Malware Analysis Report

2024-12-07 03:16

Sample ID 241114-ajbjpsvpck
Target 83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351
SHA256 83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351
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

83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351

Threat Level: Known bad

The file 83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351 was found to be: Known bad.

Malicious Activity Summary

gh0strat discovery rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 00:14

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

2024-11-14 00:14

Reported

2024-11-14 00:16

Platform

win7-20240729-en

Max time kernel

141s

Max time network

17s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351.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 1200 wrote to memory of 1756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1200 wrote to memory of 1756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1200 wrote to memory of 1756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1200 wrote to memory of 1756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1200 wrote to memory of 1756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1200 wrote to memory of 1756 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1200 wrote to memory of 1756 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\83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351.dll,#1

Network

N/A

Files

memory/1756-0-0x0000000010000000-0x000000001014F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 00:14

Reported

2024-11-14 00:16

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

134s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351.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 2004 wrote to memory of 4748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 4748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 4748 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\83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\83e34b0fddedab54aa2ffbbe6b0a72b8d7fe4b84a2e40300f016d2c48c236351.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4748-0-0x0000000010000000-0x000000001014F000-memory.dmp