Malware Analysis Report

2025-03-15 06:37

Sample ID 240531-kf2xlace5s
Target 2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1
SHA256 2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1
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

2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1

Threat Level: Known bad

The file 2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1 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

2024-05-31 08:33

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 08:33

Reported

2024-05-31 08:35

Platform

win7-20240220-en

Max time kernel

140s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1.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 2184 wrote to memory of 2200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 2200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 2200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 2200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 2200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 2200 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2184 wrote to memory of 2200 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\2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1.dll,#1

Network

N/A

Files

memory/2200-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 08:33

Reported

2024-05-31 08:36

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

129s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1.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 3124 wrote to memory of 4524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3124 wrote to memory of 4524 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3124 wrote to memory of 4524 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\2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b6d38f8a00dd1f1efc6604b513a51d642db6b50d0727e88bceb0120857761f1.dll,#1

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3888,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=3628 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
NL 23.62.61.121:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 121.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 95.16.208.104.in-addr.arpa udp

Files

memory/4524-0-0x0000000010000000-0x000000001014F000-memory.dmp