Malware Analysis Report

2024-09-11 09:20

Sample ID 240609-3jtdqshb23
Target release.zip
SHA256 a62c90a78d55e45f0b9a6c67fe576102cebbe5266661f1631fae2deec6719967
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: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a62c90a78d55e45f0b9a6c67fe576102cebbe5266661f1631fae2deec6719967

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-09 23:33

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
N/A N/A N/A N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

211s

Command Line

"C:\Users\Admin\AppData\Local\Temp\release\SolaraBETA.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\SolaraBETA.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\release\SolaraBETA.exe

"C:\Users\Admin\AppData\Local\Temp\release\SolaraBETA.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 gateway.discord.gg udp
US 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4344-0-0x0000025250140000-0x000002525016C000-memory.dmp

memory/4344-1-0x00007FFAD9F93000-0x00007FFAD9F95000-memory.dmp

memory/4344-2-0x000002526A6E0000-0x000002526A8A2000-memory.dmp

memory/4344-3-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp

memory/4344-4-0x000002526AEE0000-0x000002526B408000-memory.dmp

memory/4344-5-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp

Analysis: behavioral7

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win7-20240215-en

Max time kernel

117s

Max time network

124s

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: behavioral8

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win10v2004-20240426-en

Max time kernel

300s

Max time network

308s

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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.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

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win7-20240221-en

Max time kernel

122s

Max time network

129s

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 1808 -s 596

Network

N/A

Files

memory/1808-0-0x000007FEF5A73000-0x000007FEF5A74000-memory.dmp

memory/1808-1-0x000000013FFB0000-0x000000013FFC8000-memory.dmp

memory/1808-2-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

memory/1808-3-0x000007FEF5A73000-0x000007FEF5A74000-memory.dmp

memory/1808-4-0x000007FEF5A70000-0x000007FEF645C000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win7-20240221-en

Max time kernel

117s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\release\SolaraBETA.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Processes

C:\Users\Admin\AppData\Local\Temp\release\SolaraBETA.exe

"C:\Users\Admin\AppData\Local\Temp\release\SolaraBETA.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2776 -s 596

Network

N/A

Files

memory/2776-1-0x000000013FA00000-0x000000013FA2C000-memory.dmp

memory/2776-0-0x000007FEF5C43000-0x000007FEF5C44000-memory.dmp

memory/2776-2-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

memory/2776-3-0x000007FEF5C40000-0x000007FEF662C000-memory.dmp

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win7-20240221-en

Max time kernel

122s

Max time network

129s

Command Line

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

Signatures

N/A

Processes

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

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

Network

N/A

Files

memory/2020-0-0x000000007433E000-0x000000007433F000-memory.dmp

memory/2020-1-0x00000000002C0000-0x00000000002C8000-memory.dmp

memory/2020-2-0x0000000074330000-0x0000000074A1E000-memory.dmp

memory/2020-3-0x0000000074330000-0x0000000074A1E000-memory.dmp

memory/2020-4-0x000000007433E000-0x000000007433F000-memory.dmp

memory/2020-5-0x0000000074330000-0x0000000074A1E000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win10v2004-20240508-en

Max time kernel

300s

Max time network

202s

Command Line

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

Signatures

N/A

Processes

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 104.208.16.90:443 tcp

Files

memory/1360-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

memory/1360-1-0x0000000000B10000-0x0000000000B18000-memory.dmp

memory/1360-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

memory/1360-3-0x0000000005420000-0x00000000054B2000-memory.dmp

memory/1360-4-0x00000000053E0000-0x00000000053EA000-memory.dmp

memory/1360-5-0x0000000074EB0000-0x0000000075660000-memory.dmp

memory/1360-6-0x0000000074EB0000-0x0000000075660000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 23:33

Reported

2024-06-09 23:40

Platform

win10v2004-20240508-en

Max time kernel

235s

Max time network

263s

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"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3244,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4360 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp

Files

memory/380-0-0x00007FFCBC053000-0x00007FFCBC055000-memory.dmp

memory/380-1-0x0000020D31A60000-0x0000020D31A78000-memory.dmp

memory/380-2-0x0000020D4C0C0000-0x0000020D4C282000-memory.dmp

memory/380-3-0x00007FFCBC050000-0x00007FFCBCB11000-memory.dmp

memory/380-4-0x0000020D4C8C0000-0x0000020D4CDE8000-memory.dmp

memory/380-5-0x00007FFCBC053000-0x00007FFCBC055000-memory.dmp

memory/380-6-0x00007FFCBC050000-0x00007FFCBCB11000-memory.dmp