Malware Analysis Report

2024-11-30 15:08

Sample ID 201201-4xmjh4d4jj
Target f4d7d721f68bc9a80aaf53bc184a3c58.exe
SHA256 7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a
Tags
phorphiex evasion loader persistence trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a

Threat Level: Known bad

The file f4d7d721f68bc9a80aaf53bc184a3c58.exe was found to be: Known bad.

Malicious Activity Summary

phorphiex evasion loader persistence trojan worm

Phorphiex family

Phorphiex Payload

Phorphiex Worm

Windows security bypass

Executes dropped EXE

Loads dropped DLL

Windows security modification

Adds Run key to start application

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-01 08:57

Signatures

Phorphiex Payload

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

Phorphiex family

phorphiex

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-01 08:57

Reported

2020-12-01 08:59

Platform

win7v20201028

Max time kernel

149s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe"

Signatures

Phorphiex 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

Phorphiex Worm

worm trojan loader phorphiex

Windows security bypass

evasion trojan

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\17068261879048\svchost.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\17068261879048\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\17068261879048\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\17068261879048\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\17068261879048\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\17068261879048\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\17068261879048\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\17068261879048\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\17068261879048\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\17068261879048\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe

"C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe"

C:\17068261879048\svchost.exe

C:\17068261879048\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 tldrnet.top udp
N/A 217.8.117.10:80 tldrnet.top tcp
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 217.8.117.10:80 tldrnet.top tcp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 8.8.8.8:53 worm.ws udp
N/A 217.8.117.10:80 worm.ws tcp
N/A 217.8.117.10:80 worm.ws tcp
N/A 217.8.117.10:80 worm.ws tcp
N/A 217.8.117.10:80 worm.ws tcp

Files

memory/1468-2-0x000007FEF7510000-0x000007FEF778A000-memory.dmp

\17068261879048\svchost.exe

MD5 f4d7d721f68bc9a80aaf53bc184a3c58
SHA1 9e8a43f4c8d4c84a96496c5805835cd383a664fb
SHA256 7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a
SHA512 30cf8a555438b35a829471a59f5d5a5e85d65c83f2982cb78b7e6a48e55ad19a082011fce392a3d52090f5b0c447ee415097fe11cec9b83cc59229bd55069833

memory/928-4-0x0000000000000000-mapping.dmp

C:\17068261879048\svchost.exe

MD5 f4d7d721f68bc9a80aaf53bc184a3c58
SHA1 9e8a43f4c8d4c84a96496c5805835cd383a664fb
SHA256 7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a
SHA512 30cf8a555438b35a829471a59f5d5a5e85d65c83f2982cb78b7e6a48e55ad19a082011fce392a3d52090f5b0c447ee415097fe11cec9b83cc59229bd55069833

C:\17068261879048\svchost.exe

MD5 f4d7d721f68bc9a80aaf53bc184a3c58
SHA1 9e8a43f4c8d4c84a96496c5805835cd383a664fb
SHA256 7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a
SHA512 30cf8a555438b35a829471a59f5d5a5e85d65c83f2982cb78b7e6a48e55ad19a082011fce392a3d52090f5b0c447ee415097fe11cec9b83cc59229bd55069833

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-01 08:57

Reported

2020-12-01 08:59

Platform

win10v20201028

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe"

Signatures

Phorphiex Payload

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

Phorphiex Worm

worm trojan loader phorphiex

Windows security bypass

evasion trojan

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\9517111106465\svchost.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\9517111106465\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\9517111106465\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\9517111106465\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\9517111106465\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\9517111106465\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\9517111106465\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\9517111106465\svchost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\9517111106465\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\9517111106465\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe

"C:\Users\Admin\AppData\Local\Temp\f4d7d721f68bc9a80aaf53bc184a3c58.exe"

C:\9517111106465\svchost.exe

C:\9517111106465\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 tldrnet.top udp
N/A 217.8.117.10:80 tldrnet.top tcp
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 217.8.117.10:80 tldrnet.top tcp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 8.8.8.8:53 worm.ws udp
N/A 217.8.117.10:80 worm.ws tcp
N/A 217.8.117.10:80 worm.ws tcp
N/A 217.8.117.10:80 worm.ws tcp
N/A 217.8.117.10:80 worm.ws tcp

Files

memory/204-2-0x0000000000000000-mapping.dmp

C:\9517111106465\svchost.exe

MD5 f4d7d721f68bc9a80aaf53bc184a3c58
SHA1 9e8a43f4c8d4c84a96496c5805835cd383a664fb
SHA256 7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a
SHA512 30cf8a555438b35a829471a59f5d5a5e85d65c83f2982cb78b7e6a48e55ad19a082011fce392a3d52090f5b0c447ee415097fe11cec9b83cc59229bd55069833

C:\9517111106465\svchost.exe

MD5 f4d7d721f68bc9a80aaf53bc184a3c58
SHA1 9e8a43f4c8d4c84a96496c5805835cd383a664fb
SHA256 7fff83cae8e0c8848bfdef443f51b5caea1474814c5d1691f0ccf0f3bcd7392a
SHA512 30cf8a555438b35a829471a59f5d5a5e85d65c83f2982cb78b7e6a48e55ad19a082011fce392a3d52090f5b0c447ee415097fe11cec9b83cc59229bd55069833