516053d42d8b91d996061298d42877b9d3d37b854857c2d90b3f65a8f18b3758

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05/03/2025, 01:17

Target

516053d42d8b91d996061298d42877b9d3d37b854857c2d90b3f65a8f18b3758.dll
Size

137KB
MD5

6c566b4c682cbba515bcad4684e06e45
SHA1

92362a673a99dfaf2e552caafdce47392f92307d
SHA256

516053d42d8b91d996061298d42877b9d3d37b854857c2d90b3f65a8f18b3758
SHA512

454f1f52ee63a580b4cc769c42cb66e09e7d6128099a1fb6c30ebdc45f7c35841aab3ca4009a484edcc733a7a4505a355d7b7c374ef65f158d8f8246dcdb873f
SSDEEP

3072:WR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu+:T25GgFny61mra8

Score

8^/10

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

Port Monitors

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	rundll32.exe

Sets service image path in registry 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Spooler\ImagePath = "Spoolsv.exe"	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1636	2564	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2044 wrote to memory of 2564	2044	rundll32.exe	30
PID 2564 wrote to memory of 1636	2564	rundll32.exe	31
PID 2564 wrote to memory of 1636	2564	rundll32.exe	31
PID 2564 wrote to memory of 1636	2564	rundll32.exe	31
PID 2564 wrote to memory of 1636	2564	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\516053d42d8b91d996061298d42877b9d3d37b854857c2d90b3f65a8f18b3758.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\516053d42d8b91d996061298d42877b9d3d37b854857c2d90b3f65a8f18b3758.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 232
    3⤵
    - Program crash
    PID:1636