Malware Analysis Report

2024-11-30 15:37

Sample ID 210514-r896t9rfr6
Target 4c80e5212c71b86274b03c7e90df62a6.exe
SHA256 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
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

552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17

Threat Level: Known bad

The file 4c80e5212c71b86274b03c7e90df62a6.exe was found to be: Known bad.

Malicious Activity Summary

phorphiex evasion loader persistence trojan worm

Phorphiex Worm

Windows security bypass

Phorphiex Payload

Phorphiex family

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

2021-05-14 18:16

Signatures

Phorphiex Payload

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

Phorphiex family

phorphiex

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-14 18:16

Reported

2021-05-14 18:19

Platform

win7v20210408

Max time kernel

147s

Max time network

194s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.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:\14641813010301\wininet.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.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:\14641813010301\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\14641813010301\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\14641813010301\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\14641813010301\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\14641813010301\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\14641813010301\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\14641813010301\wininet.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:\\14641813010301\\wininet.exe" C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\14641813010301\\wininet.exe" C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe

"C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe"

C:\14641813010301\wininet.exe

C:\14641813010301\wininet.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 185.215.113.93:80 tcp
N/A 185.215.113.93:80 tcp
N/A 185.215.113.93:80 tcp
N/A 131.188.40.189:443 tcp
N/A 127.0.0.1:59286 tcp
N/A 185.215.113.93:80 tcp
N/A 131.188.40.189:443 tcp
N/A 185.215.113.93:80 tcp

Files

memory/1988-59-0x00000000767B1000-0x00000000767B3000-memory.dmp

\14641813010301\wininet.exe

MD5 4c80e5212c71b86274b03c7e90df62a6
SHA1 27fb49e915fba0537c26f2e3643c8ed079cd5e45
SHA256 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
SHA512 4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453

C:\14641813010301\wininet.exe

MD5 4c80e5212c71b86274b03c7e90df62a6
SHA1 27fb49e915fba0537c26f2e3643c8ed079cd5e45
SHA256 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
SHA512 4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453

memory/928-61-0x0000000000000000-mapping.dmp

C:\14641813010301\wininet.exe

MD5 4c80e5212c71b86274b03c7e90df62a6
SHA1 27fb49e915fba0537c26f2e3643c8ed079cd5e45
SHA256 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
SHA512 4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-14 18:16

Reported

2021-05-14 18:18

Platform

win10v20210408

Max time kernel

150s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.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:\235292373222976\wininet.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:\235292373222976\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\235292373222976\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\235292373222976\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\235292373222976\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\235292373222976\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\235292373222976\wininet.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\235292373222976\wininet.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\235292373222976\\wininet.exe" C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\235292373222976\\wininet.exe" C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe

"C:\Users\Admin\AppData\Local\Temp\4c80e5212c71b86274b03c7e90df62a6.exe"

C:\235292373222976\wininet.exe

C:\235292373222976\wininet.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 8.8.8.8:53 api.wipmania.com udp
N/A 185.215.113.93:80 tcp
N/A 185.215.113.93:80 tcp
N/A 185.215.113.93:80 tcp
N/A 127.0.0.1:54667 tcp
N/A 86.59.21.38:80 tcp
N/A 185.215.113.93:80 tcp
N/A 95.217.42.50:1067 tcp
N/A 185.215.113.93:80 tcp
N/A 149.56.45.200:9030 tcp
N/A 185.215.113.93:80 tcp

Files

memory/1172-114-0x0000000000000000-mapping.dmp

C:\235292373222976\wininet.exe

MD5 4c80e5212c71b86274b03c7e90df62a6
SHA1 27fb49e915fba0537c26f2e3643c8ed079cd5e45
SHA256 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
SHA512 4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453

C:\235292373222976\wininet.exe

MD5 4c80e5212c71b86274b03c7e90df62a6
SHA1 27fb49e915fba0537c26f2e3643c8ed079cd5e45
SHA256 552ac0917f936b6075b045c778da6f150cde88ebd89c8dd98ab8d0f2bf6a9e17
SHA512 4135fc58ae7e2b6ad2ca82d955d2028f12dcdb97ac8388811f5e7687b0fa8e1845f383862ba2afd1170c1832f47536c615c4817ead432e2773fe0d18b4684453