969287063556481929a300da954ecbf79233640a8d81ddc4535bc0cff0832a50

Analysis

max time kernel
93s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02/03/2025, 02:26

Target

969287063556481929a300da954ecbf79233640a8d81ddc4535bc0cff0832a50.dll
Size

137KB
MD5

2a064f5f0a85de2ab65e8810099b1964
SHA1

9dffbf55d4c79eb9165b9a75a1ef8249f9cc1f33
SHA256

969287063556481929a300da954ecbf79233640a8d81ddc4535bc0cff0832a50
SHA512

85519a1121820538d7383a14c1d165a1a2dd360fe99c7a14254b68b654de8cef60e0636bc4883be9037be2920d0955a3370f10735806cff0a5c8ae2b9bca4d40
SSDEEP

3072:zR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu3:e25GgFny61mraB

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
2444	1940	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 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1232 wrote to memory of 1940	1232	rundll32.exe	30
PID 1940 wrote to memory of 2444	1940	rundll32.exe	31
PID 1940 wrote to memory of 2444	1940	rundll32.exe	31
PID 1940 wrote to memory of 2444	1940	rundll32.exe	31
PID 1940 wrote to memory of 2444	1940	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\969287063556481929a300da954ecbf79233640a8d81ddc4535bc0cff0832a50.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\969287063556481929a300da954ecbf79233640a8d81ddc4535bc0cff0832a50.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:1940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 228
    3⤵
    - Program crash
    PID:2444