Resubmissions

11/06/2026, 01:58

260611-cdxabsh15l10

09/06/2026, 12:55

260609-p52eksaw7t10

Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    09/06/2026, 12:55

General

  • Target
    請求書.js
  • Size 6.9MB
  • Sample260609-p52eksaw7t
  • SHA256 b87f7b38f087592979ec3a441c54dc45d31e8071736050c40aa31aa5d85a3275
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.enogcaen-br.com

  • Port

    21

  • Password

    )%8D{RiwKcGI;U$D

Signatures

  • Family: AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Family: DonutLoader

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

  • Detects DonutLoader 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\請求書.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Users\Public\Libraries\MSBOUMDGOAYWTNIO.exe
      "C:\Users\Public\Libraries\MSBOUMDGOAYWTNIO.exe" C:\Users\Public\Libraries\MSBOUMDGOAYWTNIO.ttf
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      PID:5872

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        MSBOUMDGOAYWTNIO.exe

        • Path C:\Users\Public\Libraries\MSBOUMDGOAYWTNIO.exe
        • Size 467KB
        • SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSBOUMDGOAYWTNIO.ttf

        • Path C:\Users\Public\Libraries\MSBOUMDGOAYWTNIO.ttf
        • Size 563KB
        • SHA256 39fbcc35e0da478f78e3620e8594b142c998aa2c8a9a83cd0e94ae5c482abac6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5872-11-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-12-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-13-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-14-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-16-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-17-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-15-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-19-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-21-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-20-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-18-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-26-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-25-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-24-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-23-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-22-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-28-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-27-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-29-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-32-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-33-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-52-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-51-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-54-0x0000000015AA0000-0x0000000016AA0000-memory.dmp

        memory/5872-55-0x0000000015AA0000-0x0000000015AE4000-memory.dmp

        memory/5872-50-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-49-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-56-0x0000000029950000-0x0000000029960000-memory.dmp

        memory/5872-58-0x0000000029950000-0x0000000029960000-memory.dmp

        memory/5872-57-0x0000000002BD0000-0x0000000002C12000-memory.dmp

        memory/5872-48-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-47-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-46-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-45-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-44-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-43-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-42-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-41-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-40-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-39-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-38-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-37-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-36-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-35-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-34-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-53-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-31-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-30-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/5872-59-0x0000000029950000-0x0000000029960000-memory.dmp

        memory/5872-60-0x0000000000400000-0x000000000047B000-memory.dmp

        memory/5872-61-0x0000000029950000-0x0000000029960000-memory.dmp

        memory/5872-62-0x0000000029950000-0x0000000029960000-memory.dmp

        memory/5872-64-0x0000000002C30000-0x0000000002C80000-memory.dmp