Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 22:23

General

  • Target
    2026-10-21_6deb6e7df1f3b3e0ccf084b2d06475d2_elex_stop.exe
  • Size 2.1MB
  • Sample261022-2az99aav2j
  • SHA256 c60afc854f90caae1a139a41ed602da346a218fd05835f10d6e44ef9110d9f45
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: KeyBase

    KeyBase is a .NET credential stealer and keylogger first emerging in February 2015.

  • Detects KeyBase stealer 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 5 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 31 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • NTFS ADS 5 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 25 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-21_6deb6e7df1f3b3e0ccf084b2d06475d2_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-21_6deb6e7df1f3b3e0ccf084b2d06475d2_elex_stop.exe"
    1⤵
    • Adds Run key to start application
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:5460
    • C:\ProgramData\winmgr21.exe
      C:\ProgramData\winmgr21.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        0
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2948
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" /stext C:\ProgramData\Mails.txt
          4⤵
            PID:940
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5008
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1332
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5896
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1052
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1044
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4056
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1656
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2412
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5584
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2840
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:6020
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3692
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5500
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1120
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4988
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5864
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5536
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:424
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3476
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4932
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3780
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:5964
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3132
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1884
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr21.exe" /tr "C:\ProgramData\winmgr21.exe" /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4200
    • C:\ProgramData\winmgr21.exe
      C:\ProgramData\winmgr21.exe
      1⤵
      • Executes dropped EXE
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2676
    • C:\ProgramData\winmgr21.exe
      "C:\ProgramData\winmgr21.exe"
      1⤵
      • Executes dropped EXE
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:4628
    • C:\ProgramData\winmgr21.exe
      "C:\ProgramData\winmgr21.exe"
      1⤵
      • Executes dropped EXE
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:3836

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          winmgr21.exe

          • Path C:\ProgramData\winmgr21.exe
          • Size 2.1MB
          • SHA256 637a4d107dcd5da6e2c187255e623177fdf44f8dadc68d6314cbb9596da01028
          • MD5 SHA1 SHA512 SSDEEP TLSH

          winmgr21.exe:Zone.Identifier:$DATA

          • Path C:\ProgramData\winmgr21.exe:Zone.Identifier:$DATA
          • Size 24B
          • SHA256 ccc0133d8f43d3021eb667f86ae939f7f8ec83e727b8334f9e0facccd6d01063
          • MD5 SHA1 SHA512

          memory/2948-14-0x0000000001100000-0x00000000011AA000-memory.dmp

          memory/2948-15-0x0000000003210000-0x0000000003220000-memory.dmp

          memory/2948-16-0x0000000073CA2000-0x0000000073CA4000-memory.dmp

          memory/2948-22-0x0000000003210000-0x0000000003220000-memory.dmp

          memory/2948-23-0x0000000073CA2000-0x0000000073CA4000-memory.dmp

          memory/5460-0-0x0000000000400000-0x000000000062F000-memory.dmp