Malware Analysis Report

2024-12-07 03:16

Sample ID 241114-ah9p4s1hnh
Target 88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be
SHA256 88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be
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

88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be

Threat Level: Known bad

The file 88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery rat

Gh0strat

Gh0strat family

Gh0st RAT payload

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 00:13

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 00:13

Reported

2024-11-14 00:16

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

137s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be.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 3528 wrote to memory of 4620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3528 wrote to memory of 4620 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3528 wrote to memory of 4620 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\88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp

Files

memory/4620-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 00:13

Reported

2024-11-14 00:16

Platform

win7-20241010-en

Max time kernel

140s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be.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 2876 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2180 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2876 wrote to memory of 2180 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\88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\88535d3df12fe3b243e3ebbdfc67fae976c75afe0597a6b1a515f41703ac61be.dll,#1

Network

N/A

Files

memory/2180-0-0x0000000010000000-0x0000000010011000-memory.dmp