Malware Analysis Report

2025-08-05 23:54

Sample ID 241230-tc428aypen
Target 51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3
SHA256 51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3
Tags
gh0strat discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3

Threat Level: Known bad

The file 51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3 was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-30 15:55

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat family

gh0strat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-30 15:55

Reported

2024-12-30 15:58

Platform

win7-20240903-en

Max time kernel

140s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3.dll,#1

Network

N/A

Files

memory/988-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-30 15:55

Reported

2024-12-30 15:58

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4024 wrote to memory of 4724 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4024 wrote to memory of 4724 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4024 wrote to memory of 4724 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\51b32cd99a2da5045d9f4935974ac28a6ff669041905cd3e2a9220dd27d0c5d3.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4724-0-0x0000000010000000-0x000000001014F000-memory.dmp