Malware Analysis Report

2024-11-16 13:06

Sample ID 240324-hwqs6add4z
Target release.zip
SHA256 c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

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

Discord RAT

Discordrat family

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-24 07:05

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

2024-03-24 07:05

Reported

2024-03-24 07:06

Platform

win7-20240221-en

Max time kernel

16s

Max time network

16s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2948 -s 600

Network

N/A

Files

memory/2948-0-0x000000013F1B0000-0x000000013F1C8000-memory.dmp

memory/2948-1-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

memory/2948-2-0x000000001AE70000-0x000000001AEF0000-memory.dmp

memory/2948-3-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-24 07:05

Reported

2024-03-24 07:06

Platform

win10v2004-20240226-en

Max time kernel

35s

Max time network

39s

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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 234.135.159.162.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp

Files

memory/2368-0-0x0000016569170000-0x0000016569188000-memory.dmp

memory/2368-1-0x000001656B790000-0x000001656B952000-memory.dmp

memory/2368-2-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp

memory/2368-3-0x000001656B6D0000-0x000001656B6E0000-memory.dmp

memory/2368-4-0x000001656CA50000-0x000001656CF78000-memory.dmp

memory/2368-5-0x00007FFE89DA0000-0x00007FFE8A861000-memory.dmp

memory/2368-6-0x000001656B6D0000-0x000001656B6E0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-24 07:05

Reported

2024-03-24 07:05

Platform

win7-20240221-en

Max time kernel

2s

Max time network

4s

Command Line

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

Signatures

N/A

Processes

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

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

Network

N/A

Files

memory/2076-0-0x0000000000130000-0x0000000000138000-memory.dmp

memory/2076-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp

memory/2076-2-0x0000000004BC0000-0x0000000004C00000-memory.dmp

memory/2076-3-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-24 07:05

Reported

2024-03-24 07:06

Platform

win10v2004-20240226-en

Max time kernel

22s

Max time network

21s

Command Line

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

Signatures

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 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp

Files

memory/3892-0-0x0000000000DD0000-0x0000000000DD8000-memory.dmp

memory/3892-1-0x0000000075290000-0x0000000075A40000-memory.dmp

memory/3892-2-0x0000000005D00000-0x00000000062A4000-memory.dmp

memory/3892-3-0x00000000057F0000-0x0000000005882000-memory.dmp

memory/3892-4-0x0000000005A50000-0x0000000005A60000-memory.dmp

memory/3892-5-0x00000000057E0000-0x00000000057EA000-memory.dmp

memory/3892-6-0x00000000088A0000-0x00000000089C2000-memory.dmp

memory/3892-9-0x0000000075290000-0x0000000075A40000-memory.dmp

memory/3892-10-0x0000000075290000-0x0000000075A40000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-03-24 07:05

Reported

2024-03-24 07:08

Platform

win7-20240221-en

Max time kernel

121s

Max time network

122s

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

N/A

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-03-24 07:05

Reported

2024-03-24 07:08

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

152s

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 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

N/A