Malware Analysis Report

2024-11-30 11:30

Sample ID 240301-dbhjtsbc76
Target 2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit
SHA256 b9aa1120b6f372a351832fcdb9b6576f3c22e00412128c4ce1717a9e50e1686c
Tags
lockbit ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b9aa1120b6f372a351832fcdb9b6576f3c22e00412128c4ce1717a9e50e1686c

Threat Level: Known bad

The file 2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit was found to be: Known bad.

Malicious Activity Summary

lockbit ransomware

Lockbit family

Lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-01 02:49

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-01 02:49

Reported

2024-03-01 02:52

Platform

win10v2004-20240226-en

Max time kernel

115s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.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
N/A N/A N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2560 -ip 2560

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 264

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3816 --field-trial-handle=2496,i,15897292497548307209,13920214570023230813,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
GB 142.250.187.234:443 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 13.107.246.64:443 tcp

Files

memory/2560-0-0x0000000000400000-0x0000000000429000-memory.dmp

memory/2560-1-0x0000000000400000-0x0000000000429000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-01 02:49

Reported

2024-03-01 02:52

Platform

win7-20240221-en

Max time kernel

120s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe

"C:\Users\Admin\AppData\Local\Temp\2024-03-01_cd1b8ef65852aa59ceaadfe5d1feeb41_lockbit.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 88

Network

N/A

Files

memory/2880-0-0x0000000000400000-0x0000000000429000-memory.dmp