Malware Analysis Report

2025-05-05 20:48

Sample ID 250420-lkhj7a1taz
Target 2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit
SHA256 08c75785a3a541a250de1772d1606c0b54dd54f81ba0c54acf2b792a7de2c6b9
Tags
lockbit discovery ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V16

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

08c75785a3a541a250de1772d1606c0b54dd54f81ba0c54acf2b792a7de2c6b9

Threat Level: Known bad

The file 2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit was found to be: Known bad.

Malicious Activity Summary

lockbit discovery ransomware

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Lockbit

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-04-20 09:35

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

2025-04-20 09:35

Reported

2025-04-20 09:37

Platform

win10v2004-20250410-en

Max time kernel

104s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe"

Signatures

Lockbit

ransomware lockbit

Lockbit family

lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

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\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe

"C:\Users\Admin\AppData\Local\Temp\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4024 -ip 4024

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 264

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 c.pki.goog udp
NL 173.194.69.94:80 c.pki.goog tcp
US 8.8.8.8:53 udp

Files

memory/4024-0-0x0000000000400000-0x0000000000429000-memory.dmp

memory/4024-1-0x0000000000400000-0x0000000000429000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-04-20 09:35

Reported

2025-04-20 09:37

Platform

win11-20250410-en

Max time kernel

101s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe"

Signatures

Lockbit

ransomware lockbit

Lockbit family

lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

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

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\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe

"C:\Users\Admin\AppData\Local\Temp\2025-04-20_0d1bff305857a7db5d2e72f7f0f08901_elex_lockbit.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1000 -ip 1000

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 276

Network

Files

memory/1000-0-0x0000000000400000-0x0000000000429000-memory.dmp

memory/1000-1-0x0000000000400000-0x0000000000429000-memory.dmp