db5d4e3b0693ba3003de1321f61d9bd75886c54095ea3500cc95479a77258e54

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 12:42

Target

db5d4e3b0693ba3003de1321f61d9bd75886c54095ea3500cc95479a77258e54.dll
Size

137KB
MD5

41d39994598efec3cae644819893cb66
SHA1

41abed9c00de718d43df984029036404561e2109
SHA256

db5d4e3b0693ba3003de1321f61d9bd75886c54095ea3500cc95479a77258e54
SHA512

2241dd28d4f574d8969ff6fda359d980b19f220c8b3a035e9ef104ee0df517cc63a3298b6616a315ba60d7d03fbc32accf9a370d850137fc1595958b8365a74f
SSDEEP

3072:WR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu:T25GgFny61mra

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
652	2056	WerFault.exe	29

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 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 3004 wrote to memory of 2056	3004	rundll32.exe	29
PID 2056 wrote to memory of 652	2056	rundll32.exe	30
PID 2056 wrote to memory of 652	2056	rundll32.exe	30
PID 2056 wrote to memory of 652	2056	rundll32.exe	30
PID 2056 wrote to memory of 652	2056	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\db5d4e3b0693ba3003de1321f61d9bd75886c54095ea3500cc95479a77258e54.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\db5d4e3b0693ba3003de1321f61d9bd75886c54095ea3500cc95479a77258e54.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:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 232
    3⤵
    - Program crash
    PID:652

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2884