370a27a30ee57247faddeb1f99a83933247e07c8760a07ed82e451e1cb5e5cdd | Triage

Analysis

max time kernel
234s
max time network
302s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2024 07:24

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General

Target

$PLUGINSDIR/System.dll
Size

10KB
MD5

4125926391466fdbe8a4730f2374b033
SHA1

fdd23034ada72d2537939ac6755d7f7c0e9b3f0e
SHA256

6692bd93bcd04146831652780c1170da79aa3784c3c070d95fb1580e339de6c5
SHA512

32a1cf96842454b3c3641316ee39051ae024bdce9e88ac236eadad531f2c0a08d46b77d525f7d994c9a5af4cc9a391d30ee92b9ec782b7fb9a42c76f0f52a008
SSDEEP

192:4O6dJA/ruAFEiUdWWE6hE5RYUdJfbub1algMO:RKAFERdlxhGRYUzqZal

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3392 4160 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2240 wrote to memory of 4160	2240	rundll32.exe	rundll32.exe
PID 2240 wrote to memory of 4160	2240	rundll32.exe	rundll32.exe
PID 2240 wrote to memory of 4160	2240	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:2240

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:4160

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4160 -s 612
3⤵
- Program crash
PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4160 -ip 4160
1⤵
PID:1780

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=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:2364

Network

MITRE ATT&CK Matrix

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