752fa6e4b62d30146d4639d84307a5cbbd74ef990305327cd15c7a6f070d53e4 | Triage

Analysis

max time kernel
137s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-05-2024 10:14

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

960a5c48e25cf2bca332e74e11d825c9
SHA1

da35c6816ace5daf4c6c1d57b93b09a82ecdc876
SHA256

484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
SHA512

cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da
SSDEEP

192:jVL7iZJX76BiqsO7+UZEw+RlthVEoC0O3XB:g7ssOpZs/hS3X

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3860	1588	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 1588	696	rundll32.exe	90
PID 696 wrote to memory of 1588	696	rundll32.exe	90
PID 696 wrote to memory of 1588	696	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:1588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 612
    3⤵
    - Program crash
    PID:3860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1588 -ip 1588
1⤵
PID:3956

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=1400 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:3996

Network

MITRE ATT&CK Matrix

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