Malware Analysis Report

2025-01-22 14:42

Sample ID 240604-pr4b1sgb3v
Target f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b
SHA256 f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b
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

f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b

Threat Level: Known bad

The file f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b 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

2024-06-04 12:34

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

2024-06-04 12:34

Reported

2024-06-04 12:37

Platform

win7-20240220-en

Max time kernel

128s

Max time network

129s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b.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 1984 set thread context of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1992 wrote to memory of 1984 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 1984 wrote to memory of 2680 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b.dll,#1

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\system32\svchost.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ssh.362-com.com udp
HK 203.124.11.99:80 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/2680-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-6-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-9-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-8-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2680-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-10-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-1-0x0000000000400000-0x000000000040B000-memory.dmp

memory/2680-11-0x0000000000400000-0x000000000040B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 12:34

Reported

2024-06-04 12:37

Platform

win10v2004-20240508-en

Max time kernel

133s

Max time network

133s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b.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 2748 set thread context of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 set thread context of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4712 wrote to memory of 2748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4712 wrote to memory of 2748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4712 wrote to memory of 2748 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2748 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3052 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1912 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1912 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1912 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 1208 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe
PID 2748 wrote to memory of 3800 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\f51dfb0cbe27aa19075a50c5a569b39fe4abfd1fca7d83b95b9cdaecf6b8ee4b.dll,#1

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\system32\svchost.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\system32\svchost.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\system32\svchost.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3804,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:8

C:\Windows\SysWOW64\svchost.exe

"C:\Windows\system32\svchost.exe"

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 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
NL 23.62.61.113:443 www.bing.com tcp
US 8.8.8.8:53 113.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 ssh.362-com.com udp
HK 203.124.11.99:80 ssh.362-com.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.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 204.79.197.200:443 tse1.mm.bing.net tcp
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 93.65.42.20.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/1208-0-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1208-2-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1208-3-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1208-4-0x0000000000400000-0x000000000040B000-memory.dmp

memory/1208-8-0x0000000000400000-0x000000000040B000-memory.dmp