Overview

overview

10

Static

static

7

9bb1f8124f...cs.exe

windows7-x64

10

9bb1f8124f...cs.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    133s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 04:33

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    9bb1f8124fa679b710bd32b1d0633400_NeikiAnalytics.exe
  • Size 91KB
  • Sample240603-e6s5gsbe5s
  • SHA256 362eb487f2b15f41229598b37db6a304a756ace60970cfb3b8f9e58d531b9b48
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
evasionpersistenceupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Disables RegEdit via registry modification 2 IoCs
    evasion
  • Disables use of System Restore points 1 TTPs
    evasion
  • Executes dropped EXE 7 IoCs
  • Modifies system executable filetype association 2 TTPs 13 IoCs
    persistence
  • UPX packed file 18 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 5 IoCs
    persistence
  • Drops file in System32 directory 6 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Control Panel 4 IoCs
    evasion
  • 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
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bb1f8124fa679b710bd32b1d0633400_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\9bb1f8124fa679b710bd32b1d0633400_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:2720
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3736
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3020
    • 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:2628
    • 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:1936
    • 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:1044
    • 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:5096
    • 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:5012

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 6ee9342738c63f2a3ca630c4292b67310d1ab2b07ffe6062ca0273a118a47d17
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        LSASS.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
        • Size 91KB
        • SHA256 c555737ee81d34fa646409bb9a2695c588208ad91d2ba8f9df9157efe4ef9d86
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SERVICES.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 09d4d230a4a627ddf2a16d5cebbf5f3d5779d961ff5f259f8bef8be919fbdd05
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        SMSS.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
        • Size 91KB
        • SHA256 2a5d72a9245217068d86a5315913d9ba571115e4d7d5db7b359c1b17fcf10ff8
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        WINLOGON.EXE
        • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
        • Size 91KB
        • SHA256 4203daf1908bb11816d82e894ba5581435542d584b4390400501b122b7dd1716
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        winlogon.exe
        • Path C:\Users\Admin\AppData\Local\winlogon.exe
        • Size 91KB
        • SHA256 362eb487f2b15f41229598b37db6a304a756ace60970cfb3b8f9e58d531b9b48
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        IExplorer.exe
        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 b58cd62a6567b58a8ba026f249a19dec2ddf1900ae3196026114c22a6aefec08
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        xk.exe
        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 99feb66b31ed927bc43b9acc0b48d1a3f2386080dd2ebe14d0308d918da83812
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1044-139-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1044-135-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/1936-132-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2628-124-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2720-0-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/2720-154-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/3020-117-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/3736-113-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/5012-153-0x0000000000400000-0x000000000042F000-memory.dmp
        Download

        memory/5096-146-0x0000000000400000-0x000000000042F000-memory.dmp
        Download