18c2663bedce7f2ca497f25c206ea377b6a966614e0acd194bb9613f1d2270b9

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03/03/2025, 20:29

Target

18c2663bedce7f2ca497f25c206ea377b6a966614e0acd194bb9613f1d2270b9.dll
Size

137KB
MD5

be9379f9d03927aa341b48410c17c459
SHA1

c0702d064b8abc199cec73dba0539c541715f4b0
SHA256

18c2663bedce7f2ca497f25c206ea377b6a966614e0acd194bb9613f1d2270b9
SHA512

e47f0611a8c4c687e5fc7a598f78bd1b4efc48ed4a16344c5e1f42038fefe4c38170ed9cbb6b2da076d01dc619eef5f3b8d566b918a18f8ada76c96e181a9729
SSDEEP

3072:rR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuQ:G25GgFny61mraK

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
2120	1812	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 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1156 wrote to memory of 1812	1156	rundll32.exe	30
PID 1812 wrote to memory of 2120	1812	rundll32.exe	31
PID 1812 wrote to memory of 2120	1812	rundll32.exe	31
PID 1812 wrote to memory of 2120	1812	rundll32.exe	31
PID 1812 wrote to memory of 2120	1812	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c2663bedce7f2ca497f25c206ea377b6a966614e0acd194bb9613f1d2270b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\18c2663bedce7f2ca497f25c206ea377b6a966614e0acd194bb9613f1d2270b9.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:1812
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 228
    3⤵
    - Program crash
    PID:2120