8634a3db542e996337729ffab3913e48633f6422d1cde9a6f743a42a3bf75679 | Triage

Analysis

max time kernel
142s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/02/2024, 05:34

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

2ae993a2ffec0c137eb51c8832691bcb
SHA1

98e0b37b7c14890f8a599f35678af5e9435906e1
SHA256

681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
SHA512

2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9
SSDEEP

192:vPtkumJX7zB22kGwfy0mtVgkCPOsE1un:k702k5qpdsEQn

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2004	4876	WerFault.exe	95

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 4876	1016	rundll32.exe	95
PID 1016 wrote to memory of 4876	1016	rundll32.exe	95
PID 1016 wrote to memory of 4876	1016	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:4876
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 612
    3⤵
    - Program crash
    PID:2004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4876 -ip 4876
1⤵
PID:2248

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=2676 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
1⤵
PID:1516

Network

MITRE ATT&CK Matrix

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