Malware Analysis Report

2025-06-15 20:12

Sample ID 230306-ny2lbscb46
Target 4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0
SHA256 66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02
Tags
lockbit ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

66f7a4ea923ecc8cdaa74b930cbd103b7170e06585c3f4dbfb7c113e05beaa02

Threat Level: Known bad

The file 4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0 was found to be: Known bad.

Malicious Activity Summary

lockbit ransomware

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Lockbit

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-06 11:49

Signatures

Lockbit family

lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-06 11:49

Reported

2023-03-06 11:52

Platform

win7-20230220-en

Max time kernel

31s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"

Signatures

Lockbit

ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe

"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 88

Network

N/A

Files

memory/1304-54-0x0000000000400000-0x0000000000427000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-06 11:49

Reported

2023-03-06 11:52

Platform

win10v2004-20230220-en

Max time kernel

79s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"

Signatures

Lockbit

ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe

"C:\Users\Admin\AppData\Local\Temp\4fe51b2fd9b481f74f5b56ecb2ab97b3268ba6d0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2052 -ip 2052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 272

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 20.189.173.2:443 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 0.77.109.52.in-addr.arpa udp
US 13.107.4.50:80 tcp

Files

memory/2052-136-0x0000000000400000-0x0000000000427000-memory.dmp