Malware Analysis Report

2024-12-07 03:17

Sample ID 241114-c6gqcatcrk
Target 5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.exe
SHA256 5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844
Tags
discovery persistence gh0strat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844

Threat Level: Known bad

The file 5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.exe was found to be: Known bad.

Malicious Activity Summary

discovery persistence gh0strat rat

Gh0strat

Gh0strat family

Gh0st RAT payload

Sets service image path in registry

Boot or Logon Autostart Execution: Port Monitors

ACProtect 1.3x - 1.4x DLL software

Drops file in System32 directory

Suspicious use of SetThreadContext

Drops file in Windows directory

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 02:41

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 02:41

Reported

2024-11-14 02:43

Platform

win7-20241010-en

Max time kernel

106s

Max time network

19s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1

Signatures

Boot or Logon Autostart Execution: Port Monitors

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor C:\Windows\SysWOW64\rundll32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" C:\Windows\SysWOW64\rundll32.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Spooler\ImagePath = "Spoolsv.exe" C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\com\comb.dll C:\Windows\SysWOW64\rundll32.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\AppPatch\ComBack.Dll C:\Windows\SysWOW64\rundll32.exe N/A
File created C:\Windows\AppPatch\ComBack.Dll C:\Windows\SysWOW64\rundll32.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 232

C:\Windows\System32\rundll32.exe

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

Network

N/A

Files

memory/2340-4-0x0000000043E50000-0x0000000043E77000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 02:41

Reported

2024-11-14 02:43

Platform

win10v2004-20241007-en

Max time kernel

107s

Max time network

96s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
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Gh0strat

rat gh0strat

Gh0strat family

gh0strat

Boot or Logon Autostart Execution: Port Monitors

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" C:\Windows\SysWOW64\rundll32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll" C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint\OfflinePorts C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor C:\Windows\SysWOW64\rundll32.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\USB Monitor C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\IPP C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\USB Monitor C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Ports C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\IPP C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor C:\Windows\SysWOW64\svchost.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint\OfflinePorts C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Ports C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports C:\Windows\system32\Spoolsv.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" C:\Windows\SysWOW64\rundll32.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe" C:\Windows\SysWOW64\svchost.exe N/A

ACProtect 1.3x - 1.4x DLL software

Description Indicator Process Target
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Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\scsimon.dll C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\scsimon.dll C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\com\comb.dll C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification C:\Windows\SysWOW64\com\comb.dll C:\Windows\SysWOW64\svchost.exe N/A
File opened for modification C:\Windows\SysWOW64\Miscson.dll C:\Windows\SysWOW64\svchost.exe N/A
File created C:\Windows\SysWOW64\Miscson.dll C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1668 set thread context of 884 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\AppPatch\ComBack.Dll C:\Windows\SysWOW64\rundll32.exe N/A
File created C:\Windows\AppPatch\ComBack.Dll C:\Windows\SysWOW64\rundll32.exe N/A
File opened for modification C:\Windows\AppPatch\AcSvcst.dll C:\Windows\SysWOW64\rundll32.exe N/A
File created C:\Windows\AppPatch\AcSvcst.dll C:\Windows\SysWOW64\rundll32.exe N/A

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000 C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001 C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{3b2ce006-5e61-4fde-bab8-9b8aac9b26df}\0002 C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\HardwareID C:\Windows\system32\Spoolsv.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID C:\Windows\system32\Spoolsv.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Send To OneNote 2016 = "winspool,nul:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Send To OneNote 2016 = "winspool,nul:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Send To OneNote 2016 = "winspool,nul:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Send To OneNote 2016 = "winspool,nul:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Devices C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Send To OneNote 2016 = "winspool,nul:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne02:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Send To OneNote 2016 = "winspool,nul:" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Devices C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Send To OneNote 2016 = "winspool,nul:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft Print to PDF = "winspool,Ne01:,15,45" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne02:" C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts C:\Windows\system32\Spoolsv.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Send To OneNote 2016 = "winspool,nul:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:" C:\Windows\system32\Spoolsv.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft Print to PDF = "winspool,Ne01:" C:\Windows\system32\Spoolsv.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\rundll32.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\svchost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3760 wrote to memory of 1668 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3760 wrote to memory of 1668 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3760 wrote to memory of 1668 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1668 wrote to memory of 884 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 884 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 884 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1668 wrote to memory of 884 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5f13d201e227857558c902ec71da7810514cdc3c10a908b9dd2aeea7db7844.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1668 -ip 1668

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 616

C:\Windows\SysWOW64\svchost.exe

C:\Windows\system32\svchost.exe -k rundll32

C:\Windows\system32\Spoolsv.exe

Spoolsv.exe

C:\Windows\system32\Spoolsv.exe

Spoolsv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 Guffery.3322.org udp
CN 221.10.93.196:2499 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 Guffery.3322.org udp
CN 221.10.93.196:2500 tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 Guffery.meibu.com udp
US 8.8.8.8:53 Huffery.meibu.com udp
JP 20.210.205.20:4425 Huffery.meibu.com tcp
US 8.8.8.8:53 Guffery.meibu.com udp
US 8.8.8.8:53 Huffery.meibu.com udp
JP 20.210.205.20:4426 Huffery.meibu.com tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1668-5-0x0000000010000000-0x000000001001C000-memory.dmp

memory/1668-6-0x0000000010000000-0x000000001001C000-memory.dmp

memory/1668-13-0x0000000002A80000-0x0000000002A9D000-memory.dmp

memory/1668-18-0x0000000010000000-0x000000001001C000-memory.dmp

memory/884-21-0x0000000001040000-0x0000000001067000-memory.dmp

memory/884-20-0x0000000000AA0000-0x0000000000AC3000-memory.dmp

memory/884-16-0x0000000001040000-0x0000000001067000-memory.dmp

memory/1668-14-0x0000000002A80000-0x0000000002A9D000-memory.dmp

memory/1668-12-0x0000000002A80000-0x0000000002A9D000-memory.dmp

memory/1668-7-0x0000000002A80000-0x0000000002A9D000-memory.dmp

memory/1668-10-0x0000000002A80000-0x0000000002A9D000-memory.dmp

memory/1668-22-0x0000000043E50000-0x0000000043E77000-memory.dmp

C:\Windows\AppPatch\ComBack.Dll

MD5 6daf04565c14357f3e855cec2ccb510b
SHA1 168357fd477db856ed2527e2baf9833a40f59ab3
SHA256 40bfc661512e65143162d2eece51f12d5df0eb3b40a7d4162cd57ec8f0b5d8c8
SHA512 4848a5e3494de64e0d73bd7c7c495b1106dd6e6b697c5ddd35b14fd37fdff56cbfa17d39ef1c1aae9f4da7e594a49666a57a3866505ecb182788fd2e6fd39111

memory/884-26-0x0000000001040000-0x0000000001067000-memory.dmp

C:\Windows\SysWOW64\com\comb.dll

MD5 89f27b9bc70c4d39f4e62de5568f666f
SHA1 22bf9f199cb1f57a515809c00f0127555591ccc3
SHA256 e5d5bd8e47b93548027150445de43cdbb62d598221499d7dc3574fc94b3de3f5
SHA512 8b13b9f353a16b5853b3a72d554d0bcb7879e7236d21a7ae1cf80d62331dd0f5e464478cfbad89a8e0dace5b78b2e658476760ba5b27cbcd1c72d30d0483bc5f

memory/884-28-0x0000000010000000-0x000000001001C000-memory.dmp

memory/884-30-0x0000000002C30000-0x0000000002C4D000-memory.dmp

memory/884-29-0x0000000010000000-0x000000001001C000-memory.dmp

memory/884-31-0x0000000002C30000-0x0000000002C4D000-memory.dmp

memory/884-36-0x0000000002C30000-0x0000000002C4D000-memory.dmp

memory/884-37-0x0000000002C30000-0x0000000002C4D000-memory.dmp

memory/884-38-0x0000000002C30000-0x0000000002C4D000-memory.dmp

memory/884-35-0x0000000002C30000-0x0000000002C4D000-memory.dmp

memory/884-47-0x0000000001040000-0x0000000001067000-memory.dmp

memory/884-49-0x0000000010000000-0x000000001001C000-memory.dmp