e8a3784efe60cee49989ab5e77d489ce1f239f32f3b42931ea3dfae6116988c7

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/01/2025, 04:36

Target

e8a3784efe60cee49989ab5e77d489ce1f239f32f3b42931ea3dfae6116988c7.dll
Size

137KB
MD5

a0ed3e3e216e91620979e33c2d1225ad
SHA1

e83d6a87c4e7c9138091b0b70596e893082047ca
SHA256

e8a3784efe60cee49989ab5e77d489ce1f239f32f3b42931ea3dfae6116988c7
SHA512

f70789d11151f85f36f34b88788b06a2ccdef0ccba7219d74a79853131dab58120d3ecacbdde865b918fda8315a2d8722e003269f1c3534630f6a2e07b1dc162
SSDEEP

3072:ER02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuo:h25GgFny61mraG

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	2516	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 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2496 wrote to memory of 2516	2496	rundll32.exe	30
PID 2516 wrote to memory of 2196	2516	rundll32.exe	31
PID 2516 wrote to memory of 2196	2516	rundll32.exe	31
PID 2516 wrote to memory of 2196	2516	rundll32.exe	31
PID 2516 wrote to memory of 2196	2516	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8a3784efe60cee49989ab5e77d489ce1f239f32f3b42931ea3dfae6116988c7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8a3784efe60cee49989ab5e77d489ce1f239f32f3b42931ea3dfae6116988c7.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 228
    3⤵
    - Program crash
    PID:2196