Malware Analysis Report

2025-01-22 14:42

Sample ID 240605-as62zage41
Target 42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38
SHA256 42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38
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

42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38

Threat Level: Known bad

The file 42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38 was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-05 00:29

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

2024-06-05 00:29

Reported

2024-06-05 00:32

Platform

win7-20240508-en

Max time kernel

140s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38.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 1868 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 1728 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1868 wrote to memory of 1728 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\42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38.dll,#1

Network

N/A

Files

memory/1728-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 00:29

Reported

2024-06-05 00:32

Platform

win10v2004-20240426-en

Max time kernel

148s

Max time network

101s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38.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 1876 wrote to memory of 4832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1876 wrote to memory of 4832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1876 wrote to memory of 4832 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\42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\42f9b88761bb47c02a99279cf9e5ef9f80e443f68ed180f7746ebb5621c66d38.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4832-0-0x0000000010000000-0x0000000010011000-memory.dmp