72b85818d7c9eeccc50f4e3ff2eaa911fd755ad73668178a54467c791deddf8d | Triage

Analysis

max time kernel
139s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 07:51

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b8992e497d57001ddf100f9c397fcef5
SHA1

e26ddf101a2ec5027975d2909306457c6f61cfbd
SHA256

98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b
SHA512

8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c
SSDEEP

192:PPtkumJX7zB22kGwfy0mtVgkCPOs81un:E702k5qpds8Qn

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3620 1924 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3780 wrote to memory of 1924	3780	rundll32.exe	rundll32.exe
PID 3780 wrote to memory of 1924	3780	rundll32.exe	rundll32.exe
PID 3780 wrote to memory of 1924	3780	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:1924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 612
    3⤵
    - Program crash
    PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1924 -ip 1924
1⤵
PID:3812

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 --field-trial-handle=3468,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=2404 /prefetch:8
1⤵
PID:756

Network

MITRE ATT&CK Matrix

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