Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 23:01

General

  • Target

    8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe

  • Size

    397KB

  • MD5

    8c2ab7d7bd20f8a8b92dbe5779ac4320

  • SHA1

    65c75835b540175d33ab67583f98626711de74e5

  • SHA256

    79d309dcae873685245924766520ef95497e9f4054d9a6540bb0acec36c993ca

  • SHA512

    4a35b2dedb9d391d9cac9952c3526abec496b8215040237bc10f745e769159b44512a7c1d72d07e2b944e97d48247003fc83f22ae2c398fa34662c87f3075195

  • SSDEEP

    12288:vdDU6g13sJd1fm/+yb3O2jg82ydU/DdKumy:vdE3sJd1fm/+yb3OYg84/JHJ

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hzlvi.exe "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:372
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2140
      • C:\Users\Admin\AppData\Local\Temp\hzlvi.exe
        C:\Users\Admin\AppData\Local\Temp\\hzlvi.exe "C:\Users\Admin\AppData\Local\Temp\8c2ab7d7bd20f8a8b92dbe5779ac4320_NEIKI.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2296
        • \??\c:\Program Files\wsnzdf\onhs.exe
          "c:\Program Files\wsnzdf\onhs.exe" "c:\Program Files\wsnzdf\onhsz.dll",Viewer C:\Users\Admin\AppData\Local\Temp\hzlvi.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3056
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3852,i,1067197275908310731,12785105794523264014,262144 --variations-seed-version --mojo-platform-channel-handle=4236 /prefetch:8
    1⤵
      PID:3712

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\wsnzdf\onhs.exe

            Filesize

            60KB

            MD5

            889b99c52a60dd49227c5e485a016679

            SHA1

            8fa889e456aa646a4d0a4349977430ce5fa5e2d7

            SHA256

            6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

            SHA512

            08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

          • C:\Users\Admin\AppData\Local\Temp\hzlvi.exe

            Filesize

            397KB

            MD5

            2a3ed2e57e92de0f36159c6ebb68d9cc

            SHA1

            77e423cfdb6be3f03636fb2c75b3abec9e51e2b5

            SHA256

            a91d4717bc7c5ea378352c7eb2d0544759454102e5f8b0909000738ab2b4c53b

            SHA512

            2f838291de1cc83b435d3ed3f956e0852a913652ec3378e328f29ab8c474dc5a6ceb5d5d1850e2c4f909fb397bab9e65936b0547c842ceff48e53faae40a0911

          • \??\c:\Program Files\wsnzdf\onhsz.dll

            Filesize

            89KB

            MD5

            683787a6e2871504f342dd6231b8337e

            SHA1

            d66240e1e4af115132463d5e9d3b4fb344d2807f

            SHA256

            2e892f22283ee9d4c11e99d020936a03d4d3519294a1e603a817ee9b401c7355

            SHA512

            c5dbea0a2874aaac7f5de774e992b8e1e5edf67e694723ac85cf2995ba68a6a9906ac7a3f43755d24becb4237ad6727ba29b10d3592fafe35bad25223e1f8a4b

          • memory/3056-11-0x0000000010000000-0x0000000010033000-memory.dmp

            Filesize

            204KB

          • memory/3056-12-0x0000000010000000-0x0000000010033000-memory.dmp

            Filesize

            204KB

          • memory/3056-14-0x0000000010000000-0x0000000010033000-memory.dmp

            Filesize

            204KB

          • memory/3056-16-0x0000000010000000-0x0000000010033000-memory.dmp

            Filesize

            204KB