Malware Analysis Report

2024-11-30 15:37

Sample ID 210323-b5zrn53nzj
Target 1470026921.bin
SHA256 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
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

36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75

Threat Level: Known bad

The file 1470026921.bin was found to be: Known bad.

Malicious Activity Summary

phorphiex evasion loader persistence trojan worm

Phorphiex family

Windows security bypass

Phorphiex Payload

Phorphiex Worm

Executes dropped EXE

Windows security modification

Loads dropped DLL

Adds Run key to start application

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-03-23 14:19

Signatures

Phorphiex Payload

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

Phorphiex family

phorphiex

Analysis: behavioral1

Detonation Overview

Submitted

2021-03-23 14:19

Reported

2021-03-23 14:21

Platform

win7v20201028

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1470026921.bin.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:\16347122022814\lsass.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\16347122022814\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\16347122022814\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\16347122022814\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\16347122022814\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\16347122022814\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\16347122022814\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\16347122022814\lsass.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:\\16347122022814\\lsass.exe" C:\Users\Admin\AppData\Local\Temp\1470026921.bin.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:\\16347122022814\\lsass.exe" C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe

"C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe"

C:\16347122022814\lsass.exe

C:\16347122022814\lsass.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 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp

Files

memory/1964-2-0x00000000750C1000-0x00000000750C3000-memory.dmp

memory/752-3-0x000007FEF6E90000-0x000007FEF710A000-memory.dmp

\16347122022814\lsass.exe

MD5 7e1691cf656c781f65a949622ac97177
SHA1 6ba004c81c1c8d0d15b6870ed5e8ade812c30840
SHA256 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
SHA512 76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

memory/1036-5-0x0000000000000000-mapping.dmp

C:\16347122022814\lsass.exe

MD5 7e1691cf656c781f65a949622ac97177
SHA1 6ba004c81c1c8d0d15b6870ed5e8ade812c30840
SHA256 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
SHA512 76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

C:\16347122022814\lsass.exe

MD5 7e1691cf656c781f65a949622ac97177
SHA1 6ba004c81c1c8d0d15b6870ed5e8ade812c30840
SHA256 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
SHA512 76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

Analysis: behavioral2

Detonation Overview

Submitted

2021-03-23 14:19

Reported

2021-03-23 14:21

Platform

win10v20201028

Max time kernel

150s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1470026921.bin.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:\228032497121984\lsass.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\228032497121984\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\228032497121984\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\228032497121984\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\228032497121984\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\228032497121984\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\228032497121984\lsass.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\228032497121984\lsass.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:\\228032497121984\\lsass.exe" C:\Users\Admin\AppData\Local\Temp\1470026921.bin.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:\\228032497121984\\lsass.exe" C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe C:\228032497121984\lsass.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe C:\228032497121984\lsass.exe
PID 412 wrote to memory of 4052 N/A C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe C:\228032497121984\lsass.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe

"C:\Users\Admin\AppData\Local\Temp\1470026921.bin.exe"

C:\228032497121984\lsass.exe

C:\228032497121984\lsass.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 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 185.215.113.8:80 tcp
N/A 8.8.8.8:53 tsrv3.ru udp
N/A 185.215.113.93:80 tsrv3.ru tcp
N/A 185.215.113.93:80 tsrv3.ru tcp

Files

memory/4052-2-0x0000000000000000-mapping.dmp

C:\228032497121984\lsass.exe

MD5 7e1691cf656c781f65a949622ac97177
SHA1 6ba004c81c1c8d0d15b6870ed5e8ade812c30840
SHA256 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
SHA512 76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a

C:\228032497121984\lsass.exe

MD5 7e1691cf656c781f65a949622ac97177
SHA1 6ba004c81c1c8d0d15b6870ed5e8ade812c30840
SHA256 36c678b6312352751cf9943e5ed413e9e670ae33fe17aae338b14f9f2c18ef75
SHA512 76686d9126bb2b888231204206848d36c82c4541a1d9f94a2f17e1482cf9d4df5c7b48605db66922ee0de58151121f3bbc02eeb74eb89e67ec64900af889591a