Analysis

  • max time kernel
    148s
  • max time network
    145s
  • 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, 11:14

General

  • Target
    PO-9838.js
  • Size 9.3MB
  • Sample261102-nb82wsvv6r
  • SHA256 c6537c972b67ab952551d39f2112c3d1ff616c0c3da12256539aeae32478eb40
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.minahotel.com.tr

  • Port

    587

  • Password

    MnHtl2391*+!

Extracted

Family
  • phantom_stealer

Version
  • v4.0.0

Credentials
Mutex
  • 9ZQ116OWEP1RELAKYO5X

Attributes
  • autorun

    true

  • enable_ssl

    true

  • passwords

    true

  • smtp_enabled

    true

Signatures

  • Family: DonutLoader

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

  • Family: PhantomStealer

    Phantom Stealer is a stealer written in C#, forked from the Stealerium family.

  • Detects DonutLoader 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 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.

  • Modifies registry class 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\PO-9838.js
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5344
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\PO-9838.js:Zone.Identifier"
      2⤵
      • Executes a command shell one-liner
      • NTFS ADS
      PID:4100
    • C:\Users\Admin\Documents\YHBZCIMRBCLJACNW.exe
      "C:\Users\Admin\Documents\YHBZCIMRBCLJACNW.exe" C:\Users\Admin\Documents\WNCAJLCBRMICZBHY
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      PID:4908
      • C:\Windows\System32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" all -k --output-path "C:\Users\Admin\AppData\Local\Temp\911cc0d5a286ea39578a7f6672a33f46"
        3⤵
          PID:120
    • C:\Users\Admin\AppData\Roaming\YHBZCIMRBCLJACNW.exe
      C:\Users\Admin\AppData\Roaming\YHBZCIMRBCLJACNW.exe
      1⤵
      • Executes dropped EXE
      PID:2060

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          WNCAJLCBRMICZBHY

          • Path C:\Users\Admin\Documents\WNCAJLCBRMICZBHY
          • Size 2.8MB
          • SHA256 55b524696e5c492802fd4dcfe1fda0cd6d6157241ba1c4466b7cd048de52a498
          • MD5 SHA1 SHA512 SSDEEP TLSH

          YHBZCIMRBCLJACNW.exe

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

          lua51.dll

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

          memory/120-64-0x0000000040000000-0x0000000040167000-memory.dmp

          memory/120-70-0x0000000040000000-0x0000000040167000-memory.dmp

          memory/4908-14-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-15-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-16-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-17-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-18-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-22-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-21-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-20-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-19-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-25-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-24-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-23-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-26-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-28-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-31-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-30-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-29-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-27-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-32-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-33-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-34-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-37-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-45-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-54-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-53-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-52-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-51-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-50-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-49-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-48-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-47-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-46-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-44-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-43-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-42-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-40-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-41-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-36-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-39-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-35-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-38-0x0000000057FD0000-0x0000000057FE0000-memory.dmp

          memory/4908-56-0x0000000002480000-0x0000000002672000-memory.dmp

          memory/4908-55-0x0000000002480000-0x0000000003480000-memory.dmp

          memory/4908-57-0x00007FFD0BA5F000-0x00007FFD0BA60000-memory.dmp

          memory/4908-58-0x000000002D810000-0x000000002D9FE000-memory.dmp

          memory/4908-59-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-60-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-61-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-62-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-73-0x0000000000400000-0x000000000040D000-memory.dmp

          memory/4908-74-0x0000000066D80000-0x0000000066DF4000-memory.dmp

          memory/4908-75-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-76-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-77-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-82-0x000000002E000000-0x000000002E1C2000-memory.dmp

          memory/4908-83-0x000000002E1D0000-0x000000002E246000-memory.dmp

          memory/4908-84-0x000000002E250000-0x000000002E2A0000-memory.dmp

          memory/4908-85-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp

          memory/4908-88-0x00007FFD0B8D0000-0x00007FFD0C274000-memory.dmp