Malware Analysis Report

2025-03-14 22:29

Sample ID 240407-xxcegscc95
Target e5a889547b20c0e24163c552ec625d96_JaffaCakes118
SHA256 02a3da70c4e02f49cad7fe50f5584b28ad5ab78d1a5f2128cc1b1b9265a2c606
Tags
persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

02a3da70c4e02f49cad7fe50f5584b28ad5ab78d1a5f2128cc1b1b9265a2c606

Threat Level: Shows suspicious behavior

The file e5a889547b20c0e24163c552ec625d96_JaffaCakes118 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

2024-04-07 19:13

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 19:13

Reported

2024-04-07 19:16

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hunatcha = "C:\\Windows\\System32\\update.exe" C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\update.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\update.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\WINDOWS\SysWOW64\inetsrv.dll .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\KaZaa\My Shared Folder\porno+18.mpeg .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\remoteotherkazaa.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladygaga.mp3 .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladyinbed.avi .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\ReadMe!.nfo .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\game-collection.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\softpacked.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\LimeWire\gratis.zip.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\LimeWire\My Shared Folder\spaceticket.doc .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\gratis.mp3.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\maliciousremovaltool.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\list-download.txt .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\InternetRegistry\Hunatcha = "C:\\Windows\\System32\\update.exe" C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\irc\Shell\open\command C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\irc C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\irc\Shell C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\irc\Shell\open C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\irc\Shell\open\command\Send = "C:\\Windows\\System32\\update.exe" C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 130.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/2200-2-0x0000000000400000-0x000000000425D000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 19:13

Reported

2024-04-07 19:16

Platform

win7-20240221-en

Max time kernel

117s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hunatcha = "C:\\Windows\\System32\\update.exe" C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\update.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\update.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\WINDOWS\SysWOW64\inetsrv.dll .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\KaZaa\ReadMe!.nfo .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\list-download.txt .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\porno+18.mpeg .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\remoteotherkazaa.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\softpacked.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\LimeWire\gratis.zip.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\gratis.mp3.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladygaga.mp3 .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\game-collection.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\LimeWire\My Shared Folder\spaceticket.doc .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\maliciousremovaltool.exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
File created C:\Program Files\KaZaa\My Shared Folder\ladyinbed.avi .exe C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\InternetRegistry C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\InternetRegistry\Hunatcha = "C:\\Windows\\System32\\update.exe" C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\irc\Shell\open\command C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\irc C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\irc\Shell C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\irc\Shell\open C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\irc\Shell\open\command\Send = "C:\\Windows\\System32\\update.exe" C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a889547b20c0e24163c552ec625d96_JaffaCakes118.exe"

Network

N/A

Files

memory/1252-2-0x0000000000400000-0x000000000425D000-memory.dmp