Malware Analysis Report

2025-03-15 06:38

Sample ID 240531-havvzsaa4w
Target acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b
SHA256 acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b
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

acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b

Threat Level: Known bad

The file acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b 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 06:32

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 06:32

Reported

2024-05-31 06:35

Platform

win7-20240215-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b.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 2364 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 3032 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2364 wrote to memory of 3032 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\acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b.dll,#1

Network

N/A

Files

memory/3032-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 06:32

Reported

2024-05-31 06:35

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b.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 3908 wrote to memory of 708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 708 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3908 wrote to memory of 708 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\acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\acd9761356d962fc31f2151beb151873f2e819144102b98176f42c7cc36b5a7b.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

memory/708-0-0x0000000010000000-0x0000000010011000-memory.dmp