Malware Analysis Report

2024-10-18 22:05

Sample ID 240616-164rwavclj
Target b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118
SHA256 c092bf3038b99cd9d5b4a7bea08358f4df941c240f1b57995068014ab418250a
Tags
bootkit 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

c092bf3038b99cd9d5b4a7bea08358f4df941c240f1b57995068014ab418250a

Threat Level: Shows suspicious behavior

The file b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-16 22:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 22:16

Reported

2024-06-16 22:19

Platform

win7-20240611-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 installers.axeso5.com udp
US 52.44.107.203:80 installers.axeso5.com tcp
US 8.8.8.8:53 ajax.googleapis.com udp
US 52.44.107.203:80 installers.axeso5.com tcp
DE 142.250.186.74:80 ajax.googleapis.com tcp
NL 216.58.206.78:80 www.google-analytics.com tcp
US 8.8.8.8:53 cdn.axeso5.com udp
US 8.8.8.8:53 stats.g.doubleclick.net udp
GB 89.187.167.2:80 cdn.axeso5.com tcp
GB 89.187.167.2:80 cdn.axeso5.com tcp
BE 108.177.15.157:443 stats.g.doubleclick.net tcp

Files

memory/2108-0-0x0000000000E20000-0x000000000114E000-memory.dmp

memory/2108-42-0x0000000000E20000-0x000000000114E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 22:16

Reported

2024-06-16 22:19

Platform

win10v2004-20240611-en

Max time kernel

92s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b573d4d0f077ef9cc625baf2a3054638_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1904 -ip 1904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 1920

Network

Country Destination Domain Proto
US 8.8.8.8:53 installers.axeso5.com udp
US 52.44.107.203:80 installers.axeso5.com tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 203.107.44.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
BE 88.221.83.208:443 www.bing.com tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 208.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1904-0-0x0000000000650000-0x000000000097E000-memory.dmp

memory/1904-1-0x0000000000650000-0x000000000097E000-memory.dmp