Malware Analysis Report

2025-08-05 23:54

Sample ID 241230-tb5x5aypbm
Target 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f
SHA256 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f
Tags
gh0strat purplefox discovery 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

208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f

Threat Level: Known bad

The file 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f was found to be: Known bad.

Malicious Activity Summary

gh0strat purplefox discovery persistence rat rootkit trojan

Purplefox family

PurpleFox

Gh0strat family

Gh0strat

Detect PurpleFox Rootkit

Gh0st RAT payload

Drops file in Drivers directory

Sets service image path in registry

Executes dropped EXE

Deletes itself

Loads dropped DLL

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: LoadsDriver

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-30 15:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-30 15:53

Reported

2024-12-30 15:56

Platform

win7-20241010-en

Max time kernel

146s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe"

Signatures

Detect PurpleFox Rootkit

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

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\ProgramData\Application Data\DRM\Phxph.png 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:\ProgramData\Application Data\DRM\Phxph.png N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Application Data\DRM\Phxph.png N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Application Data\DRM\Phxph.png N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe N/A
Token: SeLoadDriverPrivilege N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: 33 N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: SeIncBasePriorityPrivilege N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: 33 N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: SeIncBasePriorityPrivilege N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2256 wrote to memory of 832 N/A C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe C:\Windows\SysWOW64\cmd.exe
PID 2256 wrote to memory of 832 N/A C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe C:\Windows\SysWOW64\cmd.exe
PID 2256 wrote to memory of 832 N/A C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe C:\Windows\SysWOW64\cmd.exe
PID 2256 wrote to memory of 832 N/A C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe C:\Windows\SysWOW64\cmd.exe
PID 2720 wrote to memory of 2644 N/A C:\ProgramData\Application Data\DRM\Phxph.png C:\ProgramData\Application Data\DRM\Phxph.png
PID 2720 wrote to memory of 2644 N/A C:\ProgramData\Application Data\DRM\Phxph.png C:\ProgramData\Application Data\DRM\Phxph.png
PID 2720 wrote to memory of 2644 N/A C:\ProgramData\Application Data\DRM\Phxph.png C:\ProgramData\Application Data\DRM\Phxph.png
PID 2720 wrote to memory of 2644 N/A C:\ProgramData\Application Data\DRM\Phxph.png C:\ProgramData\Application Data\DRM\Phxph.png
PID 832 wrote to memory of 2992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 832 wrote to memory of 2992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 832 wrote to memory of 2992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 832 wrote to memory of 2992 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe

"C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe"

C:\ProgramData\Application Data\DRM\Phxph.png

"C:\ProgramData\Application Data\DRM\Phxph.png" -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\208904~1.EXE > nul

C:\ProgramData\Application Data\DRM\Phxph.png

"C:\ProgramData\Application Data\DRM\Phxph.png" -acsi

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

Network

Country Destination Domain Proto
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp

Files

memory/2256-1-0x0000000010000000-0x000000001019F000-memory.dmp

C:\ProgramData\DRM\Phxph.png

MD5 ffd46ca04ccb4ace69b9115bc75a8466
SHA1 c877e6d1e312d5666c749759915381dfe3a0f6dd
SHA256 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f
SHA512 e7b83abb38139e7b4d3c3d2bddee60faf09b8dd270bdf44ff9802862bc9c14ff7f98c08c54871d80aea05cbc160551b76234b3f50b5068ebfeabca2e5204eb08

memory/2644-18-0x0000000010000000-0x000000001019F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-30 15:53

Reported

2024-12-30 15:56

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe"

Signatures

Detect PurpleFox Rootkit

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

Gh0st RAT payload

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

Gh0strat

rat gh0strat

Gh0strat family

gh0strat

PurpleFox

rootkit trojan purplefox

Purplefox family

purplefox

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\system32\drivers\QAssist.sys C:\ProgramData\Application Data\DRM\Phxph.png 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:\ProgramData\Application Data\DRM\Phxph.png N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Application Data\DRM\Phxph.png N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\ProgramData\Application Data\DRM\Phxph.png N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe N/A
Token: SeLoadDriverPrivilege N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: 33 N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: SeIncBasePriorityPrivilege N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: 33 N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A
Token: SeIncBasePriorityPrivilege N/A C:\ProgramData\Application Data\DRM\Phxph.png N/A

Processes

C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe

"C:\Users\Admin\AppData\Local\Temp\208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f.exe"

C:\ProgramData\Application Data\DRM\Phxph.png

"C:\ProgramData\Application Data\DRM\Phxph.png" -auto

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\208904~1.EXE > nul

C:\ProgramData\Application Data\DRM\Phxph.png

"C:\ProgramData\Application Data\DRM\Phxph.png" -acsi

C:\Windows\SysWOW64\PING.EXE

ping -n 2 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
CN 123.57.230.217:3312 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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
CN 123.57.230.217:3312 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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
CN 123.57.230.217:3312 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
CN 123.57.230.217:3312 tcp
CN 123.57.230.217:3312 tcp

Files

memory/3672-0-0x0000000010000000-0x000000001019F000-memory.dmp

C:\ProgramData\DRM\Phxph.png

MD5 ffd46ca04ccb4ace69b9115bc75a8466
SHA1 c877e6d1e312d5666c749759915381dfe3a0f6dd
SHA256 208904cb78de94206b46eca6ad150012b927c95ee9e3b1026888978cd2c3cf6f
SHA512 e7b83abb38139e7b4d3c3d2bddee60faf09b8dd270bdf44ff9802862bc9c14ff7f98c08c54871d80aea05cbc160551b76234b3f50b5068ebfeabca2e5204eb08

memory/4560-10-0x0000000010000000-0x000000001019F000-memory.dmp