Malware Analysis Report

2025-01-22 14:26

Sample ID 240623-b5nltsvcqg
Target bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4
SHA256 bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4
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

bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4

Threat Level: Known bad

The file bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4 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

2024-06-23 01:43

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

2024-06-23 01:43

Reported

2024-06-23 01:46

Platform

win7-20240419-en

Max time kernel

140s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4.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 1636 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1876 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1636 wrote to memory of 1876 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\bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4.dll,#1

Network

N/A

Files

memory/1876-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 01:43

Reported

2024-06-23 01:46

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

55s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4.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 1048 wrote to memory of 4548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1048 wrote to memory of 4548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1048 wrote to memory of 4548 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\bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc748a3cf9a2492ad8e94f737df527966d1c092309f27f91c1ca48b7d8e280e4.dll,#1

Network

Files

memory/4548-0-0x0000000010000000-0x0000000010011000-memory.dmp