Malware Analysis Report

2025-03-15 06:34

Sample ID 240624-1k216awenq
Target b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d
SHA256 b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d
Tags
gh0strat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d

Threat Level: Known bad

The file b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat family

Gh0strat

Gh0st RAT payload

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 21:43

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

2024-06-24 21:43

Reported

2024-06-24 21:46

Platform

win7-20240611-en

Max time kernel

142s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d.dll,#1

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

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 2440 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2440 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2440 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2440 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2440 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2440 wrote to memory of 2068 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2440 wrote to memory of 2068 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\b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d.dll,#1

Network

N/A

Files

memory/2068-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 21:43

Reported

2024-06-24 21:46

Platform

win10v2004-20240508-en

Max time kernel

146s

Max time network

155s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d.dll,#1

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

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 4592 wrote to memory of 1520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4592 wrote to memory of 1520 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4592 wrote to memory of 1520 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\b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b99dfbbee65a7eaf3ee6186b6f9a43d9d2f0af005f289b00a542f11b96ebe23d.dll,#1

Network

Files

memory/1520-0-0x0000000010000000-0x000000001014F000-memory.dmp