Malware Analysis Report

2025-01-18 21:12

Sample ID 240325-clkw9sdc56
Target dcfb8735a653bb9f55dc96448ff8aa43
SHA256 ee9d2a46657122a4a3d1e709890c97fb173c3065e3a0eb38e1e29d75498d8c40
Tags
adware evasion stealer 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

ee9d2a46657122a4a3d1e709890c97fb173c3065e3a0eb38e1e29d75498d8c40

Threat Level: Known bad

The file dcfb8735a653bb9f55dc96448ff8aa43 was found to be: Known bad.

Malicious Activity Summary

adware evasion stealer trojan

Windows security bypass

Modifies firewall policy service

Windows security modification

Installs/modifies Browser Helper Object

Unsigned PE

Modifies Internet Explorer settings

Modifies Internet Explorer start page

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Modifies Internet Explorer Protected Mode

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-25 02:09

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-25 02:09

Reported

2024-03-25 02:12

Platform

win7-20240221-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Modifies Internet Explorer Protected Mode

Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://www.google.com/ie" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Search Bar = "http://www.google.com/ie" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Modifies Internet Explorer start page

stealer
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe

"C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 do-power-scan.com udp
US 8.8.8.8:53 do-step-scan.com udp
US 8.8.8.8:53 do-monster-progress.com udp
US 8.8.8.8:53 domonster-progress.com udp
US 8.8.8.8:53 dopower-scan.com udp
US 8.8.8.8:53 dostep-scan.com udp
US 8.8.8.8:53 do-monsterscan.com udp
US 8.8.8.8:53 do-powerscan.com udp
US 8.8.8.8:53 do-stepscan.com udp
US 8.8.8.8:53 doscan-progress.com udp
US 8.8.8.8:53 do-fixed-progress.com udp
US 8.8.8.8:53 domanaged-scan.com udp
US 8.8.8.8:53 do-managedscan.com udp
US 8.8.8.8:53 domake-progress.com udp

Files

memory/1192-0-0x0000000000400000-0x000000000040D000-memory.dmp

memory/1192-1-0x0000000000400000-0x000000000040D000-memory.dmp

memory/1192-2-0x00000000001B0000-0x00000000001B2000-memory.dmp

memory/1192-3-0x0000000000400000-0x000000000040D000-memory.dmp

memory/1192-4-0x0000000000400000-0x000000000040D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-25 02:09

Reported

2024-03-25 02:12

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe"

Signatures

Modifies firewall policy service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C} C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA} C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Modifies Internet Explorer Protected Mode

Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://www.google.com/ie" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Enable Browser Extensions = "yes" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Bar = "http://www.google.com/ie" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Modifies Internet Explorer start page

stealer
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.google.com" C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe

"C:\Users\Admin\AppData\Local\Temp\dcfb8735a653bb9f55dc96448ff8aa43.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 do-power-scan.com udp
US 8.8.8.8:53 do-step-scan.com udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 do-monster-progress.com udp
US 8.8.8.8:53 domonster-progress.com udp
US 8.8.8.8:53 dopower-scan.com udp
US 8.8.8.8:53 dostep-scan.com udp
US 8.8.8.8:53 do-monsterscan.com udp
US 8.8.8.8:53 do-powerscan.com udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 do-stepscan.com udp
US 8.8.8.8:53 doscan-progress.com udp
US 8.8.8.8:53 do-fixed-progress.com udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 domanaged-scan.com udp
US 8.8.8.8:53 do-managedscan.com udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 domake-progress.com udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 185.13.222.173.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 178.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 90.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/4232-0-0x0000000000400000-0x000000000040D000-memory.dmp

memory/4232-1-0x0000000000400000-0x000000000040D000-memory.dmp

memory/4232-2-0x00000000006B0000-0x00000000006B2000-memory.dmp

memory/4232-3-0x0000000000400000-0x000000000040D000-memory.dmp

memory/4232-4-0x0000000000400000-0x000000000040D000-memory.dmp