0b87f75fe510dc0dc7c0eb8e9ee13d4d0fbfaf137e651251fff0f3345ca89d59 | Triage

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 18:40

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

7579ade7ae1747a31960a228ce02e666
SHA1

8ec8571a296737e819dcf86353a43fcf8ec63351
SHA256

564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
SHA512

a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
6020	5432	WerFault.exe	98

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 5432	1868	rundll32.exe	98
PID 1868 wrote to memory of 5432	1868	rundll32.exe	98
PID 1868 wrote to memory of 5432	1868	rundll32.exe	98

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:5432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5432 -s 612
    3⤵
    - Program crash
    PID:6020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5432 -ip 5432
1⤵
PID:4360

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1324 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
1⤵
PID:1720

Network

MITRE ATT&CK Matrix

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