ca9fa20f5cecf6a9988527835dc9cae2f03efa22b0e3a19f844161d709acfc63 | Triage

Analysis

max time kernel
125s
max time network
199s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 13:14

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General

Target

$PLUGINSDIR/advsplash.dll
Size

5KB
MD5

74fcb6435b746349a712dd9213975ffd
SHA1

0cd54fcd81488ba6d39ee0d832117c4f3dfa80dc
SHA256

12a4ea944895e42a8119e7fca3b9e73e881faf774e39b9c9d4d9efb4a19ffb00
SHA512

2ab77aef5e758a7b3018d5c45e60b6154faca92384609902bb2445234a9e8bc526f8a70961a1d8c2acebd68a9bf8b8b6fe7d4a4542a9cf0e53930aa9b30ade80
SSDEEP

96:mqNXqwK188CgAtXvZBkjDf0yf9ysrtWpwwol:mAqrg1XvZB6kYtWpw

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3380	908	WerFault.exe	88

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 908	928	rundll32.exe	88
PID 928 wrote to memory of 908	928	rundll32.exe	88
PID 928 wrote to memory of 908	928	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\advsplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\advsplash.dll,#1
  2⤵
  PID:908
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 908 -s 616
    3⤵
    - Program crash
    PID:3380

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=4132 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 908 -ip 908
1⤵
PID:2180

Network

MITRE ATT&CK Matrix

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