Malware Analysis Report

2025-08-05 21:58

Sample ID 240428-j5chkabf81
Target c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc
SHA256 c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc
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

c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc

Threat Level: Known bad

The file c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat

Gh0strat family

Gh0st RAT payload

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-28 08:14

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

2024-04-28 08:14

Reported

2024-04-28 08:17

Platform

win7-20240221-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc.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 1096 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 2760 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1096 wrote to memory of 2760 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\c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc.dll,#1

Network

N/A

Files

memory/2760-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-28 08:14

Reported

2024-04-28 08:17

Platform

win10v2004-20240419-en

Max time kernel

141s

Max time network

55s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc.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 4164 wrote to memory of 4484 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4164 wrote to memory of 4484 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4164 wrote to memory of 4484 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\c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c98defe1bd64ded301d05fcb4eb3d29410b29bfea212d7e781e9e4a4ebe952bc.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 g.bing.com udp

Files

memory/4484-0-0x0000000010000000-0x0000000010011000-memory.dmp