449bf249c170a1b3275c2a3ed45292244ecb49bf3be24ccef3809330de252d90 | Triage

Analysis

max time kernel
134s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 13:38

Sharing

Report Analysis Logs

General

Target

$PLUGINSDIR/UserInfo.dll
Size

3KB
MD5

3840a8875ee86c83b57b6e8eca96b013
SHA1

aeb5cd350b9bcc2e2903cf35da550e1223efead6
SHA256

b99a9f1783fa8156ce4480367e7b059b949fe083dbe66c7dc03e6bcc16f83f8b
SHA512

d0d1ebe62916b2e36664256f7e3d1009f8a928bccf0775943f6416255942fb5ac016b8459fc8fb91fd2a3ffb3272e3350578f12e1b5b40a44095ba6fc6f861c1

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1460 4348 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4812 wrote to memory of 4348	4812	rundll32.exe	rundll32.exe
PID 4812 wrote to memory of 4348	4812	rundll32.exe	rundll32.exe
PID 4812 wrote to memory of 4348	4812	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:4812

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:4348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 624
3⤵
- Program crash
PID:1460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
1⤵
PID:2692

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...