Analysis

  • max time kernel
    148s
  • max time network
    139s
  • 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, 18:48

General

  • Target
    encrypted_msb_9987.js
  • Size 3.4MB
  • Sample261102-xftmfaex8l
  • SHA256 7108d2c7b985267bec554335b4a91b8f756b4d1eca463d04051b4d65b065d587
  • 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
  • Executes dropped EXE 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.

  • 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 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\encrypted_msb_9987.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4140
    • C:\Users\Admin\AppData\Roaming\SecurityHealth\mwdhtftg.exe
      "C:\Users\Admin\AppData\Roaming\SecurityHealth\mwdhtftg.exe" "C:\Users\Admin\AppData\Roaming\SecurityHealth\ehuojfwe.au3"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Windows\SysWOW64\iexpress.exe
        C:\Windows\SysWOW64\iexpress.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4264
    • 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\SecurityHealth"
      2⤵
      • Executes a command shell one-liner
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\system32\PING.EXE
        ping -n 9 127.0.0.1
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2348

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        JGFFDDERGH

        • Path C:\Users\Admin\AppData\Roaming\SecurityHealth\JGFFDDERGH
        • Size 118KB
        • SHA256 8faccbe1c735ccfb419b74a8271d3148be1ff15f3f5500570f95df5b7ad471d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ehuojfwe.au3

        • Path C:\Users\Admin\AppData\Roaming\SecurityHealth\ehuojfwe.au3
        • Size 10KB
        • SHA256 436f2083f6960dd189b5c076a1919af7fa6c8d31dca16ff6b45ec843ddb475c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mwdhtftg.exe

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

        memory/4264-11-0x00000000007D0000-0x00000000007EE000-memory.dmp

        memory/4264-13-0x0000000004D90000-0x0000000004DAC000-memory.dmp