fc16a73ee55b2a601b923eabf03c28180a7345f2d4e1da7dcdc9716a03ed5aa6

Analysis

max time kernel
143s
max time network
161s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
09/03/2024, 10:40

Target

res/driver/nvidia/i386/WinUSBCoInstaller.dll
Size

567KB
MD5

3c10ea3ddae7923d023d26ea41656163
SHA1

49df998f866b6f5e44aa8b2723c950d6a176af47
SHA256

239aabb4a3fd738819b72cc45c2691d177305a0776a1b83462ead9106ef9c271
SHA512

154dc2bc69cb9c76ab550f23217ee6c81b2a4424c8974f291fcd2a49033782179ed7830a2ff374662112acab76ae363371b5148d018ac52206cafa198cad0f42
SSDEEP

12288:2d3TsOn+kitE4yZuQelurKsqZga/GRgxgQjGpFE8ru0:yQi+JtnyZ4MrKNZSaGQbuj

Score

4^/10

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\setupact.log	rundll32.exe
File opened for modification	C:\Windows\setuperr.log	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1288	1920	rundll32.exe	81
PID 1920 wrote to memory of 1288	1920	rundll32.exe	81
PID 1920 wrote to memory of 1288	1920	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\driver\nvidia\i386\WinUSBCoInstaller.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\driver\nvidia\i386\WinUSBCoInstaller.dll,#1
  2⤵
  - Drops file in Windows directory
  PID:1288