cf179a8381999bedd961f8d46da9a45ea80cfcaf206d21a0ef783f320e99ebfc

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/03/2025, 05:10

Target

cf179a8381999bedd961f8d46da9a45ea80cfcaf206d21a0ef783f320e99ebfc.dll
Size

137KB
MD5

6678cf218cec264e948790de93f7e125
SHA1

b57127f262fc02db7c10bfe7bd5e6d53877e6e47
SHA256

cf179a8381999bedd961f8d46da9a45ea80cfcaf206d21a0ef783f320e99ebfc
SHA512

96b8c5c389019d65a512e4032d01946c3c1ab4bc6587bb453bc2f7bce5fe5b39c8194223e6bd284a7bfa163af2a315cc509b273d7c54b8cc8dfb03f5645fb62b
SSDEEP

3072:QR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuW:125GgFny61mraw

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
2716	2628	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 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2228 wrote to memory of 2628	2228	rundll32.exe	30
PID 2628 wrote to memory of 2716	2628	rundll32.exe	31
PID 2628 wrote to memory of 2716	2628	rundll32.exe	31
PID 2628 wrote to memory of 2716	2628	rundll32.exe	31
PID 2628 wrote to memory of 2716	2628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf179a8381999bedd961f8d46da9a45ea80cfcaf206d21a0ef783f320e99ebfc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf179a8381999bedd961f8d46da9a45ea80cfcaf206d21a0ef783f320e99ebfc.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:2628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 228
    3⤵
    - Program crash
    PID:2716