Malware Analysis Report

2024-09-11 10:22

Sample ID 240613-2nb5kstcqb
Target b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7
SHA256 b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7
Tags
gh0strat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7

Threat Level: Known bad

The file b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7 was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0st RAT payload

Gh0strat

Gh0strat family

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 22:43

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

2024-06-13 22:43

Reported

2024-06-13 22:45

Platform

win7-20240508-en

Max time kernel

140s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7.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 2280 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2264 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2280 wrote to memory of 2264 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\b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7.dll,#1

Network

N/A

Files

memory/2264-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 22:43

Reported

2024-06-13 22:45

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7.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 3092 wrote to memory of 3160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3092 wrote to memory of 3160 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3092 wrote to memory of 3160 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\b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6b5579516ab288864465d6e7ad5ab74415e50b7f59d65eae033bde2cc6aacc7.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 88.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 198.111.78.13.in-addr.arpa udp

Files

memory/3160-0-0x0000000010000000-0x0000000010011000-memory.dmp