Malware Analysis Report

2025-06-16 06:59

Sample ID 241104-crlezszncv
Target 8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118
SHA256 b2641d832f37282cde671e32427fd7b9a3893327b173fab286a750624fcfe346
Tags
discovery evasion trojan
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

b2641d832f37282cde671e32427fd7b9a3893327b173fab286a750624fcfe346

Threat Level: Shows suspicious behavior

The file 8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion trojan

Checks whether UAC is enabled

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 02:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 02:18

Reported

2024-11-04 04:03

Platform

win7-20240903-en

Max time kernel

121s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A

Enumerates physical storage devices

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\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 02:18

Reported

2024-11-04 04:04

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe"

Signatures

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_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\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\8ea91f4f8ffe8bbd51d7c652d83ab82d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.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
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A