898afd6a9a30b774d8f6183de0c8ea19b54b69bc362af208e0960c5fe9fb52ad | Triage

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 19:09

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

e24e45e1bc891bb8825e6b0b0ec6d301
SHA1

1380610230807f3c5ec390b426a3eb3acbd1cfcb
SHA256

980db656b2439cb78427163d2e323671d6ef47622b50abdbe6c83e05f4cf2958
SHA512

7bf692129c675ed92515ee94ab6bc05afdc0f072873da142ffac11d6ac4fd94972e1ef5007fd6f5130b50d2fbcf24ea144ceec9bc5780145884515635e98e717

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	1400	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 1400	4992	rundll32.exe	86
PID 4992 wrote to memory of 1400	4992	rundll32.exe	86
PID 4992 wrote to memory of 1400	4992	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:1400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 612
    3⤵
    - Program crash
    PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1400 -ip 1400
1⤵
PID:2468

Network

MITRE ATT&CK Matrix

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