Malware Analysis Report

2024-11-16 13:21

Sample ID 240613-fnjzjayenj
Target a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118
SHA256 1ad564ee03d9c554f128a74805e0d2d8fa6b739acfe4b99c9dba468db27a6842
Tags
evasion trojan
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

1ad564ee03d9c554f128a74805e0d2d8fa6b739acfe4b99c9dba468db27a6842

Threat Level: Shows suspicious behavior

The file a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

evasion trojan

Checks whether UAC is enabled

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 05:01

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 05:01

Reported

2024-06-13 05:03

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

52s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_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\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Internet Explorer\IESettingSync C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4472 -ip 4472

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 2312

Network

Country Destination Domain Proto
US 8.8.8.8:53 stiekehelp.gameassists.co.uk udp
US 8.8.8.8:53 luxuryvipermit.mgsmup.com udp
N/A 255.255.255.255:80 udp
US 8.8.8.8:53 pcm3.valueactive.eu udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 05:01

Reported

2024-06-13 05:03

Platform

win7-20240419-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_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\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3e685cb0a4c97a1ae32a49dd34753ca_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 stiekehelp.gameassists.co.uk udp

Files

N/A