Malware Analysis Report

2024-11-13 15:00

Sample ID 240314-erch7acd47
Target 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5
SHA256 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5
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

391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5

Threat Level: Known bad

The file 391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5 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

2024-03-14 04:10

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

2024-03-14 04:10

Reported

2024-03-14 04:12

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe

"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 88

Network

N/A

Files

memory/640-0-0x0000000000400000-0x000000000042C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-14 04:10

Reported

2024-03-14 04:12

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.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\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe

"C:\Users\Admin\AppData\Local\Temp\391a97a2fe6beb675fe350eb3ca0bc3a995fda43d02a7a6046cd48f042052de5.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3864 -ip 3864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3864 -s 264

Network

Country Destination Domain Proto
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 42.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp

Files

memory/3864-0-0x0000000000400000-0x000000000042C000-memory.dmp

memory/3864-1-0x0000000000400000-0x000000000042C000-memory.dmp