Analysis

  • max time kernel
    92s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/06/2024, 01:32

General

  • Target
    1d564ae000b7f3fc215d621a81e45f50_NeikiAnalytics.exe
  • Size 91KB
  • Sample240604-byafmagf5s
  • SHA256 8302ebabe86b30ccb42437bde5d8d33deb8b4dc267d3fdc99cd1ec6c998c917c
  • 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\1d564ae000b7f3fc215d621a81e45f50_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\1d564ae000b7f3fc215d621a81e45f50_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:2408
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3844
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4820
    • 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:1080
    • 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:4532
    • 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:2728
    • 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:1840
    • 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:2056

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CSRSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
        • Size 91KB
        • SHA256 f65bf8e208f70b6fe93187fa89649e71cdbb753057859f6e941872228f7ff31e
        • MD5 SHA1 SHA512 SSDEEP

        SERVICES.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 1d161c62f22dd87c9476fc7122897c1ec074f18454b29ac22e17b12ee4c6954c
        • MD5 SHA1 SHA512 SSDEEP

        WINLOGON.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
        • Size 91KB
        • SHA256 567dca36f8af5bd437fc55c44ca6b693214fef43eb0bffa25e8d1cf70c3c70c7
        • MD5 SHA1 SHA512 SSDEEP

        winlogon.exe

        • Path C:\Users\Admin\AppData\Local\winlogon.exe
        • Size 91KB
        • SHA256 8302ebabe86b30ccb42437bde5d8d33deb8b4dc267d3fdc99cd1ec6c998c917c
        • MD5 SHA1 SHA512 SSDEEP

        IExplorer.exe

        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 072a19caa386bfc19089c803acdb00801ba83a629341e8227765495b980ac91a
        • MD5 SHA1 SHA512 SSDEEP

        xk.exe

        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 90997c2808bc004c7341845501874d94e9388f7a583ca39939c03b2f415b3d39
        • MD5 SHA1 SHA512 SSDEEP

        memory/1080-124-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1840-144-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2056-151-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2408-0-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2408-153-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2728-137-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3844-111-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4532-131-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4820-118-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4820-115-0x0000000000400000-0x000000000042E000-memory.dmp