Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/11/2026, 10:15

General

  • Target
    Waybill confirmation copy for customer REF (BL, CI, Company_Documents)_EU_KR.JS.js
  • Size 7.0MB
  • Sample261111-mac3dsvz2p
  • SHA256 78839a214e62f051b2e581c72d5924ee09bf71afb2414c1ec83c9a90bbe8b622
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • ratonrat

Version
  • Free

C2
  • ratontry.v6.navy:29112

Mutex
  • RFOavlCeY0MOhTHBdixcJh3

Attributes
  • assist

    false

  • box

    false

  • box_icon

    No icon

  • box_msg

    empty

  • box_title

    empty

  • defender

    false

  • delay

    0

  • hide_file

    false

  • open_website

    false

  • process_critical

    false

  • reconnect

    4

  • startup

    false

  • tag

    Brunotrial

  • uac

    false

  • vm

    false

  • website

    https://t.me/sillyisafed

Signatures

  • Family: DonutLoader

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

  • Family: RatonRAT

    RatonRAT is an information stealer written in C#.

  • Detects DonutLoader 2 IoCs
  • Detects RatonRAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 1 IoCs

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

  • 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.

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

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Waybill confirmation copy for customer REF (BL, CI, Company_Documents)_EU_KR.JS.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\Waybill confirmation copy for customer REF (BL, CI, Company_Documents)_EU_KR.JS.js:Zone.Identifier"
      2⤵
      • Executes a command shell one-liner
      • NTFS ADS
      PID:892
    • C:\Users\Admin\Documents\MQVHQCQBGKIPJWXT.exe
      "C:\Users\Admin\Documents\MQVHQCQBGKIPJWXT.exe" C:\Users\Admin\Documents\TXWJPIKGBQCQHVQM
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2548

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        naudio.wasapi.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Costura\950BDAD80D65EA7FC5FD07F1244F1737\naudio.wasapi.dll
        • Size 176KB
        • SHA256 a05e371abf96195770ac4f84653d987d63731fed528e98c7fe0d10ce66e37d7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        newtonsoft.json.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Costura\950BDAD80D65EA7FC5FD07F1244F1737\newtonsoft.json.dll
        • Size 704KB
        • SHA256 f0c07af0e84d4dd4da4bd7823ba4535bc0481b3bf623ed40b659b68147a6bb75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        stuff.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Costura\950BDAD80D65EA7FC5FD07F1244F1737\stuff.dll
        • Size 11KB
        • SHA256 db4f07306bbddcc664051ee53db6f37f343f01bab6da7276cf1b600adcdfdf72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        system.buffers.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Costura\950BDAD80D65EA7FC5FD07F1244F1737\system.buffers.dll
        • Size 20KB
        • SHA256 accccfbe45d9f08ffeed9916e37b33e98c65be012cfff6e7fa7b67210ce1fefb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MQVHQCQBGKIPJWXT.exe

        • Path C:\Users\Admin\Documents\MQVHQCQBGKIPJWXT.exe
        • Size 27KB
        • SHA256 70916418ff0b6c2a12e8897ff622bdbb115435d38f0afe3ea981de1e7652ebb4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        TXWJPIKGBQCQHVQM

        • Path C:\Users\Admin\Documents\TXWJPIKGBQCQHVQM
        • Size 1.9MB
        • SHA256 8cea8013756da6459643d0da1565c676d6a4bbd90291af4e8a2a9e9a0cf399e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        lua51.dll

        • Path C:\Users\Admin\Documents\lua51.dll
        • Size 439KB
        • SHA256 2f52407927015a8bf4a2a6765ccb599bc438c9a19e1d4a5dda1f5292a0c0e50a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2548-63-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-56-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-66-0x00000000024A0000-0x00000000034A0000-memory.dmp

        memory/2548-20-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-19-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-60-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-65-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-64-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-62-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-67-0x00000000024A0000-0x00000000025E6000-memory.dmp

        memory/2548-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-14-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-59-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-58-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-57-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-61-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-55-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

        memory/2548-68-0x000000002D3A0000-0x000000002D3B0000-memory.dmp

        memory/2548-69-0x000000002D3B0000-0x000000002D4F4000-memory.dmp

        memory/2548-70-0x000000002D3A0000-0x000000002D3B0000-memory.dmp

        memory/2548-114-0x000000002D690000-0x000000002D69A000-memory.dmp

        memory/2548-117-0x000000002D3A0000-0x000000002D3B0000-memory.dmp

        memory/2548-119-0x000000002FA70000-0x000000002FA7A000-memory.dmp

        memory/2548-123-0x000000002FB40000-0x000000002FBF4000-memory.dmp

        memory/2548-126-0x000000002FA80000-0x000000002FAA2000-memory.dmp

        memory/2548-128-0x0000000030830000-0x0000000030862000-memory.dmp

        memory/2548-131-0x0000000030810000-0x000000003082A000-memory.dmp

        memory/2548-132-0x000000002D3A0000-0x000000002D3B0000-memory.dmp

        memory/2548-133-0x0000000000400000-0x000000000040D000-memory.dmp

        memory/2548-134-0x0000000066D80000-0x0000000066DF4000-memory.dmp

        memory/2548-135-0x000000002D3A0000-0x000000002D3B0000-memory.dmp

        memory/2548-136-0x000000002D3A0000-0x000000002D3B0000-memory.dmp

        memory/2548-137-0x000000002D3A0000-0x000000002D3B0000-memory.dmp