Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 07:04

General

  • Target
    9f98944de71b5f537af9847bb742b9c0_NeikiAnalytics.exe
  • Size 91KB
  • Sample240603-hv5wpagg36
  • SHA256 ed9b1e6a02326d33854977fe55757f0e6b0540347d5cb7d718925d2e4a5e2587
  • 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
  • Loads dropped DLL 12 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Control Panel 4 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f98944de71b5f537af9847bb742b9c0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\9f98944de71b5f537af9847bb742b9c0_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
    • Loads dropped DLL
    • 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:2864
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3000
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1152
    • 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:2844
    • 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:1188
    • 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:2704
    • 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:2260
    • 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:2496

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        SMSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
        • Size 91KB
        • SHA256 d611f5cd1063f8d55aef91758f38c2d1928738c7ef0257b7b2c7fbde617491c5
        • MD5 SHA1 SHA512 SSDEEP

        services.exe

        • Path C:\Users\Admin\AppData\Local\services.exe
        • Size 91KB
        • SHA256 ed9b1e6a02326d33854977fe55757f0e6b0540347d5cb7d718925d2e4a5e2587
        • MD5 SHA1 SHA512 SSDEEP

        xk.exe

        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 aa61181c3f03b1241d1008cfedf628892b6c06627d6ccefcd525e11d6590a345
        • MD5 SHA1 SHA512 SSDEEP

        CSRSS.EXE

        • Path \Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
        • Size 91KB
        • SHA256 1e36d9b62cdef58249e90d5ec3e2cc0b7832990f4e25dd1caac5c1c3831039a7
        • MD5 SHA1 SHA512 SSDEEP

        LSASS.EXE

        • Path \Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
        • Size 91KB
        • SHA256 873867b552ac64e702cfed2b542a276d951a4f01fd96ed2e5e3e94a93b4be7a7
        • MD5 SHA1 SHA512 SSDEEP

        SERVICES.EXE

        • Path \Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 bae284b925756ec941548b42ec8438c32f488cee50d60d08e8e4d166a147c337
        • MD5 SHA1 SHA512 SSDEEP

        WINLOGON.EXE

        • Path \Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
        • Size 91KB
        • SHA256 318488a56e7e76ea38e96c18e11f11547166cbd60d0a4ad8519da7cd298a26c7
        • MD5 SHA1 SHA512 SSDEEP

        IExplorer.exe

        • Path \Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 687b5c662d4ac526e646ff0012e7faed568408bcb2baa3189cadc5b55151149b
        • MD5 SHA1 SHA512 SSDEEP

        memory/1152-129-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/1188-152-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2260-175-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2496-186-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2704-163-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2704-159-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2844-138-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2844-135-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2864-146-0x0000000001DB0000-0x0000000001DDE000-memory.dmp

        memory/2864-0-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2864-158-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/2864-117-0x0000000001DB0000-0x0000000001DDE000-memory.dmp

        memory/2864-109-0x0000000001DB0000-0x0000000001DDE000-memory.dmp

        memory/2864-182-0x0000000001DB0000-0x0000000001DDE000-memory.dmp

        memory/2864-181-0x0000000001DB0000-0x0000000001DDE000-memory.dmp

        memory/2864-110-0x0000000001DB0000-0x0000000001DDE000-memory.dmp

        memory/2864-188-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3000-116-0x0000000000400000-0x000000000042E000-memory.dmp

        memory/3000-111-0x0000000000400000-0x000000000042E000-memory.dmp