bc4101cb2be2bc8fedb16c82b4c4dc808176f519f9c2c8012c6e18b4b35d932d | Triage

Analysis

max time kernel
124s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 07:54

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General

Target

$PLUGINSDIR/UserInfo.dll
Size

4KB
MD5

d16e06c5de8fb8213a0464568ed9852f
SHA1

d063690dc0d2c824f714acb5c4bcede3aa193f03
SHA256

728472ba312ae8af7f30d758ab473e0772477a68fcd1d2d547dafe6d8800d531
SHA512

60502bb65d91a1a895f38bd0f070738152af58ffa4ac80bac3954aa8aad9fda9666e773988cbd00ce4741d2454bf5f2e0474ce8ea18cfe863ec4c36d09d1e27a

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1216	3176	WerFault.exe	91

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 3176	1812	rundll32.exe	91
PID 1812 wrote to memory of 3176	1812	rundll32.exe	91
PID 1812 wrote to memory of 3176	1812	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
  2⤵
  PID:3176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 612
    3⤵
    - Program crash
    PID:1216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3176 -ip 3176
1⤵
PID:876

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 --field-trial-handle=1748,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4148 /prefetch:8
1⤵
PID:2892

Network

MITRE ATT&CK Matrix

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