Malware Analysis Report

2025-06-16 06:56

Sample ID 241104-ce4qsszhqc
Target 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118
SHA256 0cd03a73a368df60386f9d5d5f2511c2ead65f0488fde89f5184083a4fbf5885
Tags
adware discovery evasion persistence 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

0cd03a73a368df60386f9d5d5f2511c2ead65f0488fde89f5184083a4fbf5885

Threat Level: Known bad

The file 8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

adware discovery evasion persistence stealer trojan

UAC bypass

Adds Run key to start application

Checks whether UAC is enabled

Installs/modifies Browser Helper Object

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

System policy modification

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 02:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 02:00

Reported

2024-11-04 04:47

Platform

win7-20240729-en

Max time kernel

140s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.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\MSNGS = "Rundll32.exe C:\\Windows\\msmsgs.txt,ini" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\iexplorer.txt C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32\ = "C:\\Windows\\iexplorer.txt" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 d2707.com udp

Files

memory/2488-0-0x0000000000230000-0x0000000000231000-memory.dmp

memory/2488-1-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2488-2-0x0000000000400000-0x0000000000464000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 02:00

Reported

2024-11-04 04:28

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe"

Signatures

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.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\MSNGS = "Rundll32.exe C:\\Windows\\msmsgs.txt,ini" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Installs/modifies Browser Helper Object

stealer adware
Description Indicator Process Target
Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\iexplorer.txt C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32 C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32\ = "C:\\Windows\\iexplorer.txt" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB}\InProcServer32\ThreadingModel = "Apartment" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FCADDC14-BD46-408A-9842-CDBE1C6D37EB} C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

System policy modification

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8e973b1995b1e62408bcbde5697b7b28_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 d2707.com udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3612-0-0x0000000000770000-0x0000000000771000-memory.dmp

memory/3612-1-0x0000000000400000-0x0000000000464000-memory.dmp

memory/3612-2-0x0000000000770000-0x0000000000771000-memory.dmp

memory/3612-3-0x0000000000400000-0x0000000000464000-memory.dmp