Malware Analysis Report

2024-11-16 13:02

Sample ID 240912-zbk6lstcrc
Target release.zip
SHA256 c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97
Tags
discordrat persistence rat rootkit stealer discovery
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

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

discordrat persistence rat rootkit stealer discovery

Discordrat family

Discord RAT

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-12 20:32

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: behavioral1

Detonation Overview

Submitted

2024-09-12 20:32

Reported

2024-09-12 21:03

Platform

win11-20240802-en

Max time kernel

439s

Max time network

1159s

Command Line

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\release.zip

Signatures

N/A

Processes

C:\Windows\Explorer.exe

C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\release.zip

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-12 20:32

Reported

2024-09-12 21:03

Platform

win11-20240802-en

Max time kernel

439s

Max time network

1161s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Release\Discord rat.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\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 162.159.130.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.130.159.162.in-addr.arpa udp

Files

memory/2208-0-0x00007FFCED7C3000-0x00007FFCED7C5000-memory.dmp

memory/2208-1-0x0000019A07BA0000-0x0000019A07BB8000-memory.dmp

memory/2208-2-0x0000019A22280000-0x0000019A22442000-memory.dmp

memory/2208-3-0x00007FFCED7C0000-0x00007FFCEE282000-memory.dmp

memory/2208-4-0x0000019A23550000-0x0000019A23A78000-memory.dmp

memory/2208-5-0x00007FFCED7C0000-0x00007FFCEE282000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-12 20:32

Reported

2024-09-12 21:03

Platform

win11-20240802-en

Max time kernel

437s

Max time network

1161s

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 43.229.111.52.in-addr.arpa udp

Files

memory/2760-0-0x000000007428E000-0x000000007428F000-memory.dmp

memory/2760-1-0x00000000002C0000-0x00000000002C8000-memory.dmp

memory/2760-2-0x00000000052A0000-0x0000000005846000-memory.dmp

memory/2760-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

memory/2760-4-0x0000000074280000-0x0000000074A31000-memory.dmp

memory/2760-5-0x0000000004F20000-0x0000000004F2A000-memory.dmp

memory/2760-6-0x000000007428E000-0x000000007428F000-memory.dmp

memory/2760-7-0x0000000074280000-0x0000000074A31000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-09-12 20:32

Reported

2024-09-12 21:03

Platform

win11-20240802-en

Max time kernel

437s

Max time network

1155s

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

Files

N/A