Malware Analysis Report

2024-09-11 09:00

Sample ID 240625-ry7dcsydrk
Target yjnclient-v3.exe
SHA256 6624c79c2c07fbcb8d4244fadd4e16ad4c536c187c25acaf3b831fff7cbda3c9
Tags
discordrat persistence rat rootkit stealer
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

6624c79c2c07fbcb8d4244fadd4e16ad4c536c187c25acaf3b831fff7cbda3c9

Threat Level: Known bad

The file yjnclient-v3.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

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-25 14:37

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 14:37

Reported

2024-06-25 14:37

Platform

win10v2004-20240611-en

Max time kernel

14s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.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\yjnclient-v3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe

"C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.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 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp

Files

memory/4444-1-0x00007FFEABBF3000-0x00007FFEABBF5000-memory.dmp

memory/4444-0-0x000002D755E50000-0x000002D755E68000-memory.dmp

memory/4444-2-0x000002D770450000-0x000002D770612000-memory.dmp

memory/4444-3-0x00007FFEABBF0000-0x00007FFEAC6B1000-memory.dmp

memory/4444-4-0x000002D770C50000-0x000002D771178000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 14:37

Reported

2024-06-25 15:07

Platform

win11-20240508-en

Max time kernel

1701s

Max time network

1711s

Command Line

"C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.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\yjnclient-v3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe

"C:\Users\Admin\AppData\Local\Temp\yjnclient-v3.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/1928-0-0x00007FFCE2233000-0x00007FFCE2235000-memory.dmp

memory/1928-1-0x0000015261770000-0x0000015261788000-memory.dmp

memory/1928-2-0x000001527BE80000-0x000001527C042000-memory.dmp

memory/1928-3-0x00007FFCE2230000-0x00007FFCE2CF2000-memory.dmp

memory/1928-4-0x00007FFCE2230000-0x00007FFCE2CF2000-memory.dmp