Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 17:55

General

  • Target
    2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_elex_mafia_stealc_tofsee.exe
  • Size 486KB
  • Sample260720-whyhqsat8m
  • SHA256 e1f920907f926e8097ba3399fd38ad9561589dc8d6072d8d0b90fa49192ff963
  • 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\2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_elex_mafia_stealc_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5936
    • C:\Users\Admin\AppData\Local\Temp\B63B.tmp
      "C:\Users\Admin\AppData\Local\Temp\B63B.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_elex_mafia_stealc_tofsee.exe EFFA3B020F4B867C821112E156F22653E190BB0073C6FE2F716454D091E00EAFAF4BC5A09E8B8CCAB3F5F85A57F2A953DB7CF2967DC41C41BE16595D316C537C
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4568
      • 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\2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_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:1924

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_elex_mafia_stealc_tofsee.docx

        • Path C:\Users\Admin\AppData\Local\Temp\2026-07-20_35a6ca90e31bc4f6b645dc8fb6ebf5c5_elex_mafia_stealc_tofsee.docx
        • Size 140KB
        • SHA256 ca91bbd477e2a516997c48dde3da1a5eae4cad86ca664fea54f0103739073c94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        B63B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\B63B.tmp
        • Size 486KB
        • SHA256 0a9545796f0f64b44dd8d174e158bd5b426a5092e38e98302dd8e21ed4ea602c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1924-23-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-26-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-14-0x00007FF8CB7C0000-0x00007FF8CB7D0000-memory.dmp

        memory/1924-15-0x00007FF8CB7C0000-0x00007FF8CB7D0000-memory.dmp

        memory/1924-16-0x00007FF8CB7C0000-0x00007FF8CB7D0000-memory.dmp

        memory/1924-17-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-18-0x00007FF8CB7C0000-0x00007FF8CB7D0000-memory.dmp

        memory/1924-19-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-12-0x00007FF8CB7C0000-0x00007FF8CB7D0000-memory.dmp

        memory/1924-22-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-27-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-13-0x00007FF90B7DF000-0x00007FF90B7E0000-memory.dmp

        memory/1924-28-0x00007FF8C8A90000-0x00007FF8C8AA0000-memory.dmp

        memory/1924-25-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-24-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-21-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-20-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-29-0x00007FF8C8A90000-0x00007FF8C8AA0000-memory.dmp

        memory/1924-40-0x00007FF90B680000-0x00007FF90B8E3000-memory.dmp

        memory/1924-41-0x00007FF90B7DF000-0x00007FF90B7E0000-memory.dmp

        memory/1924-42-0x000002EE27450000-0x000002EE27540000-memory.dmp