Malware Analysis Report

2024-09-23 13:15

Sample ID 240613-cg45cazhrb
Target 9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.zip
SHA256 50ff466a2f0cd780cc7699db57f8a650d41390689fcf722536072e8a12253897
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

50ff466a2f0cd780cc7699db57f8a650d41390689fcf722536072e8a12253897

Threat Level: Shows suspicious behavior

The file 9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.zip was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-13 02:03

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 02:03

Reported

2024-06-13 02:06

Platform

win7-20240508-en

Max time kernel

118s

Max time network

124s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.zip

Signatures

N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.zip

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 02:03

Reported

2024-06-13 02:06

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

153s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.zip

Signatures

N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.zip

Network

Country Destination Domain Proto
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-13 02:03

Reported

2024-06-13 02:06

Platform

win7-20240220-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.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\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe

"C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe"

Network

N/A

Files

memory/2920-0-0x000000006CD30000-0x000000006CD40000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-13 02:03

Reported

2024-06-13 02:06

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

58s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.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\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe

"C:\Users\Admin\AppData\Local\Temp\9ef4216b6446f008e690e21ed24ce92acb9cedb3365c261ef555dd2527fa9fcb.exe"

Network

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

Files

memory/5028-0-0x000000006D9D0000-0x000000006D9E0000-memory.dmp