Analysis

  • max time kernel
    136s
  • max time network
    105s
  • 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, 04:37

General

  • Target
    9bccf2661d8cba99d3b07dfdbce1bcd0_NeikiAnalytics.exe
  • Size 91KB
  • Sample240603-e8zp2sbf5w
  • SHA256 cd0e51ba7193321712a8052927061bc54d88be46e0fb94b10c29f4d4f61f214e
  • 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 14 IoCs
  • Modifies system executable filetype association 2 TTPs 13 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops desktop.ini file(s) 4 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 15 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bccf2661d8cba99d3b07dfdbce1bcd0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\9bccf2661d8cba99d3b07dfdbce1bcd0_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 desktop.ini file(s)
    • Enumerates connected drives
    • 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:4172
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4820
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1276
    • 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:4412
    • 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:2620
    • 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:4544
    • 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:4508
    • 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:224
    • C:\Windows\xk.exe
      C:\Windows\xk.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:1012
    • C:\Windows\SysWOW64\IExplorer.exe
      C:\Windows\system32\IExplorer.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:2384
    • 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:936
    • 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:3192
    • 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:3108
    • 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:4952

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 fbf3d88624fe3153681bd85582f8161282afcf7754297e49b18bdcda3ddedf0e
        • MD5 SHA1 SHA512 SSDEEP

        CSRSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\CSRSS.EXE
        • Size 91KB
        • SHA256 b246eb0013df737c5a71cfea0dff9873fa4c5bac1f8bc86a0b3351bc3e19e856
        • MD5 SHA1 SHA512 SSDEEP

        LSASS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
        • Size 91KB
        • SHA256 7c8fcae8d9671d4d62aa350725cc0de86df7bb83629a8da25dfe34b7a0887780
        • MD5 SHA1 SHA512 SSDEEP

        LSASS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\LSASS.EXE
        • Size 91KB
        • SHA256 9a9e4f26bf94028ea730e87bd1b20b2bc013f516ccbe90691485e7dd7c82bc11
        • MD5 SHA1 SHA512 SSDEEP

        SERVICES.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 11779cdf706137e1beeb4c440b6eb3bf029776474c04f7f9b844a94f7f0ef05d
        • MD5 SHA1 SHA512 SSDEEP

        SMSS.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\SMSS.EXE
        • Size 91KB
        • SHA256 ccb073add20c4ecfb97cb21aca90ccdb9b4e7df1eabaa50f8c66678acced81ee
        • MD5 SHA1 SHA512 SSDEEP

        WINLOGON.EXE

        • Path C:\Users\Admin\AppData\Local\WINDOWS\WINLOGON.EXE
        • Size 91KB
        • SHA256 aaef240600b0f5191a2f36315b5e352c06e413fb838a8024cb69dec5643e69c9
        • MD5 SHA1 SHA512 SSDEEP

        winlogon.exe

        • Path C:\Users\Admin\AppData\Local\winlogon.exe
        • Size 91KB
        • SHA256 cd0e51ba7193321712a8052927061bc54d88be46e0fb94b10c29f4d4f61f214e
        • MD5 SHA1 SHA512 SSDEEP

        SERVICES.EXE

        • Path C:\Users\Admin\Local Settings\Application Data\WINDOWS\SERVICES.EXE
        • Size 91KB
        • SHA256 c3c611150f23f4e0a0f770c7ae67dbd7ffd58e55c7a5998f8a210c257f3f42b1
        • MD5 SHA1 SHA512 SSDEEP

        SMSS.EXE

        • Path C:\Users\Admin\Local Settings\Application Data\WINDOWS\SMSS.EXE
        • Size 91KB
        • SHA256 7ee8f1eb87f8c08724fbd6a727dec38037e38ef4d8efd70e7665211a936d3b0a
        • MD5 SHA1 SHA512 SSDEEP

        WINLOGON.EXE

        • Path C:\Users\Admin\Local Settings\Application Data\WINDOWS\WINLOGON.EXE
        • Size 91KB
        • SHA256 9126a7c0d7b2eb3f186b598d816b6be07278b4b45b01eba0bb218f2084861d99
        • MD5 SHA1 SHA512 SSDEEP

        IExplorer.exe

        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 0464b8bbeadd5f523f3d0d7d5538f5e4b7c325f10729855b1566ff147e4adaec
        • MD5 SHA1 SHA512 SSDEEP

        IExplorer.exe

        • Path C:\Windows\SysWOW64\IExplorer.exe
        • Size 91KB
        • SHA256 9c13f977a5d55444b5ac9210952ef5676c5c6ec497abeb693f389c1b23476f41
        • MD5 SHA1 SHA512 SSDEEP

        xk.exe

        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 ce10a0c3887bc4e22dcbda12c099a16e3767c81665eee211bbe0f2caced5df3a
        • MD5 SHA1 SHA512 SSDEEP

        xk.exe

        • Path C:\Windows\xk.exe
        • Size 91KB
        • SHA256 df62b9f4fd198b94a7a788904a857477f00b72797b85af148249f36973cd5208
        • MD5 SHA1 SHA512 SSDEEP

        memory/224-183-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/224-171-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/936-240-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/936-245-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/1012-224-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/1012-233-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/1276-130-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/1276-123-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/2164-271-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/2164-266-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/2384-239-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/2384-230-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/2620-149-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/2620-142-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/2620-141-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/2620-147-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/3108-263-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/3108-257-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/3108-261-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/3192-254-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/3192-249-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/3192-248-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4172-305-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4172-308-0x0000000000401000-0x0000000000427000-memory.dmp

        memory/4172-3-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4172-307-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4172-6-0x0000000000401000-0x0000000000427000-memory.dmp

        memory/4172-0-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4172-1-0x00000000001C0000-0x00000000001C4000-memory.dmp

        memory/4172-146-0x0000000000401000-0x0000000000427000-memory.dmp

        memory/4172-2-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/4412-137-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4412-132-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/4508-167-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4508-162-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/4544-153-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/4544-158-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4820-111-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4820-115-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4820-113-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/4820-120-0x0000000000400000-0x000000000042C000-memory.dmp

        memory/4952-274-0x0000000075050000-0x00000000751AD000-memory.dmp

        memory/4952-279-0x0000000000400000-0x000000000042C000-memory.dmp