Malware Analysis Report

2024-11-16 13:05

Sample ID 240817-pxfg5syfmk
Target release (1).zip
SHA256 7fb7c3607375c2a599f58eb818506a1088006cf0bd38018317563cafd9c3ccee
Tags
discordrat persistence rat rootkit stealer discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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 Overview

score
10/10

SHA256

7fb7c3607375c2a599f58eb818506a1088006cf0bd38018317563cafd9c3ccee

Threat Level: Known bad

The file release (1).zip was found to be: Known bad.

Malicious Activity Summary

discordrat persistence rat rootkit stealer discovery

Discord RAT

Discordrat family

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 12:42

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: behavioral1

Detonation Overview

Submitted

2024-08-17 12:42

Reported

2024-08-17 12:44

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

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 162.159.134.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 234.134.159.162.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3948-0-0x00007FFA851C3000-0x00007FFA851C5000-memory.dmp

memory/3948-1-0x000001D7FD430000-0x000001D7FD448000-memory.dmp

memory/3948-2-0x000001D7FF980000-0x000001D7FFB42000-memory.dmp

memory/3948-3-0x00007FFA851C0000-0x00007FFA85C81000-memory.dmp

memory/3948-4-0x000001D798530000-0x000001D798A58000-memory.dmp

memory/3948-5-0x00007FFA851C3000-0x00007FFA851C5000-memory.dmp

memory/3948-6-0x00007FFA851C0000-0x00007FFA85C81000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 12:42

Reported

2024-08-17 12:44

Platform

win10v2004-20240802-en

Max time kernel

150s

Max time network

152s

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
NL 52.111.243.29:443 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
SE 192.229.221.95:80 tcp

Files

memory/4512-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

memory/4512-1-0x0000000000040000-0x0000000000048000-memory.dmp

memory/4512-2-0x0000000005140000-0x00000000056E4000-memory.dmp

memory/4512-3-0x0000000004A50000-0x0000000004AE2000-memory.dmp

memory/4512-4-0x00000000749A0000-0x0000000075150000-memory.dmp

memory/4512-5-0x0000000004A40000-0x0000000004A4A000-memory.dmp

memory/4512-6-0x00000000749AE000-0x00000000749AF000-memory.dmp

memory/4512-7-0x00000000749A0000-0x0000000075150000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-08-17 12:42

Reported

2024-08-17 12:44

Platform

win10v2004-20240802-en

Max time kernel

125s

Max time network

129s

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

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 --field-trial-handle=4508,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=1904 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

N/A