Malware Analysis Report

2025-03-15 06:33

Sample ID 240624-1k216awenn
Target 81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b
SHA256 81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b
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

81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b

Threat Level: Known bad

The file 81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat family

Gh0strat

Gh0st RAT payload

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 21:43

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

2024-06-24 21:43

Reported

2024-06-24 21:45

Platform

win7-20240220-en

Max time kernel

140s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b.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 2192 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1892 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2192 wrote to memory of 1892 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\81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b.dll,#1

Network

N/A

Files

memory/1892-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 21:43

Reported

2024-06-24 21:45

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

124s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b.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 3692 wrote to memory of 3416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3692 wrote to memory of 3416 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3692 wrote to memory of 3416 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\81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\81f5e3d94ecffd0586a15db6c6c0824865f5bb3f62462bcf9f1dc7d05ea58b4b.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 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/3416-0-0x0000000010000000-0x000000001014F000-memory.dmp