Malware Analysis Report

2025-08-11 07:36

Sample ID 241015-3hybassfke
Target 4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118
SHA256 f5f225d330cc6a35b1f469d451d9c6ec95df9a2e7e69801cfa63c354c8dd093b
Tags
bootkit persistence discovery
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

f5f225d330cc6a35b1f469d451d9c6ec95df9a2e7e69801cfa63c354c8dd093b

Threat Level: Shows suspicious behavior

The file 4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence discovery

Writes to the Master Boot Record (MBR)

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 23:31

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 23:31

Reported

2024-10-15 23:34

Platform

win7-20240903-en

Max time kernel

140s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_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\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe"

Network

N/A

Files

memory/2348-0-0x0000000000400000-0x0000000000443000-memory.dmp

memory/2348-1-0x0000000000400000-0x0000000000443000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 23:31

Reported

2024-10-15 23:34

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_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\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\4a7e3b691341a21be4bdc9b7fd7c76c7_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4768-0-0x0000000000400000-0x0000000000443000-memory.dmp

memory/4768-1-0x0000000000400000-0x0000000000443000-memory.dmp