Analysis

  • max time kernel
    118s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 14:34

General

  • Target
    2026-07-02_d682d2d216bf92f7ef20250cfc225163_elex_mafia_stealc_tofsee.exe
  • Size 412KB
  • Sample260702-rxv9psf12s
  • SHA256 d1680802e15f3c30f540861d5ea0debe17e163ac06b5c8fc9a59ce8320f1aa70
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\2026-07-02_d682d2d216bf92f7ef20250cfc225163_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_d682d2d216bf92f7ef20250cfc225163_elex_mafia_stealc_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\DEF1.tmp
      "C:\Users\Admin\AppData\Local\Temp\DEF1.tmp" --pingC:\Users\Admin\AppData\Local\Temp\2026-07-02_d682d2d216bf92f7ef20250cfc225163_elex_mafia_stealc_tofsee.exe 6DBF49357E859635D45FD2F487DA4C93FF27F0BA1A58705733BBE8A6C4327D41DEE9A3E28007FA5E94BA703E0B462BF62161F92FB3EA15B1737E910D9208D47C
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:4256
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2760
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2136
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1824
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4764

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          prep_Activatable Class_Hermes_perf.cache

          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH

          DEF1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\DEF1.tmp
          • Size 412KB
          • SHA256 7d41b35b63d6cfbc9f34e29bfed57570f6c6cb1097d2b4d5b6d0474eec28873b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1824-170-0x000001D922890000-0x000001D922B2E000-memory.dmp

          memory/2136-40-0x0000024683D70000-0x0000024683D90000-memory.dmp

          memory/2136-33-0x0000024683A30000-0x0000024683A50000-memory.dmp

          memory/2136-25-0x00000246801E0000-0x00000246802E0000-memory.dmp

          memory/2136-34-0x0000024693E90000-0x0000024693F90000-memory.dmp

          memory/2136-70-0x0000024694250000-0x0000024694270000-memory.dmp

          memory/2136-169-0x0000024697920000-0x0000024697BBE000-memory.dmp