gh0strat | b8e538fccec8c22cefb09848bc8c10adfb3a7fb8159004c84a004d413ae6968c

General

Target

b8e538fccec8c22cefb09848bc8c10adfb3a7fb8159004c84a004d413ae6968c.dll
Size

137KB
MD5

a2c4ba9d0abcd8ae7679ad1129b7c38f
SHA1

67137b6c3b7a6e3d33a2fa64bc4fbf6f1e32a1ac
SHA256

b8e538fccec8c22cefb09848bc8c10adfb3a7fb8159004c84a004d413ae6968c
SHA512

ec1e659632a1b786d2a3cae9436a1e2625f34b9cc19986699bf9b036cb8556f324ebb5e9f54daee547e15273011870384fe07073e1966455783979f2832308fb
SSDEEP

3072:SR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuT:325GgFny61mrax

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/memory/2388-4-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral1/memory/2388-6-0x0000000010000000-0x000000001001C000-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
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\SCSI Port Monitor	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 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/memory/2388-4-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral1/memory/2388-6-0x0000000010000000-0x000000001001C000-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 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
1516	2388	WerFault.exe	29

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 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2792 wrote to memory of 2388	2792	rundll32.exe	29
PID 2388 wrote to memory of 1516	2388	rundll32.exe	30
PID 2388 wrote to memory of 1516	2388	rundll32.exe	30
PID 2388 wrote to memory of 1516	2388	rundll32.exe	30
PID 2388 wrote to memory of 1516	2388	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8e538fccec8c22cefb09848bc8c10adfb3a7fb8159004c84a004d413ae6968c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b8e538fccec8c22cefb09848bc8c10adfb3a7fb8159004c84a004d413ae6968c.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:2388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2388 -s 236
    3⤵
    - Program crash
    PID:1516

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2840

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/2388-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2388-5-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/2388-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads