Resubmissions

02/11/2026, 05:53

261102-glpyfahv6p10

02/11/2026, 05:48

261102-ghnk7se17z10

Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 05:53

General

  • Target
    seuaniversario.js
  • Size 3.4MB
  • Sample261102-glpyfahv6p
  • SHA256 03a797ad0aaed4eaf6ffaac64f631c5f56217d5c8ed3554d21f8c270f067818b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 1 IoCs
  • 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.

  • Executes dropped EXE 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\seuaniversario.js
    1⤵
    • Creates a file in the Startup directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5732
    • C:\Users\Admin\AppData\Roaming\ProtectedData\cykypemm.exe
      "C:\Users\Admin\AppData\Roaming\ProtectedData\cykypemm.exe" "C:\Users\Admin\AppData\Roaming\ProtectedData\gywhlmku.au3"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:924
      • C:\Windows\SysWOW64\iexpress.exe
        C:\Windows\SysWOW64\iexpress.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5616
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\ProtectedData\mopeudpb.vbs"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      PID:2488
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping -n 3 127.0.0.1 >nul & del /f /q "C:\Users\Admin\AppData\Local\Temp\seuaniversario.js"
      2⤵
      • Executes a command shell one-liner
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:6036
      • C:\Windows\system32\PING.EXE
        ping -n 3 127.0.0.1
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1972
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping -n 9 127.0.0.1 >nul & rd /s /q "C:\Users\Admin\AppData\Roaming\ProtectedData"
      2⤵
      • Executes a command shell one-liner
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\system32\PING.EXE
        ping -n 9 127.0.0.1
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1656
  • C:\Windows\System32\wscript.exe
    C:\Windows\System32\wscript.exe
    1⤵
      PID:4520

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          cykypemm.exe

          • Path C:\Users\Admin\AppData\Roaming\ProtectedData\cykypemm.exe
          • Size 957KB
          • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gywhlmku.au3

          • Path C:\Users\Admin\AppData\Roaming\ProtectedData\gywhlmku.au3
          • Size 8KB
          • SHA256 ecb6e3a8d13789e9a6dca89b24c3476b6fc5f8c3dd48932df2057061f78d6267
          • MD5 SHA1 SHA512 SSDEEP TLSH

          qaqq

          • Path C:\Users\Admin\AppData\Roaming\ProtectedData\qaqq
          • Size 119KB
          • SHA256 9712c0e58292342b415db7e284f5805e29c32095b1680d6de2c56e4bc63089d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5616-12-0x00000000003B0000-0x00000000003CE000-memory.dmp

          memory/5616-14-0x0000000002690000-0x00000000026AC000-memory.dmp

          memory/5616-16-0x00000000038F0000-0x000000000398C000-memory.dmp

          memory/5616-17-0x0000000006D10000-0x00000000072CA000-memory.dmp

          memory/5616-18-0x0000000003A00000-0x0000000003A66000-memory.dmp

          memory/5616-19-0x0000000006830000-0x00000000068C2000-memory.dmp