823a91ee5e3c84edd18c3e4df9321dd649e2ea5ffb79d5b91b26253a37f7c25a | Triage

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 10:45

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

75ed96254fbf894e42058062b4b4f0d1
SHA1

996503f1383b49021eb3427bc28d13b5bbd11977
SHA256

a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512

58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
SSDEEP

192:X24sihno0bW+l97H4GB7QDs91kMtwtobTr4u+QHbazMNHT7dmNIEr:m8vJl97JeoxtN/r3z7YV

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1372 5096 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2252 wrote to memory of 5096	2252	rundll32.exe	rundll32.exe
PID 2252 wrote to memory of 5096	2252	rundll32.exe	rundll32.exe
PID 2252 wrote to memory of 5096	2252	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:2252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:5096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 620
    3⤵
    - Program crash
    PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5096 -ip 5096
1⤵
PID:2008

Network

MITRE ATT&CK Matrix

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