Analysis

  • max time kernel
    119s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 06:08

General

  • Target

    9ddfd510f8f4b218212b43813b3bb9437abc655cc8c33a50cd30ae6ee5629d93N.exe

  • Size

    168KB

  • MD5

    ad76cbce7a0e6abe51e17cd084177030

  • SHA1

    d8740461c3894758413c15ccfb67c217ab3b2d3a

  • SHA256

    9ddfd510f8f4b218212b43813b3bb9437abc655cc8c33a50cd30ae6ee5629d93

  • SHA512

    b05c4c69c8ef0e6e7750429366fb029ad8ffa5b44105e261f8ea2cb917b884f46956446e9ae69f6a9b12b0941c0263c5e92674a5d0bb4ce1b21467f3eb1afd30

  • SSDEEP

    768:w7MRzhznsEnBJNVVutayVpSQKjdbyo/SkL6fYYhXJwYMIifzEhELL6IM2Lz6:w7MBB7nFVDyxo/SkL6fxWFd0EvpMw

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 50 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ddfd510f8f4b218212b43813b3bb9437abc655cc8c33a50cd30ae6ee5629d93N.exe
    "C:\Users\Admin\AppData\Local\Temp\9ddfd510f8f4b218212b43813b3bb9437abc655cc8c33a50cd30ae6ee5629d93N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Users\Admin\jiuiqi.exe
      "C:\Users\Admin\jiuiqi.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4936

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\jiuiqi.exe

          Filesize

          168KB

          MD5

          8b38c72a699509f2b65c1f3390ef4bc5

          SHA1

          804306d0c9b87a91465171ab48c7d40fd2d2a191

          SHA256

          76e2f5c02211833b37a5a3acee8bffbf42a755c58c910c223e426023e177d993

          SHA512

          61007e7fc9c31c0967ef8ad8c070cbcc582f818dc3c418fe1f94c6931d050c20649e3c7834e31f65c9f8412da1cada0c7d471f1d65bf6363e688037c282a4d49