Malware Analysis Report

2024-11-16 13:07

Sample ID 240324-yehdfsff46
Target Client-built.exe
SHA256 a938ff9ba13e88cd2989b4e7c4ec27805242a5da86d23d6ff7fbe0a1a868ba4f
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a938ff9ba13e88cd2989b4e7c4ec27805242a5da86d23d6ff7fbe0a1a868ba4f

Threat Level: Known bad

The file Client-built.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer

Discord RAT

Discordrat family

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-24 19:41

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 19:41

Reported

2024-03-24 19:44

Platform

win10v2004-20240226-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.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\Client-built.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\Client-built.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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 234.133.159.162.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 37.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 192.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

memory/1484-0-0x0000020E3A480000-0x0000020E3A498000-memory.dmp

memory/1484-1-0x0000020E54B30000-0x0000020E54CF2000-memory.dmp

memory/1484-3-0x0000020E3A850000-0x0000020E3A860000-memory.dmp

memory/1484-2-0x00007FFEFB230000-0x00007FFEFBCF1000-memory.dmp

memory/1484-4-0x0000020E55330000-0x0000020E55858000-memory.dmp

memory/1484-5-0x00007FFEFB230000-0x00007FFEFBCF1000-memory.dmp

memory/1484-6-0x0000020E3A850000-0x0000020E3A860000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-24 19:41

Reported

2024-03-24 19:44

Platform

win7-20240221-en

Max time kernel

120s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2144 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2144 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe
PID 2144 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Client-built.exe C:\Windows\system32\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2144 -s 596

Network

N/A

Files

memory/2144-0-0x000000013F1B0000-0x000000013F1C8000-memory.dmp

memory/2144-1-0x000007FEF5AD0000-0x000007FEF64BC000-memory.dmp

memory/2144-2-0x000000001BB10000-0x000000001BB90000-memory.dmp

memory/2144-3-0x000007FEF5AD0000-0x000007FEF64BC000-memory.dmp

memory/2144-4-0x000000001BB10000-0x000000001BB90000-memory.dmp