Malware Analysis Report

2025-03-15 06:38

Sample ID 240531-kj22rsdd39
Target 55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f
SHA256 55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f
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

55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f

Threat Level: Known bad

The file 55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat

Gh0st RAT payload

Gh0strat family

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 08:38

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 08:38

Reported

2024-05-31 08:41

Platform

win7-20240508-en

Max time kernel

140s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f.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 2216 wrote to memory of 1600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2216 wrote to memory of 1600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2216 wrote to memory of 1600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2216 wrote to memory of 1600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2216 wrote to memory of 1600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2216 wrote to memory of 1600 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2216 wrote to memory of 1600 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\55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f.dll,#1

Network

N/A

Files

memory/1600-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 08:38

Reported

2024-05-31 08:41

Platform

win10v2004-20240508-en

Max time kernel

144s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f.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 1020 wrote to memory of 4864 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1020 wrote to memory of 4864 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1020 wrote to memory of 4864 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\55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\55d2aaf11732b6056b94416af16e2cee06f4ab7db9ad9985ac95d618d6629a4f.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 200.131.50.23.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

memory/4864-0-0x0000000010000000-0x000000001014F000-memory.dmp