b9b78528efaa39eda121c478cdae30464f3f3046efbf13905e29d19fbf5373b1 | Triage

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 07:31

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b853d5d2361ade731e33e882707efc34
SHA1

c58b1aeabdf1cbb8334ef8797e7aceaa7a1cb6be
SHA256

f0cd96e0b6e40f92ad1aa0efacde833bae807b92fca19bf062c1cf8acf29484b
SHA512

8ea31d82ffa6f58dab5632fe72690d3a6db0be65aec85fc8a1f71626773c0974dcebefae17bcf67c4c56ef442545e985eea0b348ff6e4fc36740640092b08d69
SSDEEP

192:eA2HS+ihg200uWz947Wzvxu6v0MI7JOde+Ij5Z77dslFsEf:mS62Gw947ExuGDI7J8EF7KIE

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3788	4444	WerFault.exe	90

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 4444	1424	rundll32.exe	90
PID 1424 wrote to memory of 4444	1424	rundll32.exe	90
PID 1424 wrote to memory of 4444	1424	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:1424
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:4444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 612
    3⤵
    - Program crash
    PID:3788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4444 -ip 4444
1⤵
PID:3992

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=1328 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:3632

Network

MITRE ATT&CK Matrix

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