c5f9e12b96a61bd4b28002c
SHA1

831ea22da1971be4f33e86e96bcf66fa051739f0
SHA256

9d0b769ccf9eb460304302e2ce1958001089718baa58d9cf71f4ec3fce8f4922
SHA512

435de907053d68c970654992f1b4c8bbf651e722c1c206601fdfea7001bf15fb465d97127d90fbc73fa58a99e4e511fff2c85cb866d0216e80c518cf175eb5a6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4700 4804 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3796 wrote to memory of 4804	3796	rundll32.exe	rundll32.exe
PID 3796 wrote to memory of 4804	3796	rundll32.exe	rundll32.exe
PID 3796 wrote to memory of 4804	3796	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:3796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 612
3⤵
- Program crash
PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4804 -ip 4804
1⤵
PID:4452

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...