Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 04:26

General

  • Target
    9b756ab85236b4cc29a55e1cab4bc9b0_NeikiAnalytics.exe
  • Size 45KB
  • Sample240603-e2syxscf26
  • SHA256 264fa265d2024f09f0358bc902e390f9482aa6144671cad71ca22fac8666ef02
  • 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\9b756ab85236b4cc29a55e1cab4bc9b0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\9b756ab85236b4cc29a55e1cab4bc9b0_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:3804
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3700
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:5008
    • 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:4984
    • 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:3168
    • 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:3612
    • 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:2164
    • 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:436

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 45KB
        • SHA256 edf2a84b43f7e0d02143d16fa12796380a3dc2c3e4d5cd073bb2cd69332642f4
        • MD5 SHA1 SHA512 SSDEEP

        LSASS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
        • Size 45KB
        • SHA256 c518b94e1be43dbcc947eb1733bcdd8312e41b6f4b3a5c7121fbbea1a9bafa39
        • MD5 SHA1 SHA512 SSDEEP

        SERVICES.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 45KB
        • SHA256 0913e042c9c409eb7fe42a3845fd97407ed4f76ad25a7a25650fe2071633bf87
        • MD5 SHA1 SHA512 SSDEEP

        SMSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
        • Size 45KB
        • SHA256 b7859526108ddbc63d0a996e3df991dba303b2e6d390bfd368f5c9491cf7e391
        • MD5 SHA1 SHA512 SSDEEP

        WINLOGON.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
        • Size 45KB
        • SHA256 f89e72685dd9e4a36e7c3b0174eae0bbd26b874c77034e7c7f09c9570de50084
        • MD5 SHA1 SHA512 SSDEEP

        winlogon.exe

        • Path C:\Users\Admin\AppData\Local\winlogon.exe
        • Size 45KB
        • SHA256 264fa265d2024f09f0358bc902e390f9482aa6144671cad71ca22fac8666ef02
        • MD5 SHA1 SHA512 SSDEEP

        IExplorer.exe

        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 45KB
        • SHA256 8e85ccc9aa1592bf668f492130e4b11e2aadbf39037b4a840bcc2f63f64d6462
        • MD5 SHA1 SHA512 SSDEEP

        xk.exe

        • Path C:\Windows\xk.exe
        • Size 45KB
        • SHA256 d3a642c9f971efa47b3153acc8c592878c38f51f80e1c4eed9d1a69553357d28
        • MD5 SHA1 SHA512 SSDEEP

        memory/436-155-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2164-148-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3168-136-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3612-141-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3700-113-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3700-108-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3804-0-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3804-157-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/4984-129-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/5008-120-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/5008-116-0x0000000000400000-0x000000000042E000-memory.dmp