Malware Analysis Report

2024-11-16 13:02

Sample ID 240911-b4r8maxdke
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

2024-09-11 01:42

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

2024-09-11 01:42

Reported

2024-09-11 01:44

Platform

win11-20240802-en

Max time kernel

39s

Max time network

143s

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/132-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

memory/132-1-0x0000000000270000-0x0000000000278000-memory.dmp

memory/132-2-0x0000000005360000-0x0000000005906000-memory.dmp

memory/132-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

memory/132-4-0x0000000074D30000-0x00000000754E1000-memory.dmp

memory/132-5-0x0000000004D20000-0x0000000004D2A000-memory.dmp

memory/132-6-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

memory/132-7-0x0000000074D30000-0x00000000754E1000-memory.dmp

memory/132-8-0x0000000007860000-0x0000000007982000-memory.dmp

memory/132-11-0x0000000074D30000-0x00000000754E1000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-09-11 01:42

Reported

2024-09-11 01:44

Platform

win11-20240802-en

Max time kernel

31s

Max time network

143s

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-11 01:42

Reported

2024-09-11 01:44

Platform

win11-20240802-en

Max time kernel

93s

Max time network

95s

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 162.159.136.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp

Files

memory/4000-0-0x00007FFBA39D3000-0x00007FFBA39D5000-memory.dmp

memory/4000-1-0x0000017147F10000-0x0000017147F28000-memory.dmp

memory/4000-2-0x0000017162600000-0x00000171627C2000-memory.dmp

memory/4000-3-0x00007FFBA39D0000-0x00007FFBA4492000-memory.dmp

memory/4000-4-0x0000017163880000-0x0000017163DA8000-memory.dmp

memory/4000-5-0x00007FFBA39D3000-0x00007FFBA39D5000-memory.dmp

memory/4000-6-0x00007FFBA39D0000-0x00007FFBA4492000-memory.dmp