Malware Analysis Report

2025-03-15 06:34

Sample ID 240624-xc25eazfqj
Target 641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb
SHA256 641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb
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

641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb

Threat Level: Known bad

The file 641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb 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

2024-06-24 18:43

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

2024-06-24 18:43

Reported

2024-06-24 18:45

Platform

win7-20240508-en

Max time kernel

140s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb.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 2044 wrote to memory of 1848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2044 wrote to memory of 1848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2044 wrote to memory of 1848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2044 wrote to memory of 1848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2044 wrote to memory of 1848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2044 wrote to memory of 1848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2044 wrote to memory of 1848 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\641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb.dll,#1

Network

N/A

Files

memory/1848-0-0x0000000010000000-0x0000000010011000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 18:43

Reported

2024-06-24 18:45

Platform

win10v2004-20240611-en

Max time kernel

148s

Max time network

152s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb.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 780 wrote to memory of 4832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 780 wrote to memory of 4832 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 780 wrote to memory of 4832 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\641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\641543a8a9b4c2b27237e3a7529209a5be7ea86e28e08a2a0347c46fea53f0cb.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 11.173.189.20.in-addr.arpa udp

Files

memory/4832-0-0x0000000010000000-0x0000000010011000-memory.dmp