gh0strat | 108d77dce16c79be3ceb07e44c7465245017db0a0ab9d001a98d2ff1d53c2b04

General

Target

108d77dce16c79be3ceb07e44c7465245017db0a0ab9d001a98d2ff1d53c2b04.dll
Size

137KB
MD5

9d72fe3ec5856daa8fab0e6e2231d1be
SHA1

38575e9b90876d1089c7a16a2c0385d5ea84f171
SHA256

108d77dce16c79be3ceb07e44c7465245017db0a0ab9d001a98d2ff1d53c2b04
SHA512

1452346a75bac1bb5c37047e221b95e26b2f6341bbd20e443f6b9ae863bf3336f29b25b2d3252e175a1183ee76f7e93fa3afdabc99019e39e77678d2bc8574f1
SSDEEP

3072:lR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu/:o25GgFny61mraV

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/4872-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4872-4-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4872-9-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/4872-33-0x0000000010000000-0x000000001001C000-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
7	4872	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\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\WSD Port\Adapters\WSPrint	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	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	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\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\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\Microsoft Shared Fax 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"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Spooler\ImagePath = "Spoolsv.exe"	rundll32.exe

ACProtect 1.3x - 1.4x DLL software 16 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/4872-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4872-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/4872-10-0x00000000011A0000-0x00000000011BD000-memory.dmp	acprotect
behavioral2/memory/4872-14-0x00000000011A0000-0x00000000011BD000-memory.dmp	acprotect
behavioral2/memory/4872-13-0x00000000011A0000-0x00000000011BD000-memory.dmp	acprotect
behavioral2/memory/4872-15-0x00000000011A0000-0x00000000011BD000-memory.dmp	acprotect
behavioral2/memory/4872-12-0x00000000011A0000-0x00000000011BD000-memory.dmp	acprotect
behavioral2/memory/4872-6-0x00000000011A0000-0x00000000011BD000-memory.dmp	acprotect
behavioral2/memory/4872-9-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1424-24-0x0000000003140000-0x000000000315D000-memory.dmp	acprotect
behavioral2/memory/1424-26-0x0000000003140000-0x000000000315D000-memory.dmp	acprotect
behavioral2/memory/1424-31-0x0000000003140000-0x000000000315D000-memory.dmp	acprotect
behavioral2/memory/1424-30-0x0000000003140000-0x000000000315D000-memory.dmp	acprotect
behavioral2/memory/1424-29-0x0000000003140000-0x000000000315D000-memory.dmp	acprotect
behavioral2/memory/1424-28-0x0000000003140000-0x000000000315D000-memory.dmp	acprotect
behavioral2/memory/4872-33-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 6 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\Miscson.dll	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4872 set thread context of 1424	4872	rundll32.exe	85

Drops file in Windows directory 4 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
116	4872	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 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
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&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 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	Spoolsv.exe

Modifies data under HKEY_USERS 22 IoCs

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

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4872	rundll32.exe
Token: SeDebugPrivilege	1424	svchost.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 4872	2156	rundll32.exe	83
PID 2156 wrote to memory of 4872	2156	rundll32.exe	83
PID 2156 wrote to memory of 4872	2156	rundll32.exe	83
PID 4872 wrote to memory of 1424	4872	rundll32.exe	85
PID 4872 wrote to memory of 1424	4872	rundll32.exe	85
PID 4872 wrote to memory of 1424	4872	rundll32.exe	85
PID 4872 wrote to memory of 1424	4872	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\108d77dce16c79be3ceb07e44c7465245017db0a0ab9d001a98d2ff1d53c2b04.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\108d77dce16c79be3ceb07e44c7465245017db0a0ab9d001a98d2ff1d53c2b04.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:4872
- - 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:1424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 680
    3⤵
    - Program crash
    PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4872 -ip 4872
1⤵
PID:1276

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:4492

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
1cdeb3c66298d6db5699be01e5b9a6f0

SHA1
a2b8a928676eeb053d3bd40f0720a6cde570e406

SHA256
e8ab28164a42cf667db79ec72cc3e36fd16098e33ec3e2897a6ff92d2bfeb9b6

SHA512
d7b8613a9710a4aba4409cc24daceb4baaea3c8f02a81c70167ce0b99201e068457c3570e2533c580fdf2966b7cde1d3932aaacba9950c9e4dcb732579892e9d

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

Filesize
128B

MD5
5c3886faf3084a31d04c1219561860e6

SHA1
93cf853b89a22164bcbda02b9bb8bbe0e1497d32

SHA256
ba521c78009176022e493141f921c80bb22ad26dc2a7b3148986b3aed169d605

SHA512
4fdddff5f25c5028dafaa1f6ae8efcec46d18316a9b57b593cdca9e42ab3220dac3ae4391792ed01bf412668cbb2a1d48162968ba208b3fc2ff109eb98f16ac1

Download Submit
memory/1424-30-0x0000000003140000-0x000000000315D000-memory.dmp

Filesize
116KB

Download
memory/1424-25-0x0000000000BD0000-0x0000000000BF7000-memory.dmp

Filesize
156KB

Download
memory/1424-36-0x0000000000BD0000-0x0000000000BF7000-memory.dmp

Filesize
156KB

Download
memory/1424-28-0x0000000003140000-0x000000000315D000-memory.dmp

Filesize
116KB

Download
memory/1424-29-0x0000000003140000-0x000000000315D000-memory.dmp

Filesize
116KB

Download
memory/1424-17-0x0000000000B40000-0x0000000000B63000-memory.dmp

Filesize
140KB

Download
memory/1424-16-0x0000000000BD0000-0x0000000000BF7000-memory.dmp

Filesize
156KB

Download
memory/1424-18-0x0000000000BD0000-0x0000000000BF7000-memory.dmp

Filesize
156KB

Download
memory/1424-31-0x0000000003140000-0x000000000315D000-memory.dmp

Filesize
116KB

Download
memory/1424-24-0x0000000003140000-0x000000000315D000-memory.dmp

Filesize
116KB

Download
memory/1424-26-0x0000000003140000-0x000000000315D000-memory.dmp

Filesize
116KB

Download
memory/4872-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4872-9-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4872-10-0x00000000011A0000-0x00000000011BD000-memory.dmp

Filesize
116KB

Download
memory/4872-14-0x00000000011A0000-0x00000000011BD000-memory.dmp

Filesize
116KB

Download
memory/4872-6-0x00000000011A0000-0x00000000011BD000-memory.dmp

Filesize
116KB

Download
memory/4872-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4872-12-0x00000000011A0000-0x00000000011BD000-memory.dmp

Filesize
116KB

Download
memory/4872-15-0x00000000011A0000-0x00000000011BD000-memory.dmp

Filesize
116KB

Download
memory/4872-33-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4872-35-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/4872-13-0x00000000011A0000-0x00000000011BD000-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