gh0strat | 2cda176e29df9df4d23f89acaa99db10b1b4b721d3b1933ec68f938123194b12

General

Target

2cda176e29df9df4d23f89acaa99db10b1b4b721d3b1933ec68f938123194b12N.dll
Size

137KB
MD5

b199212d119d10a86184afb141ee9ba0
SHA1

f4f4d9a4e1be78e3416979330e0408411753a51c
SHA256

2cda176e29df9df4d23f89acaa99db10b1b4b721d3b1933ec68f938123194b12
SHA512

208467def4d4c4d29f2409d931d34b808130f6c3f4917986d1115b4142fffc84ca40c7589d1b273de6c70124711b659b63dda9d678c0d42d590d1c7930b3fa76
SSDEEP

3072:pR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUud:k25GgFny61mraz

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1216-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1216-10-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1216-31-0x0000000010000000-0x000000001001C000-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

Processes:

rundll32.exe

flow pid process

8 1216 rundll32.exe

flow	pid	process
8	1216	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

Processes:

rundll32.exesvchost.exeSpoolsv.exe

description	ioc	process
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\Standard TCP/IP Port\Ports	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\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\SCSI Port Monitor	svchost.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\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\Appmon	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\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Appmon\Ports	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port	Spoolsv.exe

Sets service image path in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

rundll32.exesvchost.exe

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.

Processes:

resource	yara_rule
behavioral2/memory/1216-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1216-9-0x0000000000F10000-0x0000000000F2D000-memory.dmp	acprotect
behavioral2/memory/1216-14-0x0000000000F10000-0x0000000000F2D000-memory.dmp	acprotect
behavioral2/memory/1216-13-0x0000000000F10000-0x0000000000F2D000-memory.dmp	acprotect
behavioral2/memory/1216-15-0x0000000000F10000-0x0000000000F2D000-memory.dmp	acprotect
behavioral2/memory/1216-12-0x0000000000F10000-0x0000000000F2D000-memory.dmp	acprotect
behavioral2/memory/1216-10-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1216-6-0x0000000000F10000-0x0000000000F2D000-memory.dmp	acprotect
behavioral2/memory/1688-25-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1688-24-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1688-29-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1688-30-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1688-28-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1688-27-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect
behavioral2/memory/1216-31-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1688-36-0x0000000002FF0000-0x000000000300D000-memory.dmp	acprotect

Drops file in System32 directory 6 IoCs

Processes:

rundll32.exesvchost.exe

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

Processes:

rundll32.exe

description pid process target process

PID 1216 set thread context of 1688 1216 rundll32.exe svchost.exe

description	pid	process	target process
PID 1216 set thread context of 1688	1216	rundll32.exe	svchost.exe

Drops file in Windows directory 4 IoCs

Processes:

rundll32.exe

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

Processes:

WerFault.exe

pid pid_target process target process

4012 1216 WerFault.exe rundll32.exe

pid	pid_target	process	target process
4012	1216	WerFault.exe	rundll32.exe

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

Processes:

rundll32.exesvchost.exe

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

Processes:

Spoolsv.exe

description	ioc	process
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\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&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\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	Spoolsv.exe

Modifies data under HKEY_USERS 22 IoCs

Processes:

Spoolsv.exe

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-1-5-19\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\Devices\Fax = "winspool,Ne02:"	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\.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\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-1-5-20\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
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-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices	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-1-5-20\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\Microsoft XPS Document Writer = "winspool,Ne00:"	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\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\PrinterPorts\Fax = "winspool,Ne02:,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

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1216 rundll32.exe
Token: SeDebugPrivilege 1688 svchost.exe

description	pid	process
Token: SeDebugPrivilege	1216	rundll32.exe
Token: SeDebugPrivilege	1688	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 4052 wrote to memory of 1216	4052	rundll32.exe	rundll32.exe
PID 4052 wrote to memory of 1216	4052	rundll32.exe	rundll32.exe
PID 4052 wrote to memory of 1216	4052	rundll32.exe	rundll32.exe
PID 1216 wrote to memory of 1688	1216	rundll32.exe	svchost.exe
PID 1216 wrote to memory of 1688	1216	rundll32.exe	svchost.exe
PID 1216 wrote to memory of 1688	1216	rundll32.exe	svchost.exe
PID 1216 wrote to memory of 1688	1216	rundll32.exe	svchost.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cda176e29df9df4d23f89acaa99db10b1b4b721d3b1933ec68f938123194b12N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cda176e29df9df4d23f89acaa99db10b1b4b721d3b1933ec68f938123194b12N.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:1216
- - 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:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 616
    3⤵
    - Program crash
    PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1216 -ip 1216
1⤵
PID:4848

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:932

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
abd8d04a3012969a10be516ae65b6cc9

SHA1
dc1325b022021e4176ab4d97d0af78b7197b9c05

SHA256
28697f9cc4e357963d36532ada60b7a798bf06fb40ecfffbcf399563c562b017

SHA512
2cc87e6aaef1f072e29d309590577e88deafef8d266ac23da225d81027338d92daf40959f3d670ba3f12d7792baf4b2bd0cdb394793e7d564d75de64dff53fb7

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

Filesize
128B

MD5
854789ed9132b3b0a484dc3d11ae84ab

SHA1
676ee82921a356468c0a2bd9d8992355ca205011

SHA256
15071f8ad25a9c4c539f76d9756e3c9a33225e29398b64ca74902530bfbec6f7

SHA512
cab3628f6192e7a101544f018c581026a1f85515c4e8c69bd64bb9a32dd21ce4da1b3dedeb829e717ed6fc097cded7c9d11b107b2afab605e38fce5f1cc21891

Download Submit
memory/1216-9-0x0000000000F10000-0x0000000000F2D000-memory.dmp

Filesize
116KB

Download
memory/1216-14-0x0000000000F10000-0x0000000000F2D000-memory.dmp

Filesize
116KB

Download
memory/1216-13-0x0000000000F10000-0x0000000000F2D000-memory.dmp

Filesize
116KB

Download
memory/1216-15-0x0000000000F10000-0x0000000000F2D000-memory.dmp

Filesize
116KB

Download
memory/1216-34-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/1216-12-0x0000000000F10000-0x0000000000F2D000-memory.dmp

Filesize
116KB

Download
memory/1216-10-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1216-6-0x0000000000F10000-0x0000000000F2D000-memory.dmp

Filesize
116KB

Download
memory/1216-31-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1216-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1688-17-0x0000000000D80000-0x0000000000DA7000-memory.dmp

Filesize
156KB

Download
memory/1688-25-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1688-24-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1688-29-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1688-30-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1688-28-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1688-27-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download
memory/1688-18-0x0000000000D80000-0x0000000000DA7000-memory.dmp

Filesize
156KB

Download
memory/1688-16-0x0000000000C00000-0x0000000000C23000-memory.dmp

Filesize
140KB

Download
memory/1688-35-0x0000000000D80000-0x0000000000DA7000-memory.dmp

Filesize
156KB

Download
memory/1688-36-0x0000000002FF0000-0x000000000300D000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads