Malware Analysis Report

2024-11-16 13:06

Sample ID 240314-wnww4aba2v
Target tszpullertool.exe
SHA256 a71b6a07ff699594a51120bd9634c46b7eafef39d43c1139439ac846280fd32a
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a71b6a07ff699594a51120bd9634c46b7eafef39d43c1139439ac846280fd32a

Threat Level: Known bad

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

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-14 18:04

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-14 18:04

Reported

2024-03-14 18:43

Platform

win10v2004-20240226-en

Max time kernel

1794s

Max time network

1165s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\tszpullertool.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

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

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

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 8.8.8.8:53 g.bing.com udp
US 162.159.133.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 discord.com udp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 232.138.159.162.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.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 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 31.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 83.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 32.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 37.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 51.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.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 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 8.179.89.13.in-addr.arpa udp

Files

memory/808-0-0x000001DA02EE0000-0x000001DA02EF8000-memory.dmp

memory/808-1-0x000001DA1D4B0000-0x000001DA1D672000-memory.dmp

memory/808-2-0x00007FFDEECC0000-0x00007FFDEF781000-memory.dmp

memory/808-3-0x000001DA04BC0000-0x000001DA04BD0000-memory.dmp

memory/808-4-0x000001DA1DCB0000-0x000001DA1E1D8000-memory.dmp

memory/808-5-0x00007FFDEECC0000-0x00007FFDEF781000-memory.dmp

memory/808-7-0x00007FFDEECC0000-0x00007FFDEF781000-memory.dmp

memory/4332-8-0x000001B604440000-0x000001B604450000-memory.dmp

memory/4332-24-0x000001B604540000-0x000001B604550000-memory.dmp

memory/4332-40-0x000001B60CB00000-0x000001B60CB01000-memory.dmp

memory/4332-41-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-43-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-42-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-44-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-45-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-46-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-47-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-48-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-49-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-50-0x000001B60CB30000-0x000001B60CB31000-memory.dmp

memory/4332-51-0x000001B60C750000-0x000001B60C751000-memory.dmp

memory/4332-52-0x000001B60C740000-0x000001B60C741000-memory.dmp

memory/4332-54-0x000001B60C750000-0x000001B60C751000-memory.dmp

memory/4332-57-0x000001B60C740000-0x000001B60C741000-memory.dmp

memory/4332-60-0x000001B60C680000-0x000001B60C681000-memory.dmp

memory/4332-72-0x000001B60C880000-0x000001B60C881000-memory.dmp

memory/4332-74-0x000001B60C890000-0x000001B60C891000-memory.dmp

memory/4332-75-0x000001B60C890000-0x000001B60C891000-memory.dmp

memory/4332-76-0x000001B60C9A0000-0x000001B60C9A1000-memory.dmp