999509b401f64cacee1723cdb375e221566285daeeac8e83ed8720b763c16431 | Triage

Analysis

max time kernel
92s
max time network
123s
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 20:45

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

419d642fe3436fda8bb22eea9c37a6ca
SHA1

c1644131b880c6e03f14de3c79efd27093a77908
SHA256

25c4f65b02eca4ad897d7a623b3ca1290bac836e98ab5ee5f6c527dfb6a41dd7
SHA512

29df088e3b5189efd6fbeebc2f23c5850303d40fe5331cd336bb852d986f9ab66f7bcd963ebf8c4e4eea7d49a6590027490d651a3e4781024c7983a2c456a337

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1816	4020	WerFault.exe	80

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4020	3488	rundll32.exe	80
PID 3488 wrote to memory of 4020	3488	rundll32.exe	80
PID 3488 wrote to memory of 4020	3488	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:4020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 612
    3⤵
    - Program crash
    PID:1816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4020 -ip 4020
1⤵
PID:4684

Network

MITRE ATT&CK Matrix

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