Malware Analysis Report

2024-09-11 09:05

Sample ID 240625-1w1x8swcnh
Target Medusa.exe
SHA256 379449b8c2d0053cea2aa786cf2ad6e3cd61e67793ac5b68be77358360b0ce42
Tags
discordrat persistence rat rootkit stealer spyware
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

379449b8c2d0053cea2aa786cf2ad6e3cd61e67793ac5b68be77358360b0ce42

Threat Level: Known bad

The file Medusa.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer spyware

Discordrat family

Discord RAT

Downloads MZ/PE file

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-25 22:00

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 22:00

Reported

2024-06-25 22:03

Platform

win7-20231129-en

Max time kernel

149s

Max time network

124s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\Medusa.exe C:\Windows\system32\WerFault.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\Medusa.exe C:\Windows\system32\WerFault.exe
PID 2360 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\Medusa.exe C:\Windows\system32\WerFault.exe

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2360 -s 600

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

Network

N/A

Files

memory/2360-0-0x000007FEF5C93000-0x000007FEF5C94000-memory.dmp

memory/2360-1-0x000000013F0E0000-0x000000013F0F8000-memory.dmp

memory/2360-2-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

memory/2360-3-0x000007FEF5C93000-0x000007FEF5C94000-memory.dmp

memory/2360-4-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

memory/2360-5-0x000007FEF5C90000-0x000007FEF667C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 22:00

Reported

2024-06-25 22:03

Platform

win10v2004-20240611-en

Max time kernel

146s

Max time network

147s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Downloads MZ/PE file

Reads user/profile data of web browsers

spyware stealer

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A raw.githubusercontent.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Medusa.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.133.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 discord.com udp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 233.128.159.162.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 raw.githubusercontent.com udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 133.108.199.185.in-addr.arpa udp
US 185.199.108.133:443 raw.githubusercontent.com tcp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp
US 52.111.227.14:443 tcp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 162.159.128.233:443 discord.com tcp
US 162.159.128.233:443 discord.com tcp

Files

memory/1524-1-0x00007FF899AA3000-0x00007FF899AA5000-memory.dmp

memory/1524-0-0x000001910BA00000-0x000001910BA18000-memory.dmp

memory/1524-2-0x0000019125F50000-0x0000019126112000-memory.dmp

memory/1524-3-0x00007FF899AA0000-0x00007FF89A561000-memory.dmp

memory/1524-4-0x0000019126750000-0x0000019126C78000-memory.dmp

memory/1524-5-0x00007FF899AA3000-0x00007FF899AA5000-memory.dmp

memory/1524-6-0x00007FF899AA0000-0x00007FF89A561000-memory.dmp

memory/1524-7-0x0000019126280000-0x000001912628E000-memory.dmp

memory/1524-8-0x0000019126370000-0x000001912663A000-memory.dmp