Malware Analysis Report

2025-08-05 12:51

Sample ID 240509-bff6fshf9x
Target 278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118
SHA256 82b3e4bc02d224733f11f264c3c247881707e20fea0692a0ea0390698f42ceb7
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

82b3e4bc02d224733f11f264c3c247881707e20fea0692a0ea0390698f42ceb7

Threat Level: Shows suspicious behavior

The file 278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 01:05

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 01:04

Reported

2024-05-09 01:07

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\278f586ac8d721b3657ae3aeb7f95ab4_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\278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tj.kpzip.com udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 01:04

Reported

2024-05-09 01:07

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\278f586ac8d721b3657ae3aeb7f95ab4_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tj.kpzip.com udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

N/A