560b03c4ba18e5a443f74a69727db0eabac6f455bb836757d620cc51615a92ea | Triage

Analysis

max time kernel
103s
max time network
129s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
17-03-2024 03:26

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General

Target

$PLUGINSDIR/System.dll
Size

12KB
MD5

0d7ad4f45dc6f5aa87f606d0331c6901
SHA1

48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA256

3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512

c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP

192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3188 4020 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3968 wrote to memory of 4020	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 4020	3968	rundll32.exe	rundll32.exe
PID 3968 wrote to memory of 4020	3968	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:3968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
2⤵
PID:4020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 460
3⤵
- Program crash
PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
1⤵
PID:1852

Network

MITRE ATT&CK Matrix

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