Malware Analysis Report

2024-09-23 11:52

Sample ID 240612-w67rbavfpd
Target a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118
SHA256 bf3533742fac893338c02f6d4547a87143dcf17def5e76fef266a65a9f2b0882
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

bf3533742fac893338c02f6d4547a87143dcf17def5e76fef266a65a9f2b0882

Threat Level: Shows suspicious behavior

The file a1c2b9cdcdcac88b81d278c22ae9996f_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

2024-06-12 18:33

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-12 18:33

Reported

2024-06-12 18:35

Platform

win10v2004-20240508-en

Max time kernel

87s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1c2b9cdcdcac88b81d278c22ae9996f_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\a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip.qq.com udp
US 8.8.8.8:53 www.ip138.com udp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp
IE 52.111.236.23:443 tcp

Files

memory/4036-0-0x0000000000400000-0x00000000004F6000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 18:33

Reported

2024-06-12 18:35

Platform

win7-20240611-en

Max time kernel

128s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1c2b9cdcdcac88b81d278c22ae9996f_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\a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a1c2b9cdcdcac88b81d278c22ae9996f_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip.qq.com udp
US 8.8.8.8:53 www.ip138.com udp
GB 163.171.129.134:80 www.ip138.com tcp
US 8.8.8.8:53 top.ip138.com udp
GB 138.113.149.152:80 top.ip138.com tcp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp
CN 115.28.247.186:80 tcp

Files

memory/2324-0-0x0000000000400000-0x00000000004F6000-memory.dmp