Overview

overview

8

Static

static

1

RFQ_784990SN6.js

windows10-2004-x64

8

RFQ_784990SN6.js

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    62s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/09/2026, 02:52

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General

  • Target
    RFQ_784990SN6.js
  • Size 3.7MB
  • Sample260908-dc6caabq51
  • SHA256 6f167a6d3909916d84ec121e3e43d59448d3d41db377a4c31483d4872a54eeca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionpersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 18 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 31 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 3 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\explorer.exe
    explorer.exe /LOADSAVEDWINDOWS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3348
    • C:\Windows\system32\wscript.exe
      wscript.exe C:\Users\Admin\AppData\Local\Temp\RFQ_784990SN6.js
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4888
      • C:\Users\Admin\AppData\Local\Temp\support.exe
        "C:\Users\Admin\AppData\Local\Temp\support.exe" "C:\Users\Admin\AppData\Local\Temp\au.dat"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:5260
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k WebThreatDefense -p -s webthreatdefsvc
    1⤵
    • Checks processor information in registry
    • Modifies data under HKEY_USERS
    PID:15244
  • C:\Windows\system32\userinit.exe
    C:\Windows\system32\userinit.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:14560
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:200
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:5012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        app.zip
        • Path C:\Users\Admin\AppData\Local\Temp\app.zip
        • Size 612KB
        • SHA256 47eb8c406d00de41816c34b582bdc2434495f1aa925e4414f86917c848023db9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        au.dat
        • Path C:\Users\Admin\AppData\Local\Temp\au.dat
        • Size 1KB
        • SHA256 d8ade3a8a2826c633c971602f048b0ca1545ffdaf9a4623d0b65b66b7c5c52d4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        au.ini
        • Path C:\Users\Admin\AppData\Local\Temp\au.ini
        • Size 1.5MB
        • SHA256 63493a2e28078afcd508b4caa76b189f491873309e3fe2e9c53321af6d9dcf0e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        support.exe
        • Path C:\Users\Admin\AppData\Local\Temp\support.exe
        • Size 1.2MB
        • SHA256 a2a54b8abc476d7671d4de0771bb54bf5f2373d79ff6871d0ba6a62c3b88ae00
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/200-26884-0x00000223CC1B0000-0x00000223CC1D0000-memory.dmp
        Download

        memory/200-26907-0x00000223CCBF0000-0x00000223CCC10000-memory.dmp
        Download

        memory/200-26871-0x00000223CC3B0000-0x00000223CC3D0000-memory.dmp
        Download

        memory/200-26873-0x00000223CC3F0000-0x00000223CC4F0000-memory.dmp
        Download

        memory/3348-57-0x0000000005190000-0x0000000005308000-memory.dmp
        Download

        memory/3348-26839-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
        Download

        memory/3348-26838-0x0000000005190000-0x0000000005308000-memory.dmp
        Download

        memory/3348-184-0x0000000005190000-0x0000000005308000-memory.dmp
        Download

        memory/3348-58-0x0000000005190000-0x0000000005308000-memory.dmp
        Download

        memory/3348-59-0x0000000005190000-0x0000000005308000-memory.dmp
        Download