fb6b1171776554a808c62f4045f5167603f70bf7611de64311ece0624b365397 | Triage

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21-07-2024 07:01

240721-htjxtswbpa 8

21-07-2024 07:00

240721-hs4wlsxglq 8

Analysis

max time kernel
1457s
max time network
1469s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
21-07-2024 07:00

Sharing

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General

Target

$PLUGINSDIR/System.dll
Size

11KB
MD5

c17103ae9072a06da581dec998343fc1
SHA1

b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256

dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512

d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
SSDEEP

192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1728	4092	WerFault.exe	81

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4936 wrote to memory of 4092	4936	rundll32.exe	81
PID 4936 wrote to memory of 4092	4936	rundll32.exe	81
PID 4936 wrote to memory of 4092	4936	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
  2⤵
  PID:4092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 468
    3⤵
    - Program crash
    PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4092 -ip 4092
1⤵
PID:1872

Network

MITRE ATT&CK Matrix

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Downloads