85156b6391d646dfd0a9e8fbfba5bf234e1f629c78f0844034330a862fd77c1c | Triage

Analysis

max time kernel
136s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 05:47

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General

Target

$PLUGINSDIR/StartMenu.dll
Size

7KB
MD5

5ce52c5c52c7ece604cb5b07faf234df
SHA1

ab244b4a8caa29ecb24477d1cc1dd8484371176b
SHA256

96ac4ef189260d5d6137c27c9470afbbde382f771fef040e9a6fa3f0ca2e4ecc
SHA512

c42ec0d29350aa59cd783fdad542cd6dfcd983266726c1d45e7bdfcfa9a4302b2119b5081f987d967ec7a99b3b195717da3e839c9c9b8a34aeb38ca0e0d62262
SSDEEP

96:cXEsZNrFQiAYLvx8RxjjL82Orp2YDDBKIakCT9KNotMQl3gJk:cXEsYYLvxcSDBxan9my3O

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4812 1876 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2604 wrote to memory of 1876	2604	rundll32.exe	rundll32.exe
PID 2604 wrote to memory of 1876	2604	rundll32.exe	rundll32.exe
PID 2604 wrote to memory of 1876	2604	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StartMenu.dll,#1
  2⤵
  PID:1876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 612
    3⤵
    - Program crash
    PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1876 -ip 1876
1⤵
PID:2600

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=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:4948

Network

MITRE ATT&CK Matrix

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