gh0strat | 5aa516dc0faeb7c7d48859107002c3891f14eb97a71d5ec82c37222c5acb4b70

General

Target

5aa516dc0faeb7c7d48859107002c3891f14eb97a71d5ec82c37222c5acb4b70.dll
Size

137KB
MD5

b1695bc2ca53be799986f6d3bf53b3ba
SHA1

cd67cd85d6a4db60ef9714c302e2c5faebea5bea
SHA256

5aa516dc0faeb7c7d48859107002c3891f14eb97a71d5ec82c37222c5acb4b70
SHA512

0904f1ed8ba8d0d559ef514dd747b38e6d921784b1da89c0817665d5c6dee6959fe9ecd83c750769ea78ce0160ec5447b434dcb21929dec5d66171ae7c43d651
SSDEEP

3072:/R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuJ:C25GgFny61mraz

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2416-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/2416-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/2416-13-0x0000000010000000-0x000000001001C000-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 7 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\WSD Port	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\Local 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\Standard TCP/IP Port	Spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports	Spoolsv.exe

Sets service image path in registry 2 TTPs 1 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

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/memory/2416-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/2416-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/2416-13-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\scsimon.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\com\comb.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\Miscson.dll	rundll32.exe
File created	C:\Windows\SysWOW64\Miscson.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\scsimon.dll	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
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
1504	2416	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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

Modifies data under HKEY_USERS 14 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne01:"	Spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne01:,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
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\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 XPS Document Writer = "winspool,Ne00:,15,45"	Spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne01:"	Spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne01:,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-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts	Spoolsv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts	Spoolsv.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeRestorePrivilege	2784	Spoolsv.exe
Token: SeRestorePrivilege	2784	Spoolsv.exe
Token: SeRestorePrivilege	2784	Spoolsv.exe
Token: SeRestorePrivilege	2784	Spoolsv.exe
Token: SeRestorePrivilege	2784	Spoolsv.exe
Token: SeRestorePrivilege	2784	Spoolsv.exe
Token: SeRestorePrivilege	2784	Spoolsv.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2256 wrote to memory of 2416	2256	rundll32.exe	30
PID 2416 wrote to memory of 1504	2416	rundll32.exe	31
PID 2416 wrote to memory of 1504	2416	rundll32.exe	31
PID 2416 wrote to memory of 1504	2416	rundll32.exe	31
PID 2416 wrote to memory of 1504	2416	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa516dc0faeb7c7d48859107002c3891f14eb97a71d5ec82c37222c5acb4b70.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5aa516dc0faeb7c7d48859107002c3891f14eb97a71d5ec82c37222c5acb4b70.dll,#1
  2⤵
  - Boot or Logon Autostart Execution: Port Monitors
  - Sets service image path in registry
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 292
    3⤵
    - Program crash
    PID:1504

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2496

C:\Windows\system32\Spoolsv.exe
Spoolsv.exe
1⤵
- Boot or Logon Autostart Execution: Port Monitors
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2784

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2416-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2416-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2416-15-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/2416-13-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads