Malware Analysis Report

2025-03-15 06:38

Sample ID 240531-c1yfxacb3x
Target 9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b
SHA256 9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b
Tags
gh0strat rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b

Threat Level: Known bad

The file 9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b was found to be: Known bad.

Malicious Activity Summary

gh0strat rat

Gh0strat family

Gh0st RAT payload

Gh0strat

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:33

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: behavioral2

Detonation Overview

Submitted

2024-05-31 02:33

Reported

2024-05-31 02:35

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

133s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b.dll,#1

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2392 set thread context of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 set thread context of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 set thread context of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 1608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 4288 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2132 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2132 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 2132 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2392 wrote to memory of 452 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b.dll,#1

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ssh.362-com.com udp
HK 203.124.11.111:80 ssh.362-com.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 down.ftp21.cc udp
KR 119.203.212.165:80 down.ftp21.cc tcp
US 8.8.8.8:53 165.212.203.119.in-addr.arpa udp

Files

memory/1608-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1608-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1608-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1608-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1608-11-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 02:33

Reported

2024-05-31 02:35

Platform

win7-20240221-en

Max time kernel

128s

Max time network

135s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b.dll,#1

Signatures

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1152 set thread context of 2280 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f71e8d4c44bae85d05422ab8247c97fab243994a006ab8033b9e51ef6c4748b.dll,#1

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\SysWOW64\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ssh.362-com.com udp
HK 203.124.11.111:80 ssh.362-com.com tcp
US 8.8.8.8:53 down.ftp21.cc udp
KR 119.203.212.165:80 down.ftp21.cc tcp

Files

memory/2280-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-11-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-13-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-9-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2280-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-12-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2280-14-0x0000000000400000-0x000000000040B000-memory.dmp