Malware Analysis Report

2024-12-07 14:03

Sample ID 241116-bx8l2axckf
Target release.zip
SHA256 c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97
Tags
discovery 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97

Threat Level: Known bad

The file release.zip was found to be: Known bad.

Malicious Activity Summary

discovery discordrat persistence rat rootkit stealer

Discordrat family

Discord RAT

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-16 01:32

Signatures

Discordrat family

discordrat

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-16 01:32

Reported

2024-11-16 01:35

Platform

win11-20241007-en

Max time kernel

147s

Max time network

154s

Command Line

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

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\builder.exe N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3644-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

memory/3644-1-0x00000000003C0000-0x00000000003C8000-memory.dmp

memory/3644-2-0x00000000054D0000-0x0000000005A76000-memory.dmp

memory/3644-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp

memory/3644-4-0x0000000005010000-0x000000000501A000-memory.dmp

memory/3644-5-0x0000000074DE0000-0x0000000075591000-memory.dmp

memory/3644-6-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

memory/3644-7-0x0000000074DE0000-0x0000000075591000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-16 01:32

Reported

2024-11-16 01:36

Platform

win11-20241007-en

Max time kernel

147s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\dnlib.dll,#1

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\dnlib.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-16 01:32

Reported

2024-11-16 01:35

Platform

win11-20241007-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Release\Discord rat.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Discordrat family

discordrat

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\Release\Discord rat.exe

"C:\Users\Admin\AppData\Local\Temp\Release\Discord rat.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

Files

memory/808-1-0x00000161C9170000-0x00000161C9188000-memory.dmp

memory/808-0-0x00007FFF078D0000-0x00007FFF07973000-memory.dmp

memory/808-2-0x00000161E3840000-0x00000161E3A02000-memory.dmp

memory/808-3-0x00007FFF078D0000-0x00007FFF07973000-memory.dmp

memory/808-4-0x00000161E4B10000-0x00000161E5038000-memory.dmp

memory/808-5-0x00007FFF078D0000-0x00007FFF07973000-memory.dmp

memory/808-6-0x00007FFF078D0000-0x00007FFF07973000-memory.dmp