gh0strat | f0e2669109f9afda4b88e0ad1966274fa1ae997d37973385925ae17221d413b2

General

Target

f0e2669109f9afda4b88e0ad1966274fa1ae997d37973385925ae17221d413b2.dll
Size

137KB
MD5

9ad6bdcb654df28a4f781d5faf3a0def
SHA1

c2848b506a1ebba820973ea6a77adc9c2546a547
SHA256

f0e2669109f9afda4b88e0ad1966274fa1ae997d37973385925ae17221d413b2
SHA512

b48d8af65e83e504a8dcc04562dfbb5bc1bf1972c2425d72196beb147bee9a01ee4b3ba38433b0a5d87b5e653ffab3241e37408cc50d2df6c46a6245ad3824b0
SSDEEP

3072:RR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuw:825GgFny61mrai

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/1740-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1740-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2716-23-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1740-36-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2716-38-0x0000000010000000-0x000000001001C000-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\Appmon	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\SCSI Port Monitor	svchost.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	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	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\SCSI Port Monitor	rundll32.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\WSD Port\Adapters\IPP	Spoolsv.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 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 18 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/1740-7-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1740-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1740-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1740-10-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1740-14-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1740-16-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1740-12-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1740-13-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/2716-23-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2716-25-0x0000000002A70000-0x0000000002A8D000-memory.dmp	acprotect
behavioral2/memory/2716-26-0x0000000002A70000-0x0000000002A8D000-memory.dmp	acprotect
behavioral2/memory/2716-30-0x0000000002A70000-0x0000000002A8D000-memory.dmp	acprotect
behavioral2/memory/2716-31-0x0000000002A70000-0x0000000002A8D000-memory.dmp	acprotect
behavioral2/memory/2716-29-0x0000000002A70000-0x0000000002A8D000-memory.dmp	acprotect
behavioral2/memory/2716-28-0x0000000002A70000-0x0000000002A8D000-memory.dmp	acprotect
behavioral2/memory/1740-32-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1740-36-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2716-38-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 6 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 2716	1740	rundll32.exe	89

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
1364	1740	WerFault.exe	86

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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_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 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&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 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\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

Modifies data under HKEY_USERS 22 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts	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\Devices\Fax = "winspool,Ne02:"	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-1-5-20\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\Devices\Send To OneNote 2016 = "winspool,nul:"	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\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
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
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
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\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-1-5-19\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\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\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\Send To OneNote 2016 = "winspool,nul:"	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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	rundll32.exe
Token: SeDebugPrivilege	2716	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 1740	60	rundll32.exe	86
PID 60 wrote to memory of 1740	60	rundll32.exe	86
PID 60 wrote to memory of 1740	60	rundll32.exe	86
PID 1740 wrote to memory of 2716	1740	rundll32.exe	89
PID 1740 wrote to memory of 2716	1740	rundll32.exe	89
PID 1740 wrote to memory of 2716	1740	rundll32.exe	89
PID 1740 wrote to memory of 2716	1740	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f0e2669109f9afda4b88e0ad1966274fa1ae997d37973385925ae17221d413b2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:60
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f0e2669109f9afda4b88e0ad1966274fa1ae997d37973385925ae17221d413b2.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:1740
- - 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:2716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 616
    3⤵
    - Program crash
    PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1740 -ip 1740
1⤵
PID:4988

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:3344

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
43e3a00b82cf7e4e016c12364840b8db

SHA1
1de8e17dadd1ba801198de7056df070f741cb685

SHA256
530682916c20862bdacba55b453ff6afaaeafb364ca0f435b6a8ce48c8d8837e

SHA512
008e3e0db8a8ac1776cb5b59ad103b57b9cc83cac077f0ce0665676d2d8465396566f889f6e4348cc74baa0975e1433646a117a23b6cb8b9cc8bd201676f147f

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

Filesize
128B

MD5
c52a122174b26097cfdac88e15e159e3

SHA1
7fa4d7733cd703861f42c54b04b9b3bd04ab4015

SHA256
bddb800e44b8bd2a4dd1e71aa37cd0c6ac4f771456fecd8b8f0ef13b20cbce0e

SHA512
6e3c58b8a4fe3ecaf38992aa09849b9e06a97ef7e552f8c208196b5d82b827a7f6a8193cb58822e7ca092ece8d75a565c8b29ca69fc5a7bacf1670903cc8270d

Download Submit
memory/1740-7-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-10-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-14-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-36-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1740-32-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-35-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/1740-16-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-12-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-13-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1740-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1740-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2716-18-0x0000000000C40000-0x0000000000C67000-memory.dmp

Filesize
156KB

Download
memory/2716-25-0x0000000002A70000-0x0000000002A8D000-memory.dmp

Filesize
116KB

Download
memory/2716-26-0x0000000002A70000-0x0000000002A8D000-memory.dmp

Filesize
116KB

Download
memory/2716-30-0x0000000002A70000-0x0000000002A8D000-memory.dmp

Filesize
116KB

Download
memory/2716-31-0x0000000002A70000-0x0000000002A8D000-memory.dmp

Filesize
116KB

Download
memory/2716-29-0x0000000002A70000-0x0000000002A8D000-memory.dmp

Filesize
116KB

Download
memory/2716-28-0x0000000002A70000-0x0000000002A8D000-memory.dmp

Filesize
116KB

Download
memory/2716-23-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2716-17-0x0000000000660000-0x0000000000683000-memory.dmp

Filesize
140KB

Download
memory/2716-15-0x0000000000C40000-0x0000000000C67000-memory.dmp

Filesize
156KB

Download
memory/2716-37-0x0000000000C40000-0x0000000000C67000-memory.dmp

Filesize
156KB

Download
memory/2716-38-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads