d4c3919ec72842ee308477798826f76fec77e2f20e862750b7cf542b385b0433 | Triage

Analysis

max time kernel
138s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 12:22

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General

Target

$PLUGINSDIR/System.dll
Size

17KB
MD5

62008374a494afeea2ee2ae9eee4c8c0
SHA1

94808fcf0748c437f4d7ffa4d540e054cb014fab
SHA256

9c4affddfa97b268b07c00ac28a2fe617dda806bf55088ccf348da149ee76c1a
SHA512

f584ed647b69ff8ff80450be8f0b267ebb3c97826dbf01d078165ea94b43afd1f00fc58b91d9e8f4d78465d70312c1b1a6ac66583ebdc009b0ce471a6cf149a0
SSDEEP

384:yJoiO8V2upW7vQjS/tnYPLD5Xk+eM0A/V:yJzO8V2uovQjq6N9

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4780	1236	WerFault.exe	91

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 1236	4268	rundll32.exe	91
PID 4268 wrote to memory of 1236	4268	rundll32.exe	91
PID 4268 wrote to memory of 1236	4268	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:1236
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 612
    3⤵
    - Program crash
    PID:4780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1236 -ip 1236
1⤵
PID:3616

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=4612 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:1208

Network

MITRE ATT&CK Matrix

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