Malware Analysis Report

2024-10-16 03:21

Sample ID 240916-q5efgs1bjc
Target builder.exe
SHA256 a736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db
Tags
lockbit blackmatter discovery
score
10/10

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
10/10

SHA256

a736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db

Threat Level: Known bad

The file builder.exe was found to be: Known bad.

Malicious Activity Summary

lockbit blackmatter discovery

Blackmatter family

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-16 13:50

Signatures

Blackmatter family

blackmatter

Lockbit family

lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-16 13:50

Reported

2024-09-16 13:53

Platform

win7-20240708-en

Max time kernel

120s

Max time network

122s

Command Line

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

Signatures

N/A

Processes

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

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

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-16 13:50

Reported

2024-09-16 13:50

Platform

win10v2004-20240802-en

Max time kernel

6s

Max time network

9s

Command Line

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

Signatures

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\builder.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp

Files

N/A