Analysis

  • max time kernel
    134s
  • max time network
    152s
  • 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, 21:28

General

  • Target
    2026-07-02_0f204e9454d11bc127000e8e4e28cc3a_elex_mafia_stealc.exe
  • Size 435KB
  • Sample260702-1bty7afs81
  • SHA256 ee6b17e8ab14656f65c32706ce9c4152300abe8d1438fe37b48e10fc7d6e635d
  • 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 36 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 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\2026-07-02_0f204e9454d11bc127000e8e4e28cc3a_elex_mafia_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-02_0f204e9454d11bc127000e8e4e28cc3a_elex_mafia_stealc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5652
    • C:\Users\Admin\AppData\Local\Temp\ABFA.tmp
      "C:\Users\Admin\AppData\Local\Temp\ABFA.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-07-02_0f204e9454d11bc127000e8e4e28cc3a_elex_mafia_stealc.exe 2740C3916A04592BFB9F88AF49230BDCF9F8F9DB8E82F2D32CDE5AA13097354D31DB92E5AA006A40EEB7709B983B801789B3AEB1B0B77D0C43058BB4B5178F08
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4804
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5604
    • 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:1332
  • 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:5020
  • 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:2760

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 595B
        • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
        • MD5 SHA1 SHA512 TLSH

        ABFA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\ABFA.tmp
        • Size 435KB
        • SHA256 5c3e61f872084f35b83218d65a4547a184982ccaa7bea6dcc186dc835692576e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5020-23-0x0000021283930000-0x0000021283950000-memory.dmp

        memory/5020-59-0x0000021294110000-0x0000021294130000-memory.dmp

        memory/5020-8-0x00000212801E0000-0x00000212802E0000-memory.dmp

        memory/5020-9-0x00000212801E0000-0x00000212802E0000-memory.dmp

        memory/5020-7-0x00000212801E0000-0x00000212802E0000-memory.dmp

        memory/5020-24-0x0000021293D70000-0x0000021293E70000-memory.dmp

        memory/5020-40-0x0000021283D10000-0x0000021283D30000-memory.dmp