b87cfba8a4f2329b0b372326a7f169f5896459a6bdae0ad8857b576129722204 | Triage

Analysis

max time kernel
93s
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
14-05-2024 13:49

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

9eb662f3b5fbda28bffe020e0ab40519
SHA1

0bd28183a9d8dbb98afbcf100fb1f4f6c5fc6c41
SHA256

9aa388c7de8e96885adcb4325af871b470ac50edb60d4b0d876ad43f5332ffd1
SHA512

6c36f7b45efe792c21d8a87d03e63a4b641169fad6d014db1e7d15badd0e283144d746d888232d6123b551612173b2bb42bf05f16e3129b625f5ddba4134b5b8

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3016	5088	WerFault.exe	81

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 5088	4072	rundll32.exe	81
PID 4072 wrote to memory of 5088	4072	rundll32.exe	81
PID 4072 wrote to memory of 5088	4072	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:5088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 612
    3⤵
    - Program crash
    PID:3016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5088 -ip 5088
1⤵
PID:388

Network

MITRE ATT&CK Matrix

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