Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/10/2026, 16:08

General

  • Target
    2026-10-29_24e98f18696f3fc1157a808edf68b7ab_elex_stop.exe
  • Size 2.1MB
  • Sample261029-tk74vaes4q
  • SHA256 905563fc40a3235b675460017577a27555e301fa19115755d7310af3ce1c680a
  • 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
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Detects executables referencing many email and collaboration clients. Observed in information steale 3 IoCs
  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • Executes dropped EXE 4 IoCs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 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 3 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 33 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 26 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-29_24e98f18696f3fc1157a808edf68b7ab_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-29_24e98f18696f3fc1157a808edf68b7ab_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:5636
    • 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:568
      • 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:360
        • 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⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:4576
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" /stext C:\ProgramData\Browsers.txt
          4⤵
            PID:3512
        • 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:2344
        • 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:2416
        • 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:4416
        • 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:3460
        • 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:3196
        • 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:4480
        • 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:2008
        • 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:1500
        • 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:1640
        • 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:3016
        • 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:3296
        • 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:1208
        • 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:5016
        • 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:2308
        • 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:788
        • 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:5036
        • 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:5384
        • 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:5340
        • 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:4244
        • 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:5372
        • 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:5336
        • 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:6076
        • 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:352
        • 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:3100
        • 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:3580
        • 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:1556
    • 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:4800
    • 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:2100
    • 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:3044
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5624

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            winmgr21.exe

            • Path C:\ProgramData\winmgr21.exe
            • Size 2.1MB
            • SHA256 d7cb705133b78393ddbd66615a1ae45caecb9e0c8361b3855c62893ca423ec7f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            winmgr21.exe:Zone.Identifier

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

            memory/360-14-0x0000000000F00000-0x0000000000FAA000-memory.dmp

            memory/360-15-0x0000000002F50000-0x0000000002F60000-memory.dmp

            memory/360-16-0x0000000073C42000-0x0000000073C44000-memory.dmp

            memory/360-25-0x0000000002F50000-0x0000000002F60000-memory.dmp

            memory/360-26-0x0000000073C42000-0x0000000073C44000-memory.dmp

            memory/4576-20-0x0000000000400000-0x000000000041B000-memory.dmp

            memory/4576-23-0x0000000000400000-0x000000000041B000-memory.dmp

            memory/4576-21-0x0000000000400000-0x000000000041B000-memory.dmp

            memory/5636-0-0x0000000000400000-0x000000000062F000-memory.dmp