Malware Analysis Report

2025-08-05 12:42

Sample ID 230828-vpetjadc58
Target 76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127
SHA256 76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127
Tags
gh0strat purplefox persistence rat rootkit trojan
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

76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127

Threat Level: Known bad

The file 76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127 was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox persistence rat rootkit trojan

Gh0st RAT payload

PurpleFox

Detect PurpleFox Rootkit

Gh0strat

Drops file in Drivers directory

Sets service image path in registry

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-08-28 17:09

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-28 17:09

Reported

2023-08-28 17:12

Platform

win7-20230712-en

Max time kernel

145s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe"

Signatures

Detect PurpleFox Rootkit

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

Gh0st RAT payload

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

Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe

"C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe"

Network

Country Destination Domain Proto
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp

Files

memory/1112-0-0x0000000010000000-0x000000001019F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-28 17:09

Reported

2023-08-28 17:12

Platform

win10v2004-20230703-en

Max time kernel

146s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe"

Signatures

Detect PurpleFox Rootkit

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

Gh0st RAT payload

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

Gh0strat

rat gh0strat

PurpleFox

rootkit trojan purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe

"C:\Users\Admin\AppData\Local\Temp\76d338876a4f7910a1e4cb8c5e06871d193a3b28246c5ae8b2d35c570612a127.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 154.9.229.45:8080 tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 154.9.229.45:8080 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 154.9.229.45:8080 tcp
US 8.8.8.8:53 126.164.241.8.in-addr.arpa udp
US 154.9.229.45:8080 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 154.9.229.45:8080 tcp
US 154.9.229.45:8080 tcp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp
US 154.9.229.45:8080 tcp

Files

memory/5004-0-0x0000000010000000-0x000000001019F000-memory.dmp