gh0strat | 17b8baf4c19fa546cb2820cb682801d898093b99dda8a3e53ef021d48070b558

Analysis

max time kernel
95s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2025 01:44

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General

Target

17b8baf4c19fa546cb2820cb682801d898093b99dda8a3e53ef021d48070b558.dll
Size

137KB
MD5

9d5d0181b6c5c26f29cc3c7392dfbf09
SHA1

33a1954d9c2940f6a603405e1db9ff05f6ff8ea8
SHA256

17b8baf4c19fa546cb2820cb682801d898093b99dda8a3e53ef021d48070b558
SHA512

587a6daaaefb3297efa8bb3adc36d98387334ec5456c1a7d08ad5123a35a94697ce51cdf29a132c86b3ae5ce5d963a6034fc7884885e08ebc0a11a145b3ce091
SSDEEP

3072:1R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuz:Y25GgFny61mraJ

Score

10^/10

gh0strat discovery persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/2140-5-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2140-6-0x0000000010000000-0x000000001001C000-memory.dmp	family_gh0strat
behavioral2/memory/2140-15-0x0000000010000000-0x000000001001C000-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/2140-5-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2140-6-0x0000000010000000-0x000000001001C000-memory.dmp	acprotect
behavioral2/memory/2140-8-0x00000000016A0000-0x00000000016BD000-memory.dmp	acprotect
behavioral2/memory/2140-11-0x00000000016A0000-0x00000000016BD000-memory.dmp	acprotect
behavioral2/memory/2140-15-0x0000000010000000-0x000000001001C000-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 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 1 IoCs

pid	pid_target	Process	procid_target
2968	2140	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 2140	396	rundll32.exe	83
PID 396 wrote to memory of 2140	396	rundll32.exe	83
PID 396 wrote to memory of 2140	396	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\17b8baf4c19fa546cb2820cb682801d898093b99dda8a3e53ef021d48070b558.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\17b8baf4c19fa546cb2820cb682801d898093b99dda8a3e53ef021d48070b558.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
  PID:2140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2140 -s 624
    3⤵
    - Program crash
    PID:2968
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\system32\svchost.exe -k rundll32
    3⤵
    PID:1716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2140 -ip 2140
1⤵
PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2140-5-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2140-6-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2140-8-0x00000000016A0000-0x00000000016BD000-memory.dmp

Filesize
116KB

Download
memory/2140-11-0x00000000016A0000-0x00000000016BD000-memory.dmp

Filesize
116KB

Download
memory/2140-14-0x0000000043E50000-0x0000000043E77000-memory.dmp

Filesize
156KB

Download
memory/2140-15-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads