Analysis

  • max time kernel
    147s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 22:51

General

  • Target

    4be2f9bbaa57368b43ce9424bc3e7fd0_NeikiAnalytics.exe

  • Size

    256KB

  • MD5

    4be2f9bbaa57368b43ce9424bc3e7fd0

  • SHA1

    1bf9a4748328cc5aa2a43efbe7d8c21047b9954c

  • SHA256

    65a947038ce1565127fa77b13bfc9a21d55e3a6226af2e352693d79bc4fc34c9

  • SHA512

    b83cc3e8a9ec6e3a32abc2adcf9ce965691eade4ab7233cceb7e4ecac45ed6d23d48835e998a0448bbdec5c2b088e9f27ab765336f0c6579972128906aed0ae8

  • SSDEEP

    6144:lf4/sJYWd+ZO+oTcboiSLhCGnFo7ksYKFn3DqFn9Wp:lf4QlqMT0oignsd3rp

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4be2f9bbaa57368b43ce9424bc3e7fd0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\4be2f9bbaa57368b43ce9424bc3e7fd0_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\hyybb.exe "C:\Users\Admin\AppData\Local\Temp\4be2f9bbaa57368b43ce9424bc3e7fd0_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:1780
      • C:\Users\Admin\AppData\Local\Temp\hyybb.exe
        C:\Users\Admin\AppData\Local\Temp\\hyybb.exe "C:\Users\Admin\AppData\Local\Temp\4be2f9bbaa57368b43ce9424bc3e7fd0_NeikiAnalytics.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2604
        • \??\c:\Program Files\ktrsr\ybwry.exe
          "c:\Program Files\ktrsr\ybwry.exe" "c:\Program Files\ktrsr\ybwry.dll",inflate C:\Users\Admin\AppData\Local\Temp\hyybb.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:2688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\ktrsr\ybwry.dll

    Filesize

    184KB

    MD5

    02329f312ecd0f35b6e1601d8d9908e7

    SHA1

    7b9b771c8b747c05c56d1087d578aa5f9293d340

    SHA256

    c8811ea2f951becf89ffcaecafeda03f87367e0d14234bc7b98bf19b45102e82

    SHA512

    93cd1ab96f507987a9fe00b23479d2b753e2adf60047b83135fde46b2dd6627082c93a4c56f2b18ac6112b31831af7489dbbced2c53ce3d826f559e1f1709ee0

  • \Program Files\ktrsr\ybwry.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • \Users\Admin\AppData\Local\Temp\hyybb.exe

    Filesize

    256KB

    MD5

    3df179c4aa3d729e55c8bf7d98bb7585

    SHA1

    71c60d0f9b1cac99ce06cf3e0121261ef55b5d16

    SHA256

    4e134dad8e6297d15e6eafb2968504888d0eb51ce6bfc21a9ec931f35f0eecbf

    SHA512

    f0c1c2c1bfc1aa2f9e60e308ea25580fffe29abc4295e214a77159146dd00945302617d47a510344f21ccae053b74f0dcf38dfa6c4afeeb740c8b53f5330aaa9

  • memory/308-8-0x0000000000210000-0x00000000002A3000-memory.dmp

    Filesize

    588KB

  • memory/308-7-0x0000000000210000-0x00000000002A3000-memory.dmp

    Filesize

    588KB

  • memory/2320-2-0x0000000000400000-0x00000000004923AF-memory.dmp

    Filesize

    584KB

  • memory/2320-0-0x0000000000400000-0x00000000004923AF-memory.dmp

    Filesize

    584KB

  • memory/2604-9-0x0000000000400000-0x00000000004923AF-memory.dmp

    Filesize

    584KB

  • memory/2604-16-0x0000000000400000-0x00000000004923AF-memory.dmp

    Filesize

    584KB

  • memory/2688-23-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB

  • memory/2688-24-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB

  • memory/2688-25-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB

  • memory/2688-28-0x0000000010000000-0x0000000010074000-memory.dmp

    Filesize

    464KB