Malware Analysis Report

2025-03-14 22:31

Sample ID 240304-ra5jvsda53
Target b24debcc09359a470778e283f0b7785d
SHA256 fcaf33054b4aeaa5756037be617df478f0d123bae796ee5538a18d49998c8b47
Tags
persistence
score
6/10

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
6/10

SHA256

fcaf33054b4aeaa5756037be617df478f0d123bae796ee5538a18d49998c8b47

Threat Level: Shows suspicious behavior

The file b24debcc09359a470778e283f0b7785d was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Adds Run key to start application

Drops file in System32 directory

Drops file in Program Files directory

Unsigned PE

Modifies Internet Explorer settings

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 14:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 14:00

Reported

2024-03-04 14:03

Platform

win7-20240221-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Branko = "C:\\Windows\\System32\\liveupdate.exe" C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\System32\liveupdate.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File opened for modification C:\Windows\System32\liveupdate.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\WINDOWS\system32\inetsrv.dll .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\KaZaa\My Shared Folder\list-download.txt .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\game-collection.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\remoteotherkazaa.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\LimeWire\gratis.zip.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\gratis.mp3.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\maliciousremovaltool.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\ReadMe!.nfo .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\softpacked.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\LimeWire\My Shared Folder\spaceticket.doc .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladygaga.mp3 .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladyinbed.avi .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\porno+18.mpeg .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Internet Explorer\InternetRegistry\Branko = "C:\\Windows\\System32\\liveupdate.exe" C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7A9D77BD-5403-11d2-8785-2E0420524153} C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe

"C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe"

Network

N/A

Files

memory/1640-2-0x0000000000400000-0x000000000422B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-04 14:00

Reported

2024-03-04 14:02

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Branko = "C:\\Windows\\System32\\liveupdate.exe" C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\System32\liveupdate.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File opened for modification C:\Windows\System32\liveupdate.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\WINDOWS\system32\inetsrv.dll .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\KaZaa\maliciousremovaltool.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladyinbed.avi .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\list-download.txt .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\porno+18.mpeg .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\remoteotherkazaa.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\softpacked.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\gratis.mp3.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladygaga.mp3 .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\ReadMe!.nfo .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\KaZaa\game-collection.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\LimeWire\gratis.zip.exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
File created C:\Program Files\LimeWire\My Shared Folder\spaceticket.doc .exe C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\InternetRegistry\Branko = "C:\\Windows\\System32\\liveupdate.exe" C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7A9D77BD-5403-11d2-8785-2E0420524153} C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe

"C:\Users\Admin\AppData\Local\Temp\b24debcc09359a470778e283f0b7785d.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/1908-2-0x0000000000400000-0x000000000422B000-memory.dmp