0454785c960f9a5d9f08d03a9cbead4095b1bd2aa2ca53a7c27d58ded6763e4e

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/03/2025, 19:15

Target

0454785c960f9a5d9f08d03a9cbead4095b1bd2aa2ca53a7c27d58ded6763e4e.dll
Size

137KB
MD5

0bd4f256cf782c65c6636974037342ea
SHA1

d522be8bbae4bf7d5acde0952f57fd5fb7fd9c88
SHA256

0454785c960f9a5d9f08d03a9cbead4095b1bd2aa2ca53a7c27d58ded6763e4e
SHA512

6d2dbc4aaac8025d55cbd05d7597c9df05cb44adf99434fe6e88bbab663117ea1cb33e86dc63a0ffaae2d805c8703ff46c0f74615e48ccaf205ec6b22fbf8811
SSDEEP

3072:gR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUug:l25GgFny61mraq

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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File created	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3004	1396	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 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 2776 wrote to memory of 1396	2776	rundll32.exe	30
PID 1396 wrote to memory of 3004	1396	rundll32.exe	31
PID 1396 wrote to memory of 3004	1396	rundll32.exe	31
PID 1396 wrote to memory of 3004	1396	rundll32.exe	31
PID 1396 wrote to memory of 3004	1396	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0454785c960f9a5d9f08d03a9cbead4095b1bd2aa2ca53a7c27d58ded6763e4e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0454785c960f9a5d9f08d03a9cbead4095b1bd2aa2ca53a7c27d58ded6763e4e.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1396 -s 228
    3⤵
    - Program crash
    PID:3004

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2836