Malware Analysis Report

2025-03-15 06:39

Sample ID 240531-kl1ayscf9x
Target bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2
SHA256 bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2
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

bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2

Threat Level: Known bad

The file bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2 was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat family

Gh0st RAT payload

Gh0strat

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 08:42

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 08:42

Reported

2024-05-31 08:44

Platform

win7-20240221-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2.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 2256 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 2732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2256 wrote to memory of 2732 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\bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2.dll,#1

Network

N/A

Files

memory/2732-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 08:42

Reported

2024-05-31 08:44

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2.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 640 wrote to memory of 536 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 536 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 640 wrote to memory of 536 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\bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc9b8c33d624ab24675a0925368fe637c2e363c8887eda53be91767ee15a37e2.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp

Files

memory/536-0-0x0000000010000000-0x0000000010011000-memory.dmp