Analysis

  • max time kernel
    150s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 17:34

General

  • Target
    2026-08-02_966b5f4e13d401449c85f7bec78fa0b0_elex_stop.exe
  • Size 3.5MB
  • Sample260802-v5dleadd22
  • SHA256 6f6ea9f8d7613d8ff55040733b45d361f050b3a138edfeca1191f99c7f045087
  • 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 6 IoCs

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

  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 3 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 3 IoCs
  • 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

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 4 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 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 24 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_966b5f4e13d401449c85f7bec78fa0b0_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_966b5f4e13d401449c85f7bec78fa0b0_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:5264
    • 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:5392
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        0
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:124
        • 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:1332
        • 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⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:5928
      • 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:1144
      • 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:2004
      • 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:2952
      • 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:2748
      • 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:3736
      • 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:460
      • 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:568
      • 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:3836
      • 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:4112
      • 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:3220
      • 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:4580
      • 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:5304
      • 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:1752
      • 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:5568
      • 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:4100
      • 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:6036
      • 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:2900
      • 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:4260
      • 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:2664
      • 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:5860
      • 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:204
      • 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:5196
  • 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:5148
  • C:\ProgramData\Important.exe
    C:\ProgramData\Important.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:664
  • 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:588
  • C:\ProgramData\winmgr21.exe
    "C:\ProgramData\winmgr21.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:3128

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Browsers.txt

        • Path C:\ProgramData\Browsers.txt
        • Size 2B
        • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
        • MD5 SHA1 SHA512

        Important.exe

        • Path C:\ProgramData\Important.exe
        • Size 52KB
        • SHA256 f54e019c1896811e1d737c9f15b6b50b43ad6bff3a1dd952662f1b5bdc4069b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        winmgr21.exe

        • Path C:\ProgramData\winmgr21.exe
        • Size 3.5MB
        • SHA256 e0e7c9569db788b6701707d2ddaa7fa353cfc6c8573691fafec40d7e29c71f06
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/124-12-0x0000000000600000-0x00000000006AA000-memory.dmp

        memory/124-13-0x0000000002680000-0x0000000002690000-memory.dmp

        memory/124-14-0x0000000072D12000-0x0000000072D14000-memory.dmp

        memory/124-35-0x0000000072D12000-0x0000000072D14000-memory.dmp

        memory/124-34-0x0000000002680000-0x0000000002690000-memory.dmp

        memory/1332-16-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1332-18-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/1332-15-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/5928-22-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/5928-24-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/5928-21-0x0000000000400000-0x0000000000459000-memory.dmp