Malware Analysis Report

2024-09-11 01:46

Sample ID 240531-qs6zzaac4z
Target 6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7
SHA256 6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7
Tags
medusalocker ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7

Threat Level: Known bad

The file 6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7 was found to be: Known bad.

Malicious Activity Summary

medusalocker ransomware

MedusaLocker

MedusaLocker payload

Unsigned PE

Program crash

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-31 13:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 13:32

Reported

2024-05-31 13:35

Platform

win7-20240508-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7.exe"

Signatures

MedusaLocker

ransomware medusalocker

MedusaLocker payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7.exe

"C:\Users\Admin\AppData\Local\Temp\6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7.exe"

Network

N/A

Files

memory/2424-0-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-7-0x0000000000230000-0x0000000000232000-memory.dmp

memory/2424-6-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-5-0x0000000000401000-0x0000000000440000-memory.dmp

memory/2424-8-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-3-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-2-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-1-0x0000000000340000-0x000000000037F000-memory.dmp

memory/2424-4-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-9-0x0000000000400000-0x0000000000478000-memory.dmp

memory/2424-10-0x0000000000340000-0x000000000037F000-memory.dmp

memory/2424-11-0x0000000000401000-0x0000000000440000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 13:32

Reported

2024-05-31 13:35

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7.exe"

Signatures

MedusaLocker

ransomware medusalocker

MedusaLocker payload

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

Processes

C:\Users\Admin\AppData\Local\Temp\6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7.exe

"C:\Users\Admin\AppData\Local\Temp\6f5fc7c80132e86b697df53ba3d487c6b6342b9eb43e8bc0b02e7957279c15b7.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 320 -ip 320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 572

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 320 -ip 320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 580

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 71.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa 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 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/320-0-0x0000000000400000-0x0000000000478000-memory.dmp

memory/320-3-0x0000000000400000-0x0000000000478000-memory.dmp

memory/320-5-0x0000000002110000-0x000000000214F000-memory.dmp

memory/320-7-0x0000000000400000-0x0000000000478000-memory.dmp

memory/320-6-0x0000000000401000-0x0000000000440000-memory.dmp

memory/320-4-0x00000000004C0000-0x00000000004C2000-memory.dmp

memory/320-2-0x0000000000400000-0x0000000000478000-memory.dmp

memory/320-1-0x0000000000400000-0x0000000000478000-memory.dmp

memory/320-9-0x0000000002110000-0x000000000214F000-memory.dmp