85156b6391d646dfd0a9e8fbfba5bf234e1f629c78f0844034330a862fd77c1c | Triage

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 05:47

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

b9f430f71c7144d8ff4ab94be2785aa6
SHA1

c5c1e153caff7ad1d221a9acc8bbb831f05ccb05
SHA256

b496e81a74ce871236abcd096fb9a6b210b456bebaa7464fa844b3241e51a655
SHA512

c7ce431b6a1493fd7d1fe1b1c823ad22b582c43c8eb2fb6a471c648dd9df9953277c89932c66afd598d43ea36f4a8602e84cd175115266943071cbc8ce204099
SSDEEP

192:hClej3uzvJwqJMQKN4GbeWZksMI4ETWcEbcBZ8ep2Kra7yOG:hCm2HgN4GbeWmbI4Eybogia7yO

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3580 3524 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2348 wrote to memory of 3524	2348	rundll32.exe	rundll32.exe
PID 2348 wrote to memory of 3524	2348	rundll32.exe	rundll32.exe
PID 2348 wrote to memory of 3524	2348	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:2348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:3524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 612
    3⤵
    - Program crash
    PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3524 -ip 3524
1⤵
PID:3268

Network

MITRE ATT&CK Matrix

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