c04cc53bcb84ccd050673d280519929283ebff8784e662bce90ced602fe8941d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/03/2025, 04:37

Target

c04cc53bcb84ccd050673d280519929283ebff8784e662bce90ced602fe8941d.dll
Size

137KB
MD5

5e2b76b37351386b7de80cfe4965cffc
SHA1

87069088205a72004005b9aff1e1fa7ed58c1693
SHA256

c04cc53bcb84ccd050673d280519929283ebff8784e662bce90ced602fe8941d
SHA512

04cfc8e1884d0aec53be36e533ec4587a5220491f2e6e2525fbb21da64ee19b83f735623b8b686bac877a1187664158dc531a57e3c21ef28fff1f0d37b32e5a8
SSDEEP

3072:lR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuw:o25GgFny61mrai

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
1724	1148	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 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1576 wrote to memory of 1148	1576	rundll32.exe	30
PID 1148 wrote to memory of 1724	1148	rundll32.exe	31
PID 1148 wrote to memory of 1724	1148	rundll32.exe	31
PID 1148 wrote to memory of 1724	1148	rundll32.exe	31
PID 1148 wrote to memory of 1724	1148	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c04cc53bcb84ccd050673d280519929283ebff8784e662bce90ced602fe8941d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c04cc53bcb84ccd050673d280519929283ebff8784e662bce90ced602fe8941d.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:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 228
    3⤵
    - Program crash
    PID:1724