e30a668e66b43c6399a98d8c9b83478068e770ee7971588cb3aad246361739a2

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 13:26

Target

e30a668e66b43c6399a98d8c9b83478068e770ee7971588cb3aad246361739a2.dll
Size

137KB
MD5

aeb14d32b117b9ec6d1a6fbbfdb0db6b
SHA1

4677a84f2c3504d2fcdad19a62a1824d56580b80
SHA256

e30a668e66b43c6399a98d8c9b83478068e770ee7971588cb3aad246361739a2
SHA512

d522a1f4cf8da1bbe16cb9d7042fa83b8cc4b1ee45ca9b157c498f8949a691719e79424dae8cebedce4e4c6d1a0f0b41776ec438c846bf66a9a1de549d7d76f1
SSDEEP

3072:bR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuL:W25GgFny61mra5

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
1212	1628	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 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1620 wrote to memory of 1628	1620	rundll32.exe	30
PID 1628 wrote to memory of 1212	1628	rundll32.exe	31
PID 1628 wrote to memory of 1212	1628	rundll32.exe	31
PID 1628 wrote to memory of 1212	1628	rundll32.exe	31
PID 1628 wrote to memory of 1212	1628	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e30a668e66b43c6399a98d8c9b83478068e770ee7971588cb3aad246361739a2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e30a668e66b43c6399a98d8c9b83478068e770ee7971588cb3aad246361739a2.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:1628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 228
    3⤵
    - Program crash
    PID:1212