gh0strat | d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814

General

Target

d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.dll
Size

137KB
MD5

435793af70394b8b058af627ff789662
SHA1

0c90b30618e4d8719498ec51d894c71a95e69d71
SHA256

d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814
SHA512

9e98eb47221b8ffb3aa143bba1b2f17272a3c3813c864ffee1d5c66913fd9980e4a7b930e999b28a5800efced5e20cf70bb584971858c9dc8ce823c910126667
SSDEEP

3072:GR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu1:j25GgFny61mraD

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1068-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1068-12-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1068-6-0x0000000010000000-0x000000001001C000-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 5 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/1068-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1068-7-0x00000000025A0000-0x00000000025BD000-memory.dmp	acprotect
behavioral2/memory/1068-10-0x00000000025A0000-0x00000000025BD000-memory.dmp	acprotect
behavioral2/memory/1068-12-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1068-6-0x0000000010000000-0x000000001001C000-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 4 IoCs

description	ioc	Process
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
File opened for modification	C:\Windows\AppPatch\ComBack.Dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1080	1068	WerFault.exe	85

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 7 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 1068	4540	rundll32.exe	85
PID 4540 wrote to memory of 1068	4540	rundll32.exe	85
PID 4540 wrote to memory of 1068	4540	rundll32.exe	85
PID 1068 wrote to memory of 1592	1068	rundll32.exe	92
PID 1068 wrote to memory of 1592	1068	rundll32.exe	92
PID 1068 wrote to memory of 1592	1068	rundll32.exe	92
PID 1068 wrote to memory of 1592	1068	rundll32.exe	92

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5dc338bfde9301b5ec4485a79a352518fb4d3b999b7ec4d1ccc2d928cc8d814.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:1068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 616
    3⤵
    - Program crash
    PID:1080
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe -k rundll32
    3⤵
    PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1068 -ip 1068
1⤵
PID:2588

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/1068-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1068-7-0x00000000025A0000-0x00000000025BD000-memory.dmp

Filesize
116KB

Download
memory/1068-10-0x00000000025A0000-0x00000000025BD000-memory.dmp

Filesize
116KB

Download
memory/1068-12-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1068-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1068-14-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads