Overview

overview

10

Static

static

10

RD_VSetup1.41.exe

windows7-x64

10

RD_VSetup1.41.exe

windows10-2004-x64

10

Resubmissions

09/08/2024, 16:12

240809-tnprnswfph10

09/08/2024, 16:06

240809-tkk93sseql10

Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2024, 16:12

Sharing

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General

  • Target
    RD_VSetup1.41.exe
  • Size 3.3MB
  • Sample240809-tnprnswfph
  • SHA256 eea939e6d9dae292703d7d5b634938cfe4a00db8115daf9c3c4148afd8895eef
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarremixthattingspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • RemixThatTing

C2

  • 192.168.1.1:4782

Mutex

  • 2853cd92-f829-4151-a3ab-a32a77b6bfd1

Attributes
  • encryption_key

    1C048FBC4D2C47C8039B5C30AAA4E3E12C03AE02

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater v.1.4.1

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar payload 1 IoCs
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 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\RD_VSetup1.41.exe
    "C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2272
    • C:\Windows\system32\schtasks.exe
      "schtasks" /create /tn "Java Updater v.1.4.1" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2772
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2800
  • C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe
    "C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1216
  • C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe
    "C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3036
  • C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe
    "C:\Users\Admin\AppData\Local\Temp\RD_VSetup1.41.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2624

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/2272-0-0x000007FEF5943000-0x000007FEF5944000-memory.dmp
        Download

        memory/2272-1-0x00000000009F0000-0x0000000000D42000-memory.dmp
        Download

        memory/2272-2-0x000007FEF5940000-0x000007FEF632C000-memory.dmp
        Download

        memory/2272-5-0x000007FEF5943000-0x000007FEF5944000-memory.dmp
        Download

        memory/2272-6-0x000007FEF5940000-0x000007FEF632C000-memory.dmp
        Download

        memory/2800-3-0x0000000140000000-0x00000001405E8000-memory.dmp
        Download

        memory/2800-4-0x0000000140000000-0x00000001405E8000-memory.dmp
        Download

        memory/2800-7-0x0000000140000000-0x00000001405E8000-memory.dmp
        Download

        memory/2800-9-0x0000000002530000-0x0000000002540000-memory.dmp
        Download