gh0strat | 6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139

General

Target

6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139.dll
Size

137KB
MD5

b951f7bbef801f1053b4fafbabde1848
SHA1

b22fed43940cde62ce187c8dffb07a457255552c
SHA256

6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139
SHA512

8722a752cc4c662b8ff908c4303f663d35db1bd98a94e0472fac1a5c5ae6a7bae66ff0f375b9089fe010db53efc9c88ce5163a88ddede40f7655e47104642f66
SSDEEP

3072:7R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuH:225GgFny61mraZ

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/4268-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4268-4-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4268-14-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1400-22-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4268-32-0x0000000010000000-0x000000001001C000-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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	4268	rundll32.exe

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\Appmon\Ports	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"	rundll32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon	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\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\WSD Port\Adapters\WSPrint	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port\Ports	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\Local Port	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\USB Monitor	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	rundll32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\SCSI Port Monitor	svchost.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 16 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/4268-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4268-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4268-6-0x0000000002B20000-0x0000000002B3D000-memory.dmp	acprotect
behavioral2/memory/4268-12-0x0000000002B20000-0x0000000002B3D000-memory.dmp	acprotect
behavioral2/memory/4268-14-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4268-16-0x0000000002B20000-0x0000000002B3D000-memory.dmp	acprotect
behavioral2/memory/4268-13-0x0000000002B20000-0x0000000002B3D000-memory.dmp	acprotect
behavioral2/memory/4268-9-0x0000000002B20000-0x0000000002B3D000-memory.dmp	acprotect
behavioral2/memory/4268-11-0x0000000002B20000-0x0000000002B3D000-memory.dmp	acprotect
behavioral2/memory/1400-22-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1400-26-0x0000000002AD0000-0x0000000002AED000-memory.dmp	acprotect
behavioral2/memory/1400-30-0x0000000002AD0000-0x0000000002AED000-memory.dmp	acprotect
behavioral2/memory/1400-31-0x0000000002AD0000-0x0000000002AED000-memory.dmp	acprotect
behavioral2/memory/1400-29-0x0000000002AD0000-0x0000000002AED000-memory.dmp	acprotect
behavioral2/memory/1400-28-0x0000000002AD0000-0x0000000002AED000-memory.dmp	acprotect
behavioral2/memory/4268-32-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 6 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 1400	4268	rundll32.exe	91

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\AppPatch\AcSvcst.dll	rundll32.exe
File created	C:\Windows\AppPatch\AcSvcst.dll	rundll32.exe
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
1976	4268	WerFault.exe	87

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\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&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\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	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_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&000002	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\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

Modifies data under HKEY_USERS 22 IoCs

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	rundll32.exe
Token: SeDebugPrivilege	1400	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 4268	2728	rundll32.exe	87
PID 2728 wrote to memory of 4268	2728	rundll32.exe	87
PID 2728 wrote to memory of 4268	2728	rundll32.exe	87
PID 4268 wrote to memory of 1400	4268	rundll32.exe	91
PID 4268 wrote to memory of 1400	4268	rundll32.exe	91
PID 4268 wrote to memory of 1400	4268	rundll32.exe	91
PID 4268 wrote to memory of 1400	4268	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6eb043d63860b370cc4eefea3fe0c46a136fe15b1116886e55db8139a8fde139.dll,#1
  2⤵
  - Blocklisted process makes network request
  - 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:4268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 616
    3⤵
    - Program crash
    PID:1976
- - 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:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4268 -ip 4268
1⤵
PID:2964

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:436

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
422257a13eb2cb3c1c3a5ce754f66a3f

SHA1
c6c4ca38b497b27d8f27fb12157f2bc7f8b9044e

SHA256
8fa030f6e2656490222924dac89f68ebf79e78699e8fb3c998555041b1a259a0

SHA512
2e0858a5e974b8a41a7614cf93fbbf6475c5b23ca447268c309f819761f0918f33c335685de8245dbf5ed491dc3911531ce6a62ca2ca549d6a420ed573c10b4a

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

Filesize
128B

MD5
71f1664cdf6aecee0ce1b2b14b436758

SHA1
35dae216c23faf99398786e95d847b276f098d6d

SHA256
2ebba23926ebb8fbd6a5612f851c9e918edf73248370fd24521548ca0c2f6288

SHA512
6fd2af5dd83316dfce798a81ea33978fd5fdab8b5ffe1997762938d880e25eae9d7cfcf26a5017286dd929d33947fbccc2db9675fc3418cb632b682dba380a74

Download Submit
memory/1400-26-0x0000000002AD0000-0x0000000002AED000-memory.dmp

Filesize
116KB

Download
memory/1400-29-0x0000000002AD0000-0x0000000002AED000-memory.dmp

Filesize
116KB

Download
memory/1400-36-0x0000000000C90000-0x0000000000CB7000-memory.dmp

Filesize
156KB

Download
memory/1400-18-0x0000000000C90000-0x0000000000CB7000-memory.dmp

Filesize
156KB

Download
memory/1400-17-0x00000000006C0000-0x00000000006E3000-memory.dmp

Filesize
140KB

Download
memory/1400-28-0x0000000002AD0000-0x0000000002AED000-memory.dmp

Filesize
116KB

Download
memory/1400-15-0x0000000000C90000-0x0000000000CB7000-memory.dmp

Filesize
156KB

Download
memory/1400-31-0x0000000002AD0000-0x0000000002AED000-memory.dmp

Filesize
116KB

Download
memory/1400-30-0x0000000002AD0000-0x0000000002AED000-memory.dmp

Filesize
116KB

Download
memory/1400-22-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4268-6-0x0000000002B20000-0x0000000002B3D000-memory.dmp

Filesize
116KB

Download
memory/4268-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4268-11-0x0000000002B20000-0x0000000002B3D000-memory.dmp

Filesize
116KB

Download
memory/4268-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4268-9-0x0000000002B20000-0x0000000002B3D000-memory.dmp

Filesize
116KB

Download
memory/4268-13-0x0000000002B20000-0x0000000002B3D000-memory.dmp

Filesize
116KB

Download
memory/4268-12-0x0000000002B20000-0x0000000002B3D000-memory.dmp

Filesize
116KB

Download
memory/4268-16-0x0000000002B20000-0x0000000002B3D000-memory.dmp

Filesize
116KB

Download
memory/4268-32-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4268-35-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/4268-14-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads