Malware Analysis Report

2024-11-30 15:09

Sample ID 210104-lf3r8dw8sj
Target 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
SHA256 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
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

66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be

Threat Level: Known bad

The file 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be was found to be: Known bad.

Malicious Activity Summary

phorphiex evasion loader persistence trojan worm

Phorphiex Payload

Phorphiex family

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

2021-01-04 19:01

Signatures

Phorphiex Payload

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

Phorphiex family

phorphiex

Analysis: behavioral1

Detonation Overview

Submitted

2021-01-04 19:01

Reported

2021-01-04 19:03

Platform

win7v20201028

Max time kernel

151s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.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:\2154297487807\svchost.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\2154297487807\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\2154297487807\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\2154297487807\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\2154297487807\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\2154297487807\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\2154297487807\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\2154297487807\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:\\2154297487807\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.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:\\2154297487807\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.exe

"C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.exe"

C:\2154297487807\svchost.exe

C:\2154297487807\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp

Files

memory/1840-2-0x000007FEF7E60000-0x000007FEF80DA000-memory.dmp

\2154297487807\svchost.exe

MD5 27c9477f14015cf13c9a0ad87e0f3e9d
SHA1 40cd3667f8f5b2f97e193c3292fa5d975256d4c2
SHA256 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
SHA512 f2047d116e39309c9f72e96981468f6264f76d1e33c7f1db757773684f503740dc763d8d68f24dbed4a1dfb43a04103b6ef79fc9549641f9a70f27deb17b6922

memory/268-4-0x0000000000000000-mapping.dmp

C:\2154297487807\svchost.exe

MD5 27c9477f14015cf13c9a0ad87e0f3e9d
SHA1 40cd3667f8f5b2f97e193c3292fa5d975256d4c2
SHA256 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
SHA512 f2047d116e39309c9f72e96981468f6264f76d1e33c7f1db757773684f503740dc763d8d68f24dbed4a1dfb43a04103b6ef79fc9549641f9a70f27deb17b6922

C:\2154297487807\svchost.exe

MD5 27c9477f14015cf13c9a0ad87e0f3e9d
SHA1 40cd3667f8f5b2f97e193c3292fa5d975256d4c2
SHA256 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
SHA512 f2047d116e39309c9f72e96981468f6264f76d1e33c7f1db757773684f503740dc763d8d68f24dbed4a1dfb43a04103b6ef79fc9549641f9a70f27deb17b6922

Analysis: behavioral2

Detonation Overview

Submitted

2021-01-04 19:01

Reported

2021-01-04 19:03

Platform

win10v20201028

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.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:\235411555729342\svchost.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\235411555729342\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\235411555729342\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\235411555729342\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\235411555729342\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\235411555729342\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\235411555729342\svchost.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\235411555729342\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:\\235411555729342\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.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:\\235411555729342\\svchost.exe" C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.exe

"C:\Users\Admin\AppData\Local\Temp\66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be.exe"

C:\235411555729342\svchost.exe

C:\235411555729342\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 212.83.168.196:80 api.wipmania.com tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 185.215.113.10:80 tcp
N/A 8.8.8.8:53 worm.ws udp
N/A 185.215.113.10:80 worm.ws tcp

Files

C:\235411555729342\svchost.exe

MD5 27c9477f14015cf13c9a0ad87e0f3e9d
SHA1 40cd3667f8f5b2f97e193c3292fa5d975256d4c2
SHA256 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
SHA512 f2047d116e39309c9f72e96981468f6264f76d1e33c7f1db757773684f503740dc763d8d68f24dbed4a1dfb43a04103b6ef79fc9549641f9a70f27deb17b6922

memory/2848-2-0x0000000000000000-mapping.dmp

C:\235411555729342\svchost.exe

MD5 27c9477f14015cf13c9a0ad87e0f3e9d
SHA1 40cd3667f8f5b2f97e193c3292fa5d975256d4c2
SHA256 66cb84b7b5d9470bb4c6b491b5911c971aa7cca6fe03573868212a9b117a48be
SHA512 f2047d116e39309c9f72e96981468f6264f76d1e33c7f1db757773684f503740dc763d8d68f24dbed4a1dfb43a04103b6ef79fc9549641f9a70f27deb17b6922