c291f69fe2c0a95a9949ac15d06182344d646cf591752e0db27e2a09c90a97e6 | Triage

Analysis

max time kernel
149s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05/07/2024, 10:12

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General

Target

NvFlexReleaseD3D_x86.dll
Size

1.2MB
MD5

aed0c4499c311a2ed4a57fbcde8bb803
SHA1

4ffb6133cbdf9b936838192c8cba638ffea99b5a
SHA256

a782ba1ef1a800b5ca44e99c87361d254f857bd2b37ca45b0594e01ae30703ea
SHA512

4d219f85a95643c4f0450fa1eae4bd32d749b1be00fe9c11b28d907ddab60d030c93d27cc900b05772086d9324e8ad94a3bfc4d94bbdfc819afa712cd220dba0
SSDEEP

12288:iV4lfmmmkyimT3pYlYewSWDX/ftv/GXQuTD8ykekRT2VJN:iV46YlYfzd/WdTD802T8j

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3900	3380	WerFault.exe	81

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 3380	1452	rundll32.exe	81
PID 1452 wrote to memory of 3380	1452	rundll32.exe	81
PID 1452 wrote to memory of 3380	1452	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NvFlexReleaseD3D_x86.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NvFlexReleaseD3D_x86.dll,#1
  2⤵
  PID:3380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 604
    3⤵
    - Program crash
    PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3380 -ip 3380
1⤵
PID:3500

Network

MITRE ATT&CK Matrix

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