b010d2864feeb0a22408a6b8da6be8e7eb5b89f9de0a4f615ae097080843647f

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04/03/2025, 05:26

Target

b010d2864feeb0a22408a6b8da6be8e7eb5b89f9de0a4f615ae097080843647f.dll
Size

137KB
MD5

9163475dbaf9a5b55fcdd56bbf9a6909
SHA1

9e4f41dd4c0d1f398bf72a2baa2d2c3294c2af3e
SHA256

b010d2864feeb0a22408a6b8da6be8e7eb5b89f9de0a4f615ae097080843647f
SHA512

fa6e635a78f5fc73d5c31ed8424e76c28dfd7eed19328da8fd75f609aa091b94e0239335391aedef6fc062f6dc2c0b3d2ca8fde28164bd4fc4318057660a870e
SSDEEP

3072:PR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUut:y25GgFny61mraT

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
2740	2656	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 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2660 wrote to memory of 2656	2660	rundll32.exe	30
PID 2656 wrote to memory of 2740	2656	rundll32.exe	31
PID 2656 wrote to memory of 2740	2656	rundll32.exe	31
PID 2656 wrote to memory of 2740	2656	rundll32.exe	31
PID 2656 wrote to memory of 2740	2656	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b010d2864feeb0a22408a6b8da6be8e7eb5b89f9de0a4f615ae097080843647f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b010d2864feeb0a22408a6b8da6be8e7eb5b89f9de0a4f615ae097080843647f.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:2656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 228
    3⤵
    - Program crash
    PID:2740