058afef9f4095cf4468884a4b05f0afb32646991435954ab459afd8b6ffcd009

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/03/2025, 19:23

Target

058afef9f4095cf4468884a4b05f0afb32646991435954ab459afd8b6ffcd009.dll
Size

137KB
MD5

aef81d667e4a8e09df93abcf6c76ee27
SHA1

5073ff1d5245a143f54398a63ca9bf8e1baccaae
SHA256

058afef9f4095cf4468884a4b05f0afb32646991435954ab459afd8b6ffcd009
SHA512

43381b923130b3954cab0503bb85c44b45cf16d00b8581f1dfad92c6d87db095bffc3fb8546789f215be65c96731ff8142e8af089e473fcbcef65fbe07c3725d
SSDEEP

3072:pR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuP:k25GgFny61mraJ

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	2592	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 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2812 wrote to memory of 2592	2812	rundll32.exe	29
PID 2592 wrote to memory of 1780	2592	rundll32.exe	30
PID 2592 wrote to memory of 1780	2592	rundll32.exe	30
PID 2592 wrote to memory of 1780	2592	rundll32.exe	30
PID 2592 wrote to memory of 1780	2592	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\058afef9f4095cf4468884a4b05f0afb32646991435954ab459afd8b6ffcd009.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\058afef9f4095cf4468884a4b05f0afb32646991435954ab459afd8b6ffcd009.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 228
    3⤵
    - Program crash
    PID:1780

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2536