Analysis

  • max time kernel
    299s
  • max time network
    279s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 04:08

General

  • Target
    Comprobante de pago.js
  • Size 1.5MB
  • Sample261030-eql18svzdt
  • SHA256 f0c5bad7fa82b32db818a313d83a025e97caa2d7ffd821e77524668881cb0e3e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://rough-truth-e072.publicftpresend.workers.dev/fyknenszu

  • exe.dropper

    https://rough-truth-e072.publicftpresend.workers.dev/fyknenszu

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

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

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Comprobante de pago.js"
    1⤵
    • Creates a file in the Startup directory
    • Reads the TCP/IP host and domain name from the registry
    • Modifies registry class
    PID:3864
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& 'C:\Users\Admin\AppData\Local\Temp\radC2E02.tmp.ps1'; Remove-Item -LiteralPath 'C:\Users\Admin\AppData\Local\Temp\radC2E02.tmp.ps1' -Force -ErrorAction SilentlyContinue"
    1⤵
    • Process spawned unexpected child process
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2496
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1936

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          radC2E02.tmp.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\radC2E02.tmp.ps1
          • Size 1KB
          • SHA256 483c5308b65866bcf8633b157da11e50274354a76f13f0fb1c845087ffdb8db8
          • MD5 SHA1 SHA512 TLSH

          memory/2496-11-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-13-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-6-0x000001D61F400000-0x000001D61F422000-memory.dmp

          memory/2496-7-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-8-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-9-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-5-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-10-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-4-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-1-0x00007FFD1F6CF000-0x00007FFD1F6D0000-memory.dmp

          memory/2496-14-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-15-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-16-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-17-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-18-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp

          memory/2496-20-0x00007FFD1F540000-0x00007FFD1FEE4000-memory.dmp