Malware Analysis Report

2025-01-22 20:50

Sample ID 241125-tekfla1kgr
Target builder (1).exe
SHA256 a736269f5f3a9f2e11dd776e352e1801bc28bb699e47876784b8ef761e0062db
Tags
discovery lockbit blackmatter
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 (1).exe was found to be: Known bad.

Malicious Activity Summary

discovery lockbit blackmatter

Blackmatter family

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 15:58

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

2024-11-25 15:58

Reported

2024-11-25 16:00

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\builder (1).exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\builder (1).exe

"C:\Users\Admin\AppData\Local\Temp\builder (1).exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-25 15:58

Reported

2024-11-25 16:00

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\builder (1).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 (1).exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\builder (1).exe

"C:\Users\Admin\AppData\Local\Temp\builder (1).exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

N/A