Malware Analysis Report

2025-03-15 06:38

Sample ID 240531-r5ab7scc83
Target A773DAA221EDE696FB246BF94A49A746.exe
SHA256 16bd5718170fa4234d31b8516ebe7e538268fa57b476c7799b595d3076120cdb
Tags
gh0strat persistence 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

16bd5718170fa4234d31b8516ebe7e538268fa57b476c7799b595d3076120cdb

Threat Level: Known bad

The file A773DAA221EDE696FB246BF94A49A746.exe was found to be: Known bad.

Malicious Activity Summary

gh0strat persistence rat

Gh0st RAT payload

Gh0strat family

Gh0strat

Adds Run key to start application

Drops file in Windows directory

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 14:46

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

2024-05-31 14:46

Reported

2024-05-31 14:48

Platform

win7-20240221-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe"

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

Gh0strat

rat gh0strat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ball = "C:\\WINDOWS\\smss.exe" C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\smss.exe C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A
File opened for modification C:\WINDOWS\smss.exe C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe

"C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe"

Network

Country Destination Domain Proto
CN 47.120.59.37:6161 tcp
CN 47.120.59.37:6161 tcp

Files

memory/2164-0-0x0000000000400000-0x0000000000436000-memory.dmp

C:\Windows\Temp\zk.exe

MD5 a773daa221ede696fb246bf94a49a746
SHA1 7f65c073c7108ed9e2315bf2bd45b02e503b1610
SHA256 16bd5718170fa4234d31b8516ebe7e538268fa57b476c7799b595d3076120cdb
SHA512 9c95c26f6495c0fdf4a6415bdb5202a408597ed920e21682737f98749c85475b5315b505bd1f807db65c76aebfc81c0ffbd51466b2c18fbeb18ca8205639cf9d

memory/2164-6-0x0000000000400000-0x0000000000436000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 14:46

Reported

2024-05-31 14:48

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe"

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

Gh0strat

rat gh0strat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ball = "C:\\WINDOWS\\smss.exe" C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\WINDOWS\smss.exe C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A
File opened for modification C:\WINDOWS\smss.exe C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.exe

"C:\Users\Admin\AppData\Local\Temp\A773DAA221EDE696FB246BF94A49A746.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 --mojo-platform-channel-handle=3400 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
CN 47.120.59.37:6161 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 13.107.253.64:443 tcp
GB 172.217.169.74:443 tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
US 8.8.8.8:53 160.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
CN 47.120.59.37:6161 tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/224-0-0x0000000000400000-0x0000000000436000-memory.dmp

C:\Windows\Temp\zk.exe

MD5 a773daa221ede696fb246bf94a49a746
SHA1 7f65c073c7108ed9e2315bf2bd45b02e503b1610
SHA256 16bd5718170fa4234d31b8516ebe7e538268fa57b476c7799b595d3076120cdb
SHA512 9c95c26f6495c0fdf4a6415bdb5202a408597ed920e21682737f98749c85475b5315b505bd1f807db65c76aebfc81c0ffbd51466b2c18fbeb18ca8205639cf9d

memory/224-6-0x0000000000400000-0x0000000000436000-memory.dmp