Malware Analysis Report

2024-09-11 09:21

Sample ID 240605-s8cgeabb5s
Target release.zip
SHA256 c13a0cd7c2c2fd577703bff026b72ed81b51266afa047328c8ff1c4a4d965c97
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: 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

Discordrat family

Discord RAT

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-05 15:47

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

2024-06-05 15:47

Reported

2024-06-05 15:51

Platform

win7-20240221-en

Max time kernel

120s

Max time network

126s

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 1284 -s 596

Network

N/A

Files

memory/1284-0-0x000007FEF5783000-0x000007FEF5784000-memory.dmp

memory/1284-1-0x000000013F600000-0x000000013F618000-memory.dmp

memory/1284-2-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

memory/1284-3-0x000007FEF5780000-0x000007FEF616C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-05 15:47

Reported

2024-06-05 15:51

Platform

win10v2004-20240426-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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 234.136.159.162.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/5100-2-0x000001BAC69A0000-0x000001BAC6B62000-memory.dmp

memory/5100-1-0x00007FFCD9673000-0x00007FFCD9675000-memory.dmp

memory/5100-3-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

memory/5100-0-0x000001BAAC370000-0x000001BAAC388000-memory.dmp

memory/5100-4-0x000001BAC71A0000-0x000001BAC76C8000-memory.dmp

memory/5100-5-0x00007FFCD9670000-0x00007FFCDA131000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-05 15:47

Reported

2024-06-05 15:51

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

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/2220-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

memory/2220-1-0x0000000000F30000-0x0000000000F38000-memory.dmp

memory/2220-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

memory/2220-3-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-05 15:47

Reported

2024-06-05 15:51

Platform

win10v2004-20240426-en

Max time kernel

144s

Max time network

95s

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp

Files

memory/4080-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

memory/4080-2-0x0000000005CB0000-0x0000000006254000-memory.dmp

memory/4080-3-0x00000000057A0000-0x0000000005832000-memory.dmp

memory/4080-1-0x0000000000E40000-0x0000000000E48000-memory.dmp

memory/4080-4-0x0000000005710000-0x000000000571A000-memory.dmp

memory/4080-5-0x00000000751E0000-0x0000000075990000-memory.dmp

memory/4080-6-0x00000000751EE000-0x00000000751EF000-memory.dmp

memory/4080-7-0x00000000751E0000-0x0000000075990000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-05 15:47

Reported

2024-06-05 15:51

Platform

win7-20240508-en

Max time kernel

119s

Max time network

120s

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

2024-06-05 15:47

Reported

2024-06-05 15:51

Platform

win10v2004-20240426-en

Max time kernel

93s

Max time network

95s

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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

N/A