Malware Analysis Report

2024-09-23 11:18

Sample ID 240615-a4ag5sshnc
Target ac492cdba4bd1c572fdc58887034b317_JaffaCakes118
SHA256 7975bc7c8e3349457aad6e782fe035b1f50effe5588709c3d952642d9d101663
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

7975bc7c8e3349457aad6e782fe035b1f50effe5588709c3d952642d9d101663

Threat Level: Shows suspicious behavior

The file ac492cdba4bd1c572fdc58887034b317_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 00:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 00:45

Reported

2024-06-15 00:48

Platform

win7-20240508-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_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\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe"

Network

N/A

Files

memory/2104-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 00:45

Reported

2024-06-15 00:48

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_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\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ac492cdba4bd1c572fdc58887034b317_JaffaCakes118.exe"

Network

Country Destination Domain Proto
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 72.32.126.40.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.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
US 8.8.8.8:53 udp

Files

memory/4468-0-0x0000000000400000-0x00000000004B7000-memory.dmp