Analysis

  • max time kernel
    122s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 22:20

General

  • Target
    2026-06-28_5d1edd6014d800436086023bc3152f14_elex_mafia_stealc_tofsee.exe
  • Size 479KB
  • Sample260628-1846esft3t
  • SHA256 5e437642baf2910a9c37ec5e0d74c71417bccc086d160cbf046c7cccbe5016ea
  • 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.

  • 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 28 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-28_5d1edd6014d800436086023bc3152f14_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-28_5d1edd6014d800436086023bc3152f14_elex_mafia_stealc_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5648
    • C:\Users\Admin\AppData\Local\Temp\CC44.tmp
      "C:\Users\Admin\AppData\Local\Temp\CC44.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-06-28_5d1edd6014d800436086023bc3152f14_elex_mafia_stealc_tofsee.exe 6DD038E2E63313DB746B433A1B47561533D955FF27B22720CDF9DAC1BA72509F494D27ACB6EE483800F1EA0E995ACA11B6A8D1838D6E2CE00CFD379D3B6A9767
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4344
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1108
    • 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:2704
  • 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:5556
  • 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:2960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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

        CC44.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\CC44.tmp
        • Size 479KB
        • SHA256 f70685f89bd098cb6de196837ed20423f91ce367451ee626ff9f3e00fdfd3b12
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2704-193-0x000000000E200000-0x000000000EA7B000-memory.dmp

        memory/5556-7-0x0000022D001E0000-0x0000022D002E0000-memory.dmp

        memory/5556-52-0x000002351D770000-0x000002351D790000-memory.dmp

        memory/5556-21-0x000002351D380000-0x000002351D480000-memory.dmp

        memory/5556-33-0x0000022D03B90000-0x0000022D03BB0000-memory.dmp

        memory/5556-8-0x0000022D001E0000-0x0000022D002E0000-memory.dmp

        memory/5556-19-0x0000022D03B70000-0x0000022D03B90000-memory.dmp

        memory/5556-6-0x0000022D001E0000-0x0000022D002E0000-memory.dmp