Malware Analysis Report

2024-12-07 03:16

Sample ID 241114-abr7gs1kgt
Target 8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f
SHA256 8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f
Tags
gh0strat discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f

Threat Level: Known bad

The file 8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery rat

Gh0st RAT payload

Gh0strat

Gh0strat family

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 00:02

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: behavioral2

Detonation Overview

Submitted

2024-11-14 00:02

Reported

2024-11-14 00:05

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

140s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f.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 5108 wrote to memory of 3972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5108 wrote to memory of 3972 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5108 wrote to memory of 3972 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\8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3972-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 00:02

Reported

2024-11-14 00:05

Platform

win7-20240729-en

Max time kernel

141s

Max time network

17s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f.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 1464 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1464 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1464 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1464 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1464 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1464 wrote to memory of 1156 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1464 wrote to memory of 1156 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\8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cb484ab1a8da9d2635f73f89a7fbd5257983f9d3bb6a01e4eda9bba9b67ef6f.dll,#1

Network

N/A

Files

memory/1156-0-0x0000000010000000-0x0000000010011000-memory.dmp