Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    02-06-2024 21:03

General

  • Target

    66b8d3e83563987ae9e6347d3dd19870_NeikiAnalytics.exe

  • Size

    543KB

  • MD5

    66b8d3e83563987ae9e6347d3dd19870

  • SHA1

    576c4b768a007ff35abc4cfc14e6e0587aa309e2

  • SHA256

    2197938df2d2704f6a525c27f100b7054e97d8e36588a224244cf0b652b03b96

  • SHA512

    e2b285ca72bd4aa7cfc38429815c580422991130a7ad3333650e11b136571936a949fa4871640cff295a7bf2cf1192004d55492b77545c148cf702f339c5b32a

  • SSDEEP

    6144:OU+xtlyDU+xtly7U+xtlyiU+xtlyDU+xtly7U+xtlyiU+xtlyDU+xtly7U+xtly3:OBUBMBNBUBMBNBUBMBNBUBMBNB

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 6 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 6 IoCs
  • Disables RegEdit via registry modification 12 IoCs
  • Disables cmd.exe use via registry modification 6 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66b8d3e83563987ae9e6347d3dd19870_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\66b8d3e83563987ae9e6347d3dd19870_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
    • Disables cmd.exe use via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      2⤵
        PID:3032
      • C:\Users\Admin\AppData\Local\smss.exe
        C:\Users\Admin\AppData\Local\smss.exe
        2⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Disables RegEdit via registry modification
        • Disables cmd.exe use via registry modification
        • Drops startup file
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2360
        • C:\Users\Admin\AppData\Local\winlogon.exe
          C:\Users\Admin\AppData\Local\winlogon.exe
          3⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Disables RegEdit via registry modification
          • Disables cmd.exe use via registry modification
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          PID:2420
        • C:\Windows\SysWOW64\at.exe
          at /delete /y
          3⤵
            PID:1368
          • C:\Windows\SysWOW64\at.exe
            at 17:08 /every:M,T,W,Th,F,S,Su "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Brengkolang.com"
            3⤵
              PID:2560
            • C:\Users\Admin\AppData\Local\services.exe
              C:\Users\Admin\AppData\Local\services.exe
              3⤵
              • Modifies WinLogon for persistence
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • Disables RegEdit via registry modification
              • Disables cmd.exe use via registry modification
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in Windows directory
              • Suspicious use of SetWindowsHookEx
              PID:2556
            • C:\Users\Admin\AppData\Local\lsass.exe
              C:\Users\Admin\AppData\Local\lsass.exe
              3⤵
              • Modifies WinLogon for persistence
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • Disables RegEdit via registry modification
              • Disables cmd.exe use via registry modification
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in Windows directory
              • Suspicious use of SetWindowsHookEx
              PID:1524
            • C:\Users\Admin\AppData\Local\inetinfo.exe
              C:\Users\Admin\AppData\Local\inetinfo.exe
              3⤵
              • Modifies WinLogon for persistence
              • Modifies visibility of file extensions in Explorer
              • Modifies visiblity of hidden/system files in Explorer
              • Disables RegEdit via registry modification
              • Disables cmd.exe use via registry modification
              • Drops file in Drivers directory
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in Windows directory
              • Modifies system certificate store
              • Suspicious use of SetWindowsHookEx
              PID:812

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar287.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • C:\Users\Admin\AppData\Local\smss.exe

          Filesize

          543KB

          MD5

          66b8d3e83563987ae9e6347d3dd19870

          SHA1

          576c4b768a007ff35abc4cfc14e6e0587aa309e2

          SHA256

          2197938df2d2704f6a525c27f100b7054e97d8e36588a224244cf0b652b03b96

          SHA512

          e2b285ca72bd4aa7cfc38429815c580422991130a7ad3333650e11b136571936a949fa4871640cff295a7bf2cf1192004d55492b77545c148cf702f339c5b32a