Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/10/2026, 09:38

General

  • Target
    UOB_Payment Advice Copy.pdf.js
  • Size 2.1MB
  • Sample261008-ll91tsvvav
  • SHA256 afc85c1eaa5814d053d79fb4cc4dcad10aa53ca0e47950b8c33dcd7afb20ff02
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://kipmwh3pdc.ufs.sh/f/7bB6ZShjMtlzYRILavQ2dZqTu1ptjCGaU3Mn4wkcmF0IE7RA

Signatures

  • Badlisted process makes network request 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\UOB_Payment Advice Copy.pdf.js"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy bypass -file "C:\Users\Public\rVuLyM.ps1"
      2⤵
      • Badlisted process makes network request
      • Adds Run key to start application
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3412

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        rVuLyM.ps1

        • Path C:\Users\Public\rVuLyM.ps1
        • Size 556B
        • SHA256 974a905bc44dbef27fd83220cad35c04eb620a7095d3b226faa44637a674be18
        • MD5 SHA1 SHA512 TLSH

        memory/3412-13-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-3-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-4-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-7-0x00000222457E0000-0x0000022245802000-memory.dmp

        memory/3412-8-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-9-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-10-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-11-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-1-0x00007FF9F076F000-0x00007FF9F0770000-memory.dmp

        memory/3412-2-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-16-0x0000022245850000-0x000002224585E000-memory.dmp

        memory/3412-15-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-14-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-17-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-18-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-19-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-20-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-21-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-24-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp

        memory/3412-25-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp