Malware Analysis Report

2025-01-03 09:25

Sample ID 240620-pe75fa1cqk
Target 05e56b543d49b5691df74e8f69ed594e_JaffaCakes118
SHA256 50b2882423ef5a5ac537c5e2481e57c639e7931ba7506c5802dda28a96011029
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

50b2882423ef5a5ac537c5e2481e57c639e7931ba7506c5802dda28a96011029

Threat Level: Shows suspicious behavior

The file 05e56b543d49b5691df74e8f69ed594e_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 12:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 12:15

Reported

2024-06-20 12:18

Platform

win7-20240221-en

Max time kernel

31s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_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\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe"

Network

N/A

Files

memory/1096-0-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1096-1-0x0000000000400000-0x0000000000429000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 12:15

Reported

2024-06-20 12:15

Platform

win10v2004-20240611-en

Max time kernel

0s

Max time network

2s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_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\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05e56b543d49b5691df74e8f69ed594e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1360-0-0x0000000000400000-0x0000000000429000-memory.dmp