Malware Analysis Report

2025-05-05 20:52

Sample ID 230607-ee4rxahc91
Target d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.zip
SHA256 498e3b7a867d41b5a3af3910d2aa6231612c787ce8a4bc14ab03f800caab130f
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

498e3b7a867d41b5a3af3910d2aa6231612c787ce8a4bc14ab03f800caab130f

Threat Level: Known bad

The file d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.zip was found to be: Known bad.

Malicious Activity Summary

lockbit ransomware

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Lockbit

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-06-07 03:52

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

2023-06-07 03:52

Reported

2023-06-07 03:54

Platform

win7-20230220-en

Max time kernel

28s

Max time network

30s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe

"C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 88

Network

N/A

Files

memory/920-54-0x0000000000400000-0x000000000042C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-06-07 03:52

Reported

2023-06-07 03:54

Platform

win10v2004-20230220-en

Max time kernel

105s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.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\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe

"C:\Users\Admin\AppData\Local\Temp\d61af007f6c792b8fb6c677143b7d0e2533394e28c50737588e40da475c040ee.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1860 -ip 1860

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 212

Network

Country Destination Domain Proto
US 52.152.110.14:443 tcp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 52.168.112.67:443 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 0.77.109.52.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 93.184.221.240:80 tcp

Files

memory/1860-133-0x0000000000400000-0x000000000042C000-memory.dmp