gh0strat | 0f063869b6f1d1a742ae03d1fdf9fcb9a30feb5f5eb3d20290f05ba79294b4f7

General

Target

0f063869b6f1d1a742ae03d1fdf9fcb9a30feb5f5eb3d20290f05ba79294b4f7.dll
Size

137KB
MD5

9d04dc53a42bfacb65f571c551998252
SHA1

0a6de78ccee1b87877eec051dfb4a2c23e558039
SHA256

0f063869b6f1d1a742ae03d1fdf9fcb9a30feb5f5eb3d20290f05ba79294b4f7
SHA512

9ed040b62ba69876d797ded552258d328054e0d912543e0e2468d5e1eae2409b3c272ee350fcfa8b7b245b0677f376ba75695168290224ce3c486eb17a9afc4f
SSDEEP

3072:SR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu/:325GgFny61mral

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3812-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/3812-7-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/3812-32-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4920-36-0x0000000010000000-0x000000001001C000-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 16 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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	svchost.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	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\SCSI Port Monitor	rundll32.exe
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\WSD Port\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\Appmon\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\WSD Port\Adapters\WSPrint	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port	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\Adapters\WSPrint\OfflinePorts	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\USB Monitor	Spoolsv.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 17 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/3812-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/3812-7-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/3812-8-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/3812-15-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/3812-14-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/3812-12-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/3812-13-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/3812-6-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/4920-24-0x0000000002B50000-0x0000000002B6D000-memory.dmp	acprotect
behavioral2/memory/4920-27-0x0000000002B50000-0x0000000002B6D000-memory.dmp	acprotect
behavioral2/memory/4920-25-0x0000000002B50000-0x0000000002B6D000-memory.dmp	acprotect
behavioral2/memory/4920-29-0x0000000002B50000-0x0000000002B6D000-memory.dmp	acprotect
behavioral2/memory/4920-30-0x0000000002B50000-0x0000000002B6D000-memory.dmp	acprotect
behavioral2/memory/4920-28-0x0000000002B50000-0x0000000002B6D000-memory.dmp	acprotect
behavioral2/memory/3812-32-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/3812-31-0x0000000002A90000-0x0000000002AAD000-memory.dmp	acprotect
behavioral2/memory/4920-36-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 6 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3812 set thread context of 4920	3812	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
4488	3812	WerFault.exe	83

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 12 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\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_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\HardwareID	Spoolsv.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\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	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\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&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

Modifies data under HKEY_USERS 22 IoCs

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3812	rundll32.exe
Token: SeDebugPrivilege	4920	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3812	1528	rundll32.exe	83
PID 1528 wrote to memory of 3812	1528	rundll32.exe	83
PID 1528 wrote to memory of 3812	1528	rundll32.exe	83
PID 3812 wrote to memory of 4920	3812	rundll32.exe	86
PID 3812 wrote to memory of 4920	3812	rundll32.exe	86
PID 3812 wrote to memory of 4920	3812	rundll32.exe	86
PID 3812 wrote to memory of 4920	3812	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f063869b6f1d1a742ae03d1fdf9fcb9a30feb5f5eb3d20290f05ba79294b4f7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f063869b6f1d1a742ae03d1fdf9fcb9a30feb5f5eb3d20290f05ba79294b4f7.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:3812
- - 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:4920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 616
    3⤵
    - Program crash
    PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3812 -ip 3812
1⤵
PID:2796

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:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Port Monitors

1

T1547.010

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Port Monitors

1

T1547.010

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\AppPatch\ComBack.Dll

Filesize
137KB

MD5
799667f165699c0890e55637e8043476

SHA1
90dedb9d99a32441d4dba68d519707a49b12d6a5

SHA256
ad86141438dfc05c2b7ad3fd7fe0d77b1513eabc1cf0af3616df3c043ebbb01d

SHA512
c7ee10bee80c00dc1df039707afe502f959013cb017a816de83e7e297318aec22f5f53cb05245292c3fa554e9ff9231081ea44f467634bba10b2daaacbf53d41

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

Filesize
128B

MD5
bebfe210bd6e058d3b315ddaa1e214bc

SHA1
89071967759c722112194c0e5e74858055dd00c2

SHA256
f6101f058cec760ef359a2e64ae05992dc79b20b18e40c750e585ec75bc58b14

SHA512
b5dacbb5af29b5b8c99bf7489eccb4effe8f53d91e6baeca2fc97b5ca9635693af856f0a5c2be0149639e8c9b09511ffdb16a6f02148ad073c7f85282b43ec53

Download Submit
memory/3812-13-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-14-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-7-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3812-12-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/3812-6-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-15-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-34-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/3812-31-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-8-0x0000000002A90000-0x0000000002AAD000-memory.dmp

Filesize
116KB

Download
memory/3812-32-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4920-16-0x0000000000530000-0x0000000000553000-memory.dmp

Filesize
140KB

Download
memory/4920-17-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/4920-25-0x0000000002B50000-0x0000000002B6D000-memory.dmp

Filesize
116KB

Download
memory/4920-29-0x0000000002B50000-0x0000000002B6D000-memory.dmp

Filesize
116KB

Download
memory/4920-30-0x0000000002B50000-0x0000000002B6D000-memory.dmp

Filesize
116KB

Download
memory/4920-28-0x0000000002B50000-0x0000000002B6D000-memory.dmp

Filesize
116KB

Download
memory/4920-36-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4920-27-0x0000000002B50000-0x0000000002B6D000-memory.dmp

Filesize
116KB

Download
memory/4920-18-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/4920-35-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/4920-24-0x0000000002B50000-0x0000000002B6D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads