Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/10/2026, 19:28

General

  • Target
    2026-10-28_c11ac109ff0239b988f2016a7de735f3_elex_stop.exe
  • Size 4.2MB
  • Sample261029-x6tecssy7k
  • SHA256 f8deae5dc6b1fa5b1de9a6496019081a55b84abfdb74dc8e686ec607bc816b27
  • 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 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).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 24 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 6 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\2026-10-28_c11ac109ff0239b988f2016a7de735f3_elex_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_c11ac109ff0239b988f2016a7de735f3_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:3944
    • 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:3960
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        0
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Reads the TCP/IP host and domain name from the registry
        • 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:3204
        • 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:3972
        • 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:4696
      • 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:3596
      • 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:3788
      • 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:\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:2100
      • 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:888
      • 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:452
      • 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:5020
      • 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:3984
      • 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:3936
      • 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:4024
      • 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:3932
      • 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:2368
      • 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:1856
      • 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:3728
      • 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:2936
      • 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:4548
      • 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:3520
      • 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:1828
      • 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:1204
      • 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:836
      • 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:3928
      • 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:3416
      • 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:3304
  • 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:2756
  • 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:3916
  • C:\ProgramData\Important.exe
    C:\ProgramData\Important.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1676
  • 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:4512

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Browsers.txt

        • Path C:\ProgramData\Browsers.txt
        • Size 3KB
        • SHA256 a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
        • MD5 SHA1 SHA512 TLSH

        Important.exe

        • Path C:\ProgramData\Important.exe
        • Size 52KB
        • SHA256 403752009f29381d5e4036b8be94589c89188f9ce8ef5f86959eaaada019ed36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        winmgr21.exe

        • Path C:\ProgramData\winmgr21.exe
        • Size 4.2MB
        • SHA256 fa33633f8ab3eef291cf74bf0804d4d046f31a2a9b308e5aa1120267b3835f2e
        • 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/3204-11-0x0000000000D00000-0x0000000000DAA000-memory.dmp

        memory/3204-12-0x0000000000F20000-0x0000000000F30000-memory.dmp

        memory/3204-13-0x0000000073512000-0x0000000073514000-memory.dmp

        memory/3204-36-0x0000000073512000-0x0000000073514000-memory.dmp

        memory/3204-35-0x0000000000F20000-0x0000000000F30000-memory.dmp

        memory/3972-17-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3972-15-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/3972-14-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/4696-21-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4696-23-0x0000000000400000-0x0000000000459000-memory.dmp

        memory/4696-20-0x0000000000400000-0x0000000000459000-memory.dmp