Malware Analysis Report

2024-09-11 09:20

Sample ID 240610-eznanacg27
Target release.zip
SHA256 340c5b742e179a06c6da8334c16437989224e69a8063159b095fad9a19cbc58d
Tags
discordrat persistence rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

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: 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 Overview

score
10/10

SHA256

340c5b742e179a06c6da8334c16437989224e69a8063159b095fad9a19cbc58d

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 WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-10 04:22

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: behavioral4

Detonation Overview

Submitted

2024-06-10 04:22

Reported

2024-06-10 04:25

Platform

win10v2004-20240508-en

Max time kernel

91s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\release\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\Release\Discord rat.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\release\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
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.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

Files

memory/892-0-0x00007FFDD4C93000-0x00007FFDD4C95000-memory.dmp

memory/892-1-0x0000029AA6780000-0x0000029AA6798000-memory.dmp

memory/892-2-0x0000029AC0CF0000-0x0000029AC0EB2000-memory.dmp

memory/892-3-0x00007FFDD4C90000-0x00007FFDD5751000-memory.dmp

memory/892-4-0x0000029AC14F0000-0x0000029AC1A18000-memory.dmp

memory/892-5-0x00007FFDD4C93000-0x00007FFDD4C95000-memory.dmp

memory/892-6-0x00007FFDD4C90000-0x00007FFDD5751000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-10 04:22

Reported

2024-06-12 09:39

Platform

win7-20240508-en

Max time kernel

118s

Max time network

118s

Command Line

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

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

N/A

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-10 04:22

Reported

2024-06-10 04:25

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

149s

Command Line

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

Signatures

N/A

Processes

C:\Windows\system32\rundll32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 04:22

Reported

2024-06-10 04:25

Platform

win7-20240221-en

Max time kernel

118s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\release\Client-built.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Processes

C:\Users\Admin\AppData\Local\Temp\release\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\release\Client-built.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1772 -s 600

Network

N/A

Files

memory/1772-0-0x000007FEF6173000-0x000007FEF6174000-memory.dmp

memory/1772-1-0x000000013F8E0000-0x000000013F8F8000-memory.dmp

memory/1772-2-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

memory/1772-3-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 04:22

Reported

2024-06-10 04:25

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\release\Client-built.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\Client-built.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\release\Client-built.exe

"C:\Users\Admin\AppData\Local\Temp\release\Client-built.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
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

memory/3568-0-0x000002B6FF950000-0x000002B6FF968000-memory.dmp

memory/3568-1-0x00007FFED0E03000-0x00007FFED0E05000-memory.dmp

memory/3568-2-0x000002B700000000-0x000002B7001C2000-memory.dmp

memory/3568-3-0x00007FFED0E00000-0x00007FFED18C1000-memory.dmp

memory/3568-4-0x000002B69A8D0000-0x000002B69ADF8000-memory.dmp

memory/3568-5-0x00007FFED0E00000-0x00007FFED18C1000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-10 04:22

Reported

2024-06-10 04:25

Platform

win7-20240215-en

Max time kernel

121s

Max time network

122s

Command Line

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

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Processes

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

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

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1240 -s 600

Network

N/A

Files

memory/1240-0-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

memory/1240-1-0x000000013F970000-0x000000013F988000-memory.dmp

memory/1240-2-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/1240-3-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

memory/1240-4-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp