Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/08/2026, 02:32

General

  • Target
    見積請求書.js
  • Size 2.8MB
  • Sample260806-c1bl5scl41
  • SHA256 4d2d933833407d7a57ca47402808a1d79e22f5cffda0d4bd35177669e987d867
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.vilimorin.com

  • Port

    21

  • Password

    17hITZgqC7!aL;z6

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 TTPs 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).

  • Modifies registry class 2 IoCs
  • 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\見積請求書.js
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Users\Admin\Documents\OAAHIBRPRRYFXWNN.PIF
      "C:\Users\Admin\Documents\OAAHIBRPRRYFXWNN.PIF" C:\Users\Admin\Documents\OAAHIBRPRRYFXWNN.ttf
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      PID:1260

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        OAAHIBRPRRYFXWNN.PIF

        • Path C:\Users\Admin\Documents\OAAHIBRPRRYFXWNN.PIF
        • Size 467KB
        • SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        OAAHIBRPRRYFXWNN.ttf

        • Path C:\Users\Admin\Documents\OAAHIBRPRRYFXWNN.ttf
        • Size 482KB
        • SHA256 616026c266ff1ef311333d923f2d4bf7b8bd499b7a4f21e6a1dcccc55039a2cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1260-9-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-10-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-11-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-12-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-13-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-16-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-21-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-23-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-20-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-19-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-18-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-17-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-14-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-15-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-26-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-25-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-24-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-22-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-27-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-28-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-29-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-31-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-44-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-51-0x00000000152E0000-0x0000000015324000-memory.dmp

        memory/1260-49-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-48-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-47-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-46-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-45-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-38-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-36-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-43-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-42-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-41-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-40-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-39-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-37-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-34-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-33-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-30-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-35-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-32-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/1260-50-0x00000000152E0000-0x00000000162E0000-memory.dmp

        memory/1260-52-0x00007FFE8B8FF000-0x00007FFE8B900000-memory.dmp

        memory/1260-53-0x0000000002A50000-0x0000000002A92000-memory.dmp

        memory/1260-54-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-55-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-56-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-57-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-58-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-59-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-60-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-61-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-62-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-63-0x00007FFE8B770000-0x00007FFE8C114000-memory.dmp

        memory/1260-64-0x0000000000400000-0x000000000047B000-memory.dmp

        memory/1260-66-0x0000000002B10000-0x0000000002B60000-memory.dmp