Overview

overview

10

Static

static

10

RAT tool.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-11-2024 13:07

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General

  • Target

    RAT tool.exe

  • Size

    3.1MB

  • MD5

    c588a1b864cd68bc3a872397a272c3dc

  • SHA1

    43a960182c02bd5da1667039f80ccad60d58e897

  • SHA256

    cc0f58ce042b7fdfbdd6708e02b81291ede8efd84c0f6ddb15cc112cc5a7931d

  • SHA512

    f76a5d94b7e6368a438f629afec8ed0eefb54712c9bb5234743b94cea34e4ca1947b6b90df30b9d082ca5feabbc6498af364bb5ff8d0e008da7f6a9f207c1e60

  • SSDEEP

    49152:yvQt62XlaSFNWPjljiFa2RoUYITunIJwQToGdOTHHB72eh2NT:yvc62XlaSFNWPjljiFXRoUYITunIJwQ

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.30:4782

Mutex

527d6b5a-c716-4500-9e84-5840c7e340a4

Attributes
  • encryption_key

    E54BE336D58046FD53BA6384AD78D66E8B2B987A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Discord

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\RAT tool.exe
    "C:\Users\Admin\AppData\Local\Temp\RAT tool.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "Discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3784-0-0x00007FF8EB363000-0x00007FF8EB365000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3784-1-0x0000000000950000-0x0000000000C74000-memory.dmp

    Filesize

    3.1MB

    Download

  • memory/3784-2-0x00007FF8EB360000-0x00007FF8EBE22000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3784-3-0x000000001C4D0000-0x000000001C520000-memory.dmp

    Filesize

    320KB

    Download

  • memory/3784-4-0x000000001C5E0000-0x000000001C692000-memory.dmp

    Filesize

    712KB

    Download

  • memory/3784-5-0x00007FF8EB363000-0x00007FF8EB365000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3784-6-0x00007FF8EB360000-0x00007FF8EBE22000-memory.dmp

    Filesize

    10.8MB

    Download