820c80689e636559f271d1c42e5d357ca50f9948804b6f6a25d122c840d3c049 | Triage

Analysis

max time kernel
134s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2024, 22:40

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General

Target

$PLUGINSDIR/UAC.dll
Size

13KB
MD5

431e5b960aa15af5d153bae6ba6b7e87
SHA1

e090c90be02e0bafe5f3d884c0525d8f87b3db40
SHA256

a6d956f28c32e8aa2ab2df13ef52637e23113fab41225031e7a3d47390a6cf13
SHA512

f1526c7e4d0fce8ab378e43e89aafb1d7e9d57ef5324501e804091e99331dd2544912181d6d4a07d30416fe17c892867c593aee623834935e11c7bb385c6a0a8
SSDEEP

192:vIARvmFvcukSWn8EAKVZ8148Dj33RZgqWVWYuOUEjRuFzEun0J:v2mukSe8EA88pRZAVWYuO3cFznny

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4012	400	WerFault.exe	86

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 400	4836	rundll32.exe	86
PID 4836 wrote to memory of 400	4836	rundll32.exe	86
PID 4836 wrote to memory of 400	4836	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UAC.dll,#1
  2⤵
  PID:400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 624
    3⤵
    - Program crash
    PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 400 -ip 400
1⤵
PID:4280

Network

MITRE ATT&CK Matrix

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