99a956bbed42d1b5d3a07068d0ceee00a3259f34c94cfa182e68483b5fd7ccce | Triage

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 01:37

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General

Target

$PLUGINSDIR/AdvSplash.dll
Size

6KB
MD5

6def2cf3daf850acdc1a3e7340a439c4
SHA1

95d0d26f60cd5af697502cd5e53a54913ab188fb
SHA256

3ec3cf21a99ab0533ec2c451df3b5542733f70b972089d5c321ad7ae3b87d175
SHA512

16b1cf4783284d4a1282c569f5c416c713b4b339efcd4d3948bdf7da2194c597bd732d07ba9fabafcab323ba8c8da68845d4435ab9d1916b1810087ee1f5c413
SSDEEP

96:bNcIcmLEjNev3O2obNnNlXUjDftqlqCstWpFwoS:yIpLSG3O9XX+qlqntWpF

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3460 3128 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4496 wrote to memory of 3128	4496	rundll32.exe	rundll32.exe
PID 4496 wrote to memory of 3128	4496	rundll32.exe	rundll32.exe
PID 4496 wrote to memory of 3128	4496	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4496

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\AdvSplash.dll,#1
2⤵
PID:3128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 616
3⤵
- Program crash
PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3128 -ip 3128
1⤵
PID:384

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=3348,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4324 /prefetch:8
1⤵
PID:648

Network

MITRE ATT&CK Matrix

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