0891ddb6b4cf9b491981c9065e734f302613c64828c811b8742a85e25fa7f60c | Triage

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 14:20

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

8092119fa7038477602715fbb9a749b8
SHA1

505d88dadde88c3d0c1a7dcf95511dac89a75327
SHA256

6c43af5362c855c59c4472225fbdaebe26444c711be22e0e5ab80fdcb32e9af7
SHA512

27285dee1ee49ffc2489bb33856e04751e147226dd3978c026e7958d2baa6650e15254c3276eb64d63e0b1bc124f33667c98703fbbe3b0f83dc5eb52492688df

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3972 1580 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 812 wrote to memory of 1580	812	rundll32.exe	rundll32.exe
PID 812 wrote to memory of 1580	812	rundll32.exe	rundll32.exe
PID 812 wrote to memory of 1580	812	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:812

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
2⤵
PID:1580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 612
3⤵
- Program crash
PID:3972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1580 -ip 1580
1⤵
PID:2208

Network

MITRE ATT&CK Matrix

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