795a5e36116484138a54573bd4c4a55778a15e12abac657a01748f2db2d87978 | Triage

Analysis

max time kernel
140s
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
01-07-2024 16:15

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

12b140583e3273ee1f65016becea58c4
SHA1

92df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256

014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA512

49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a
SSDEEP

192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2680 3232 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 380 wrote to memory of 3232	380	rundll32.exe	rundll32.exe
PID 380 wrote to memory of 3232	380	rundll32.exe	rundll32.exe
PID 380 wrote to memory of 3232	380	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:380

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:3232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 612
3⤵
- Program crash
PID:2680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3232 -ip 3232
1⤵
PID:3252

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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:2820

Network

MITRE ATT&CK Matrix

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