Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 07:05

General

  • Target
    91f06becca1f76b9dbe84494b7337740_NeikiAnalytics.exe
  • Size 91KB
  • Sample240601-hwjpvaeb86
  • SHA256 e414b39cd0f04e4c33e67002571d29ff6d3f983b249c54059533fe8802486ad0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables use of System Restore points 1 TTPs
  • Executes dropped EXE 7 IoCs
  • Modifies system executable filetype association 2 TTPs 13 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Control Panel 4 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91f06becca1f76b9dbe84494b7337740_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\91f06becca1f76b9dbe84494b7337740_NeikiAnalytics.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Disables RegEdit via registry modification
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2660
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3440
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4604
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1808
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\CSRSS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4948
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2288
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\LSASS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1212
    • C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE
      "C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3164

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        CSRSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
        • Size 91KB
        • SHA256 0898b94d3b265a5b166ec39f8cf3cecd9b784be47a48b863686a2c18c4a3d767
        • MD5 SHA1 SHA512 SSDEEP

        LSASS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
        • Size 91KB
        • SHA256 00a1c16cb6be775075011616038b947bcdf61c767bcc3110e074ba961c042a25
        • MD5 SHA1 SHA512 SSDEEP

        SERVICES.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 a7ff2fc52e244d997a02b7fa4f241b9937716599809826b6139121c044bc0c8c
        • MD5 SHA1 SHA512 SSDEEP

        SMSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
        • Size 91KB
        • SHA256 3aed1e97b15db2043478a3c183cad7f6899074a7991524bce3a227635f9a7701
        • MD5 SHA1 SHA512 SSDEEP

        winlogon.exe

        • Path C:\Users\Admin\AppData\Local\winlogon.exe
        • Size 91KB
        • SHA256 e414b39cd0f04e4c33e67002571d29ff6d3f983b249c54059533fe8802486ad0
        • MD5 SHA1 SHA512 SSDEEP

        IExplorer.exe

        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 f887913dc9204fd081fb39ece1e1abb304771ac071cc49e1f6890d721b6714dc
        • MD5 SHA1 SHA512 SSDEEP

        xk.exe

        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 8a10297225315e223688165d89ed7beff35660a9a986fa143b167aec194ce908
        • MD5 SHA1 SHA512 SSDEEP

        memory/1212-148-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1212-145-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1808-128-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2288-140-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2660-0-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2660-156-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3164-154-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3440-114-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4604-122-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4604-115-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4948-135-0x0000000000400000-0x000000000042E000-memory.dmp