Malware Analysis Report

2025-04-14 04:54

Sample ID 241214-bwg3patrel
Target Panel Ejecutador MTA 3.14.zip
SHA256 9261f3eefa0aef107e865784d8b8b62d4e7213056dfe535893920a344fa0d908
Tags
quasar office04 spyware trojan
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 Overview

score
10/10

SHA256

9261f3eefa0aef107e865784d8b8b62d4e7213056dfe535893920a344fa0d908

Threat Level: Known bad

The file Panel Ejecutador MTA 3.14.zip was found to be: Known bad.

Malicious Activity Summary

quasar office04 spyware trojan

Quasar payload

Quasar family

Quasar RAT

Executes dropped EXE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Scheduled Task/Job: Scheduled Task

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-14 01:29

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-14 01:29

Reported

2024-12-14 01:30

Platform

win10ltsc2021-20241211-en

Max time kernel

32s

Max time network

33s

Command Line

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Panel Ejecutador MTA 3.14.zip"

Signatures

Quasar RAT

trojan spyware quasar

Quasar family

quasar

Quasar payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A
N/A N/A C:\Windows\SYSTEM32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeRestorePrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: 35 N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeSecurityPrivilege N/A C:\Program Files\7-Zip\7zFM.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A
N/A N/A C:\Program Files\7-Zip\7zFM.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Program Files\7-Zip\7zFM.exe

"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Panel Ejecutador MTA 3.14.zip"

C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe

"C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe" /rl HIGHEST /f

C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe

"C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe"

C:\Windows\SYSTEM32\schtasks.exe

"schtasks" /create /tn "WindowsUpdate" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\WindowsUpdate.exe" /rl HIGHEST /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 checkappexec.microsoft.com udp
GB 51.140.242.104:443 checkappexec.microsoft.com tcp
US 8.8.8.8:53 azxq0ap.localto.net udp
US 23.158.232.33:3425 azxq0ap.localto.net tcp
US 8.8.8.8:53 104.242.140.51.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 ipwho.is udp
DE 195.201.57.90:443 ipwho.is tcp
US 8.8.8.8:53 33.232.158.23.in-addr.arpa udp
US 8.8.8.8:53 90.57.201.195.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp

Files

C:\Users\Admin\Desktop\Panel Ejecutador MTA 3.14.exe

MD5 5791d405ca0a97a89eeaeb4f2be628be
SHA1 a012d40aaaa01db12a83b0e4408d012fd383dd0b
SHA256 6c67a1bf1d558b31a790e4bdcef062c9b49f00a1b3d7361dfc8308d55b87bc5d
SHA512 3971447d6a5f1ffe51bb1acc0d2525aa5bca521358c67828e6bd983d68e8c22dfa83ab49109575bc113e13de861682af563a3ed21e5ef48cce1bfcdb8f1f2afd

memory/4432-4-0x00007FFF086E3000-0x00007FFF086E5000-memory.dmp

memory/4432-5-0x0000000000530000-0x0000000000886000-memory.dmp

memory/4432-6-0x00007FFF086E0000-0x00007FFF091A2000-memory.dmp

memory/4432-9-0x00007FFF086E0000-0x00007FFF091A2000-memory.dmp

memory/4520-10-0x000000001BB50000-0x000000001BBA0000-memory.dmp

memory/4520-11-0x000000001D0B0000-0x000000001D162000-memory.dmp

memory/4520-12-0x000000001BBC0000-0x000000001BBD2000-memory.dmp

memory/4520-13-0x000000001D030000-0x000000001D06C000-memory.dmp