6bc73333bf9ae12bdcedccc1ecd28acfc70f2b17d95c55d67e87100ee6040572 | Triage

Analysis

max time kernel
149s
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
21-05-2024 10:22

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

7836f464ae0102452e94a363b491b759
SHA1

59909a48448b99e2eb9cd336d81d60764da59f31
SHA256

11adf8916947b5a20a071b494fa034cf62769dcc6293a1340b29a5bb29ac8e87
SHA512

5ed63eefa1b3b3caad4cb762ccb8419c05bcad3da3a7415235cda2d2a1f79eb018503ca30a0a92d6b72160327decea9a70c48e0c28de94dd67303d4aea4a02db

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3976 1084 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4420 wrote to memory of 1084	4420	rundll32.exe	rundll32.exe
PID 4420 wrote to memory of 1084	4420	rundll32.exe	rundll32.exe
PID 4420 wrote to memory of 1084	4420	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:4420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:1084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 612
    3⤵
    - Program crash
    PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1084 -ip 1084
1⤵
PID:1968

Network

MITRE ATT&CK Matrix

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