Malware Analysis Report

2025-03-15 06:33

Sample ID 240624-xk7d4axfqh
Target 4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e
SHA256 4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e
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

4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e

Threat Level: Known bad

The file 4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e 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

2024-06-24 18:55

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 18:55

Reported

2024-06-24 18:58

Platform

win7-20240611-en

Max time kernel

142s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e.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 1916 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 3004 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1916 wrote to memory of 3004 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\4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e.dll,#1

Network

N/A

Files

memory/3004-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 18:55

Reported

2024-06-24 18:58

Platform

win10v2004-20240508-en

Max time kernel

140s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e.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 1264 wrote to memory of 2968 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1264 wrote to memory of 2968 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1264 wrote to memory of 2968 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\4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b276caa5d1db1f7496a063640a2ca478d3f718dc1cce20dc6f299aab337d89e.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=3756,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8

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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 97.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.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
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/2968-0-0x0000000010000000-0x0000000010011000-memory.dmp