gh0strat | 575674e2fb7bd513c65dc1f6975e97ff1af84c92892bcb52e5ffa87a8f777efc

General

Target

575674e2fb7bd513c65dc1f6975e97ff1af84c92892bcb52e5ffa87a8f777efc.dll
Size

137KB
MD5

6a33b6e87a17a8a45907adc675c01cf4
SHA1

4b8ca530574f775086e9c5b7a02a3856453c7d24
SHA256

575674e2fb7bd513c65dc1f6975e97ff1af84c92892bcb52e5ffa87a8f777efc
SHA512

60f4ccea934a2b76e75d341654de517583ec7f31a4e03e17608bad1f2a6fed80b1c154856d81ffecf780371518c4cc8fe3b102d29747659efe464af016e71cbd
SSDEEP

3072:WR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuI:T25GgFny61mra6

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/1720-4-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/1720-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/1720-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/1720-7-0x0000000010000000-0x000000001001C000-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 2 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	rundll32.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 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 4 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/memory/1720-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/1720-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/1720-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/1720-7-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\com\comb.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
2320	1720	WerFault.exe	31

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 2244 wrote to memory of 1720	2244	rundll32.exe	31
PID 1720 wrote to memory of 2320	1720	rundll32.exe	32
PID 1720 wrote to memory of 2320	1720	rundll32.exe	32
PID 1720 wrote to memory of 2320	1720	rundll32.exe	32
PID 1720 wrote to memory of 2320	1720	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\575674e2fb7bd513c65dc1f6975e97ff1af84c92892bcb52e5ffa87a8f777efc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\575674e2fb7bd513c65dc1f6975e97ff1af84c92892bcb52e5ffa87a8f777efc.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:1720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 296
    3⤵
    - Program crash
    PID:2320

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2324

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/1720-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1720-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1720-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1720-7-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1720-9-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads