gh0strat | f7ada664160c0ebe92d695b42d06c006754d2b369150dad8d1945616455f89a8

Analysis

max time kernel
143s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2025 05:18

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General

Target

f7ada664160c0ebe92d695b42d06c006754d2b369150dad8d1945616455f89a8.dll
Size

137KB
MD5

35b76493ca0dbff1cf95999b2934d238
SHA1

46c7fa9164d78c17de8161e8de3aec70941f5a82
SHA256

f7ada664160c0ebe92d695b42d06c006754d2b369150dad8d1945616455f89a8
SHA512

338495140481f0499b2b5971f3be2869706bc4cea0997d2ee6bcd2fc9595e9dacebe19ed3fc94bde56eb6c65ebd7ba3a9870cdeeb44e1ae38bd29af39d5c8f63
SSDEEP

3072:aR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUux:P25GgFny61mraP

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 6 IoCs

resource	yara_rule
behavioral2/memory/4232-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4232-10-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4232-19-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2852-28-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2852-26-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2852-49-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 28 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

persistence

Port Monitors

T1547.010

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\IPP	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\USB Monitor	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint\OfflinePorts	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\USB Monitor	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint\OfflinePorts	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\WSPrint	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor	Spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor\Driver = "scsimon.dll"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Adapters\IPP	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	rundll32.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe"	svchost.exe

ACProtect 1.3x - 1.4x DLL software 20 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/4232-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4232-9-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-5-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-10-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4232-14-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-13-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-15-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-12-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-20-0x0000000002E70000-0x0000000002E8D000-memory.dmp	acprotect
behavioral2/memory/4232-19-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2852-27-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2852-28-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2852-26-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2852-30-0x0000000000750000-0x000000000076D000-memory.dmp	acprotect
behavioral2/memory/2852-37-0x0000000000750000-0x000000000076D000-memory.dmp	acprotect
behavioral2/memory/2852-38-0x0000000000750000-0x000000000076D000-memory.dmp	acprotect
behavioral2/memory/2852-36-0x0000000000750000-0x000000000076D000-memory.dmp	acprotect
behavioral2/memory/2852-35-0x0000000000750000-0x000000000076D000-memory.dmp	acprotect
behavioral2/memory/2852-33-0x0000000000750000-0x000000000076D000-memory.dmp	acprotect
behavioral2/memory/2852-49-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Miscson.dll	svchost.exe
File created	C:\Windows\SysWOW64\Miscson.dll	svchost.exe
File opened for modification	C:\Windows\SysWOW64\scsimon.dll	svchost.exe
File created	C:\Windows\SysWOW64\scsimon.dll	svchost.exe
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4232 set thread context of 2852	4232	rundll32.exe	86

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File created	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe
File opened for modification	C:\Windows\AppPatch\AcSvcst.dll	rundll32.exe
File created	C:\Windows\AppPatch\AcSvcst.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
776	4232	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks SCSI registry key(s) 3 TTPs 24 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

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

Modifies data under HKEY_USERS 44 IoCs

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4232	rundll32.exe
Token: SeDebugPrivilege	2852	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 4232	3440	rundll32.exe	82
PID 3440 wrote to memory of 4232	3440	rundll32.exe	82
PID 3440 wrote to memory of 4232	3440	rundll32.exe	82
PID 4232 wrote to memory of 2852	4232	rundll32.exe	86
PID 4232 wrote to memory of 2852	4232	rundll32.exe	86
PID 4232 wrote to memory of 2852	4232	rundll32.exe	86
PID 4232 wrote to memory of 2852	4232	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7ada664160c0ebe92d695b42d06c006754d2b369150dad8d1945616455f89a8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7ada664160c0ebe92d695b42d06c006754d2b369150dad8d1945616455f89a8.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 628
    3⤵
    - Program crash
    PID:776
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe -k rundll32
    3⤵
    - Boot or Logon Autostart Execution: Port Monitors
    - Sets service image path in registry
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4232 -ip 4232
1⤵
PID:3928

C:\Windows\system32\Spoolsv.exe
Spoolsv.exe
1⤵
- Boot or Logon Autostart Execution: Port Monitors
- Checks SCSI registry key(s)
- Modifies data under HKEY_USERS
PID:1756

C:\Windows\system32\Spoolsv.exe
Spoolsv.exe
1⤵
- Boot or Logon Autostart Execution: Port Monitors
- Checks SCSI registry key(s)
- Modifies data under HKEY_USERS
PID:3756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\AppPatch\ComBack.Dll

Filesize
137KB

MD5
81d9f870c4399eb89c0d1314e7127591

SHA1
e76e7f4acf2fd4b709de33c9c88e1ffad12f515e

SHA256
ff5a4fde02f91e594c4004130f0eeda4b0155e3fea05edf4856ff9dae718c3de

SHA512
bc73bc3f7bab10d90c34696e66992a4de15b0f11d343a5ff2a0f53d0ea45d6c5e8ed803629386c325669e926fe73c9d3e8498298ac9c24f75c704eaa21e231c0

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

Filesize
128B

MD5
69cd1ae0faf3d7115b74ef18e68c1876

SHA1
3e789ba7e7186ac7b8493f578a29dd16586ec22f

SHA256
758b84ad9684313a3d7e8cbb85cb561521c2243c5b0b07e793d90bd2de10b717

SHA512
12b9f58319ce0d82521ce460e90b48ee3c30792eec6ca3bcfa5e40f7feb72b49c921901692a7d95a240c7a938d7a2b63999a6c864b3609a3123ac8dca865f474

Download Submit
memory/2852-16-0x0000000000480000-0x00000000004A3000-memory.dmp

Filesize
140KB

Download
memory/2852-18-0x0000000000620000-0x0000000000647000-memory.dmp

Filesize
156KB

Download
memory/2852-33-0x0000000000750000-0x000000000076D000-memory.dmp

Filesize
116KB

Download
memory/2852-35-0x0000000000750000-0x000000000076D000-memory.dmp

Filesize
116KB

Download
memory/2852-36-0x0000000000750000-0x000000000076D000-memory.dmp

Filesize
116KB

Download
memory/2852-38-0x0000000000750000-0x000000000076D000-memory.dmp

Filesize
116KB

Download
memory/2852-28-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2852-29-0x0000000000620000-0x0000000000647000-memory.dmp

Filesize
156KB

Download
memory/2852-37-0x0000000000750000-0x000000000076D000-memory.dmp

Filesize
116KB

Download
memory/2852-30-0x0000000000750000-0x000000000076D000-memory.dmp

Filesize
116KB

Download
memory/2852-26-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2852-47-0x0000000000620000-0x0000000000647000-memory.dmp

Filesize
156KB

Download
memory/2852-49-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2852-27-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4232-15-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download
memory/4232-19-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4232-22-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/4232-20-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download
memory/4232-12-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download
memory/4232-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4232-13-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download
memory/4232-14-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download
memory/4232-10-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4232-5-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download
memory/4232-9-0x0000000002E70000-0x0000000002E8D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads