Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2024, 08:51

General

  • Target

    5ad0d2bbbf8af4d39c03ecee0eb3572b.exe

  • Size

    228KB

  • MD5

    5ad0d2bbbf8af4d39c03ecee0eb3572b

  • SHA1

    d4d08194ac46d819149eebd5bd2c4dadf5dc0951

  • SHA256

    45447b235f22602853d710d75deba968b9a9e60f565313a742a2ac89bab4d91b

  • SHA512

    1c6374fb45a4f6f9f6092a59e16e5deb0cbbe9fec0a75f2952e14429ff1d54d7274958ef4ccf974408814c9f3d6290d82a8a82eced9a3d2e37b0d5e21b7f4f25

  • SSDEEP

    6144:DmwO3PFKs7aFwKWwalhrEqxF6snji81RUinKZHg/7SE:Dmw8PhAmZIH+7x

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 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 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ad0d2bbbf8af4d39c03ecee0eb3572b.exe
    "C:\Users\Admin\AppData\Local\Temp\5ad0d2bbbf8af4d39c03ecee0eb3572b.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4944
    • C:\Users\Admin\biafeoj.exe
      "C:\Users\Admin\biafeoj.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4620

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\biafeoj.exe

          Filesize

          228KB

          MD5

          b2e72f5075805767250e9c0099d463b8

          SHA1

          c65c829a3a98056682b668d2fc2b85ff955cc068

          SHA256

          03dc74ec60585a39a1f02db5e07920732458643a92f412491d0dc1523de4776e

          SHA512

          8bf3af72c0ef054e6bc1dff14c120fc1975b053bd486fa3e024db34dfb818739cf2878e2a41119639c1638de90af11f100c7857b71a3376c408eb848e812e72d