6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139

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
02/03/2025, 00:30

Target

6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139.dll
Size

137KB
MD5

b951f7bbef801f1053b4fafbabde1848
SHA1

b22fed43940cde62ce187c8dffb07a457255552c
SHA256

6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139
SHA512

8722a752cc4c662b8ff908c4303f663d35db1bd98a94e0472fac1a5c5ae6a7bae66ff0f375b9089fe010db53efc9c88ce5163a88ddede40f7655e47104642f66
SSDEEP

3072:7R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuH:225GgFny61mraZ

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
1992	1792	WerFault.exe	31

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 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1928 wrote to memory of 1792	1928	rundll32.exe	31
PID 1792 wrote to memory of 1992	1792	rundll32.exe	32
PID 1792 wrote to memory of 1992	1792	rundll32.exe	32
PID 1792 wrote to memory of 1992	1792	rundll32.exe	32
PID 1792 wrote to memory of 1992	1792	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139.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:1792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 228
    3⤵
    - Program crash
    PID:1992

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2212