Malware Analysis Report

2025-01-03 09:16

Sample ID 240620-n2dzfawcjf
Target 05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118
SHA256 1f75d0654505cda9bb4b32eef45e576ed3b3c2c3e47151e581c5a276d2ef8fdb
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

1f75d0654505cda9bb4b32eef45e576ed3b3c2c3e47151e581c5a276d2ef8fdb

Threat Level: Shows suspicious behavior

The file 05bdad90e0d17ed8f84f9bb5ff2fca0d_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

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 11:53

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 11:53

Reported

2024-06-20 11:55

Platform

win7-20240611-en

Max time kernel

0s

Max time network

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_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\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe"

Network

N/A

Files

memory/2484-0-0x0000000000402000-0x0000000000405000-memory.dmp

memory/2484-1-0x0000000000400000-0x0000000000449000-memory.dmp

memory/2484-2-0x0000000000400000-0x0000000000449000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 11:53

Reported

2024-06-20 11:55

Platform

win10v2004-20240226-en

Max time kernel

33s

Max time network

39s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_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\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\05bdad90e0d17ed8f84f9bb5ff2fca0d_JaffaCakes118.exe"

Network

Country Destination Domain Proto
GB 96.16.110.114:80 tcp
US 8.8.8.8:53 164.189.21.2.in-addr.arpa udp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp

Files

memory/4744-0-0x0000000000402000-0x0000000000405000-memory.dmp

memory/4744-1-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4744-2-0x0000000000400000-0x0000000000449000-memory.dmp

memory/4744-5-0x0000000000402000-0x0000000000405000-memory.dmp