8704cf10ed92c88641acbd37f6b4f62ef95c85fb7b630e00e57d7b522d9492e7

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
27-01-2025 01:55

Target

8704cf10ed92c88641acbd37f6b4f62ef95c85fb7b630e00e57d7b522d9492e7.dll
Size

137KB
MD5

de3cfd203d40a4be55c8366cf203f39a
SHA1

8c0ce7bc3e35bac8a09bccfdddea49d6d6f7c6e8
SHA256

8704cf10ed92c88641acbd37f6b4f62ef95c85fb7b630e00e57d7b522d9492e7
SHA512

fb4b24226730765b06a7a9a08fa60cc1a3dbbb23eec8e57f777562028c68e33a1924fd88e9193b66889f4bd16be076b20a6af2f8b01173d9022b07f49b76be7f
SSDEEP

3072:SR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu1:325GgFny61mrar

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
2176	1280	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 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 2068 wrote to memory of 1280	2068	rundll32.exe	31
PID 1280 wrote to memory of 2176	1280	rundll32.exe	32
PID 1280 wrote to memory of 2176	1280	rundll32.exe	32
PID 1280 wrote to memory of 2176	1280	rundll32.exe	32
PID 1280 wrote to memory of 2176	1280	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8704cf10ed92c88641acbd37f6b4f62ef95c85fb7b630e00e57d7b522d9492e7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8704cf10ed92c88641acbd37f6b4f62ef95c85fb7b630e00e57d7b522d9492e7.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:1280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 228
    3⤵
    - Program crash
    PID:2176

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2484