Malware Analysis Report

2025-01-22 14:27

Sample ID 240623-wchkbssakl
Target 279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61
SHA256 279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61
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

279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61

Threat Level: Known bad

The file 279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61 was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-23 17:46

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 17:46

Reported

2024-06-23 17:49

Platform

win7-20240419-en

Max time kernel

140s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61.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 1992 wrote to memory of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 2280 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\279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61.dll,#1

Network

N/A

Files

memory/2280-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 17:46

Reported

2024-06-23 17:49

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61.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 1972 wrote to memory of 4152 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 4152 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1972 wrote to memory of 4152 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\279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\279d436fef9e10c5228ba97ee4f21a5320b34e3ed1380d5f49c57a6026300d61.dll,#1

Network

Files

memory/4152-0-0x0000000010000000-0x000000001014F000-memory.dmp