gh0strat | bd8b1d727814522f7a4a94f51b7a73a490550d79741043f117369307c1c8e3ed

General

Target

bd8b1d727814522f7a4a94f51b7a73a490550d79741043f117369307c1c8e3ed.dll
Size

137KB
MD5

1dd3bd449376a71c139cec49743a205f
SHA1

7c6733186db25b45120a8dc7202fae75cf48e249
SHA256

bd8b1d727814522f7a4a94f51b7a73a490550d79741043f117369307c1c8e3ed
SHA512

ea9461f40408e2a16bb611f976b3d8c8501068f93d66a7edec9c606edf8efac9bb0c0380dff5f56189954b84abffdc5192fc91cd1e1c1507b4998b70f1d3323d
SSDEEP

3072:wR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuX:V25GgFny61mraZ

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/1924-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1924-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/1924-20-0x0000000010000000-0x000000001001C000-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	1924	rundll32.exe

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 9 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/memory/1924-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1924-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/1924-7-0x0000000002BA0000-0x0000000002BBD000-memory.dmp	acprotect
behavioral2/memory/1924-10-0x0000000002BA0000-0x0000000002BBD000-memory.dmp	acprotect
behavioral2/memory/1924-13-0x0000000002BA0000-0x0000000002BBD000-memory.dmp	acprotect
behavioral2/memory/1924-12-0x0000000002BA0000-0x0000000002BBD000-memory.dmp	acprotect
behavioral2/memory/1924-14-0x0000000002BA0000-0x0000000002BBD000-memory.dmp	acprotect
behavioral2/memory/1924-15-0x0000000002BA0000-0x0000000002BBD000-memory.dmp	acprotect
behavioral2/memory/1924-20-0x0000000010000000-0x000000001001C000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 1372	1924	rundll32.exe	86

Drops file in Windows directory 4 IoCs

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 3 IoCs

pid	pid_target	Process	procid_target
2300	1924	WerFault.exe	83
5084	1372	WerFault.exe	86
216	1372	WerFault.exe	86

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 1924	1324	rundll32.exe	83
PID 1324 wrote to memory of 1924	1324	rundll32.exe	83
PID 1324 wrote to memory of 1924	1324	rundll32.exe	83
PID 1924 wrote to memory of 1372	1924	rundll32.exe	86
PID 1924 wrote to memory of 1372	1924	rundll32.exe	86
PID 1924 wrote to memory of 1372	1924	rundll32.exe	86
PID 1924 wrote to memory of 1372	1924	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8b1d727814522f7a4a94f51b7a73a490550d79741043f117369307c1c8e3ed.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8b1d727814522f7a4a94f51b7a73a490550d79741043f117369307c1c8e3ed.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:1924
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe -k rundll32
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 280
      4⤵
      Program crash
      PID:5084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 288
      4⤵
      Program crash
      PID:216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 616
    3⤵
    - Program crash
    PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1924 -ip 1924
1⤵
PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1372 -ip 1372
1⤵
PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1372 -ip 1372
1⤵
PID:3564

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/1372-16-0x0000000000910000-0x0000000000937000-memory.dmp

Filesize
156KB

Download
memory/1372-19-0x0000000000910000-0x0000000000937000-memory.dmp

Filesize
156KB

Download
memory/1372-17-0x0000000000170000-0x0000000000193000-memory.dmp

Filesize
140KB

Download
memory/1372-18-0x0000000000910000-0x0000000000937000-memory.dmp

Filesize
156KB

Download
memory/1924-10-0x0000000002BA0000-0x0000000002BBD000-memory.dmp

Filesize
116KB

Download
memory/1924-12-0x0000000002BA0000-0x0000000002BBD000-memory.dmp

Filesize
116KB

Download
memory/1924-14-0x0000000002BA0000-0x0000000002BBD000-memory.dmp

Filesize
116KB

Download
memory/1924-15-0x0000000002BA0000-0x0000000002BBD000-memory.dmp

Filesize
116KB

Download
memory/1924-13-0x0000000002BA0000-0x0000000002BBD000-memory.dmp

Filesize
116KB

Download
memory/1924-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1924-7-0x0000000002BA0000-0x0000000002BBD000-memory.dmp

Filesize
116KB

Download
memory/1924-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1924-20-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/1924-23-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads