Malware Analysis Report

2025-03-15 06:39

Sample ID 240531-jj1chacc88
Target f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74
SHA256 f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74
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

f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74

Threat Level: Known bad

The file f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74 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

2024-05-31 07:42

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

2024-05-31 07:42

Reported

2024-05-31 07:45

Platform

win7-20240508-en

Max time kernel

140s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74.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 1636 wrote to memory of 1900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1900 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1900 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\f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74.dll,#1

Network

N/A

Files

memory/1900-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 07:42

Reported

2024-05-31 07:45

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74.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 404 wrote to memory of 2428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 404 wrote to memory of 2428 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 404 wrote to memory of 2428 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\f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f89ba979f9d7ce060931e1fa4687f1ef8727540b825e26b6c4d40e1668636f74.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/2428-0-0x0000000010000000-0x000000001014F000-memory.dmp