Malware Analysis Report

2025-06-15 20:14

Sample ID 230207-r2r3vafd7x
Target 8997086982.zip
SHA256 079ee70660167b7561018410c7b27d8b51453549c5a953a5e66598700240c1e2
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

079ee70660167b7561018410c7b27d8b51453549c5a953a5e66598700240c1e2

Threat Level: Known bad

The file 8997086982.zip was found to be: Known bad.

Malicious Activity Summary

lockbit ransomware

Lockbit family

Rule to detect Lockbit 3.0 ransomware Windows payload

Lockbit

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-02-07 14:41

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

2023-02-07 14:41

Reported

2023-02-07 14:44

Platform

win7-20221111-en

Max time kernel

31s

Max time network

34s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1

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:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1

Network

N/A

Files

memory/864-54-0x0000000000000000-mapping.dmp

memory/864-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

memory/864-56-0x0000000010000000-0x0000000010029000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-07 14:41

Reported

2023-02-07 14:43

Platform

win10v2004-20221111-en

Max time kernel

91s

Max time network

93s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5112 wrote to memory of 4840 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5112 wrote to memory of 4840 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5112 wrote to memory of 4840 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c442383af4a3bb13538949702c54304c60167cd9dccf3cb2a356895572f161d9.dll,#1

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
JP 40.74.98.195:443 tcp
NL 104.80.225.205:443 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp

Files

memory/4840-132-0x0000000000000000-mapping.dmp

memory/4840-133-0x0000000010000000-0x0000000010029000-memory.dmp