Malware Analysis Report

2024-12-07 03:35

Sample ID 241113-dn49csymer
Target 4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.exe
SHA256 4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56
Tags
gh0strat discovery rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56

Threat Level: Known bad

The file 4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.exe was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery rat

Gh0strat

Gh0st RAT payload

Gh0strat family

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 03:10

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

2024-11-13 03:10

Reported

2024-11-13 03:12

Platform

win7-20240903-en

Max time kernel

119s

Max time network

17s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

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 1732 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1732 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1732 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1732 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1732 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1732 wrote to memory of 1996 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1732 wrote to memory of 1996 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\4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.dll,#1

Network

N/A

Files

memory/1996-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 03:10

Reported

2024-11-13 03:12

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.dll,#1

Signatures

Gh0st RAT payload

Description Indicator Process Target
N/A N/A N/A N/A

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

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 1180 wrote to memory of 748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1180 wrote to memory of 748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1180 wrote to memory of 748 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\4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4786ab32c8107fa6177037ab507c438bfd031c379d8e9da1655930429ae21b56.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/748-0-0x0000000010000000-0x000000001014F000-memory.dmp