Malware Analysis Report

2024-11-16 13:07

Sample ID 240317-x38d4sec7x
Target 751f76k.exe
SHA256 fe70a77db520220cfb325f54030820a0300eed7e21eb6594d9ed6077409d5dc4
Tags
discordrat persistence rat rootkit stealer
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

fe70a77db520220cfb325f54030820a0300eed7e21eb6594d9ed6077409d5dc4

Threat Level: Known bad

The file 751f76k.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-17 19:23

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-17 19:23

Reported

2024-03-17 19:24

Platform

win7-20240221-en

Max time kernel

4s

Max time network

5s

Command Line

"C:\Users\Admin\AppData\Local\Temp\751f76k.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1152 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\751f76k.exe C:\Windows\system32\WerFault.exe
PID 1152 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\751f76k.exe C:\Windows\system32\WerFault.exe
PID 1152 wrote to memory of 2228 N/A C:\Users\Admin\AppData\Local\Temp\751f76k.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\751f76k.exe

"C:\Users\Admin\AppData\Local\Temp\751f76k.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1152 -s 600

Network

N/A

Files

memory/1152-0-0x000000013F7E0000-0x000000013F7F8000-memory.dmp

memory/1152-1-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1152-2-0x0000000000590000-0x0000000000610000-memory.dmp

memory/1152-3-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-17 19:23

Reported

2024-03-17 19:26

Platform

win10v2004-20240226-en

Max time kernel

136s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\751f76k.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\751f76k.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\751f76k.exe

"C:\Users\Admin\AppData\Local\Temp\751f76k.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.136.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
GB 2.17.5.133:80 www.microsoft.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
GB 2.17.5.133:80 www.microsoft.com tcp
US 8.8.8.8:53 133.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 10.175.16.69.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp

Files

memory/2836-0-0x000001F532A00000-0x000001F532A18000-memory.dmp

memory/2836-1-0x000001F54D040000-0x000001F54D202000-memory.dmp

memory/2836-2-0x00007FF9EF560000-0x00007FF9F0021000-memory.dmp

memory/2836-3-0x000001F5345A0000-0x000001F5345B0000-memory.dmp

memory/2836-4-0x000001F54D840000-0x000001F54DD68000-memory.dmp

memory/2836-5-0x00007FF9EF560000-0x00007FF9F0021000-memory.dmp

memory/2836-6-0x000001F5345A0000-0x000001F5345B0000-memory.dmp