Malware Analysis Report

2025-05-05 20:52

Sample ID 230602-ht24eaac86
Target LBB_pass_exe.zip
SHA256 40406fd8c1d7e3c44dff7dfe669dd0a681e22aea3a4a31ba7df7e3a9c5e4be75
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 Overview

score
10/10

SHA256

40406fd8c1d7e3c44dff7dfe669dd0a681e22aea3a4a31ba7df7e3a9c5e4be75

Threat Level: Known bad

The file LBB_pass_exe.zip was found to be: Known bad.

Malicious Activity Summary

lockbit ransomware

Lockbit

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-06-02 07:02

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-06-02 07:02

Reported

2023-06-02 07:03

Platform

win7-20230220-en

Max time kernel

31s

Max time network

34s

Command Line

"C:\Users\Admin\AppData\Local\Temp\LBB_pass_exe.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

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Local\Temp\LBB_pass_exe.exe

Processes

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 88

Network

N/A

Files

memory/2044-54-0x0000000000400000-0x000000000042B000-memory.dmp