Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 18:34

General

  • Target
    2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.exe
  • Size 486KB
  • Sample260805-w76weadd64
  • SHA256 86e9cf4cc584c34715adf0eb684bb1ffc81d305a1ab12b335d1f5869f3e195b4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\9ABF.tmp
      "C:\Users\Admin\AppData\Local\Temp\9ABF.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.exe 5AC071AEA764F8031E9F4CFDF2158C9902F331A5DED61FD05F5F80C9D9C179986EABE15496ABC1C5EF658F52B4A76BCDD3E7FD4650D370527DDF28648C7A34F5
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:3388
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.docx" /o ""
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:204

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.docx

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-05_548f6efef55f2d55a4312294aa15f9f6_elex_mafia_stealc_tofsee.docx
        • Size 140KB
        • SHA256 ca91bbd477e2a516997c48dde3da1a5eae4cad86ca664fea54f0103739073c94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        9ABF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\9ABF.tmp
        • Size 486KB
        • SHA256 ba4e23b9a80d3d05f4e4e561aa5382c0eb24950d4b8363534236757de3350733
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/204-20-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-21-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-15-0x00007FFA72E60000-0x00007FFA72E70000-memory.dmp

        memory/204-17-0x00007FFA72E60000-0x00007FFA72E70000-memory.dmp

        memory/204-14-0x00007FFA72E60000-0x00007FFA72E70000-memory.dmp

        memory/204-13-0x00007FFAB2E7F000-0x00007FFAB2E80000-memory.dmp

        memory/204-19-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-18-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-12-0x00007FFA72E60000-0x00007FFA72E70000-memory.dmp

        memory/204-16-0x00007FFA72E60000-0x00007FFA72E70000-memory.dmp

        memory/204-24-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-25-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-26-0x00007FFA70360000-0x00007FFA70370000-memory.dmp

        memory/204-23-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-22-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-28-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-27-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-29-0x00007FFA70360000-0x00007FFA70370000-memory.dmp

        memory/204-35-0x00007FFAB2D20000-0x00007FFAB2F83000-memory.dmp

        memory/204-34-0x00007FFAB2E7F000-0x00007FFAB2E80000-memory.dmp