Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/10/2024, 22:36

General

  • Target

    f7f8100fbc4db0c8bea6c7d3595285e428b0b4c4cc6f86e453bf1f78fcce74ceN.exe

  • Size

    499KB

  • MD5

    283910a3328f96e657c925d383934e00

  • SHA1

    4f0eec51c6bce1bd5709870c51d1c5a5ec46cc77

  • SHA256

    f7f8100fbc4db0c8bea6c7d3595285e428b0b4c4cc6f86e453bf1f78fcce74ce

  • SHA512

    69069419f2a38c878edf50673258e0e219f2ad3b929dfc0c86e784f8b4e5f9f4b86abc5e9432681cd623b4f19b3062a55f88dfca891543e668e01266f4d59204

  • SSDEEP

    12288:cJUzLBeJqq8N1BB+pCqbX3xDUsVlUMML+e4meWzd:cG3BePm1BB+pZnKsVlUMML+ewg

Malware Config

Signatures

  • 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.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7f8100fbc4db0c8bea6c7d3595285e428b0b4c4cc6f86e453bf1f78fcce74ceN.exe
    "C:\Users\Admin\AppData\Local\Temp\f7f8100fbc4db0c8bea6c7d3595285e428b0b4c4cc6f86e453bf1f78fcce74ceN.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Windows\SysWOW64\wscript.exe
      wscript.exe /B "\bcbachh.jse" FirstSetup
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4792
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$dmsf.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\$$dmsf.bat

          Filesize

          311B

          MD5

          e5b603d294a75ab442bc5fc2cf2e2d98

          SHA1

          b8485ad74eaf5bfd314a09c9535bf37e5298217e

          SHA256

          5257067e14f8d9a1648ef15118a1d817e828f1e8165b46d1f718a16564841b58

          SHA512

          ce2f13df4e25ccb7de43cca0994b29b2e5cb66bb66c7dce9dfdd2327940ce6b0b74e223a06059f965ddf5f28d5492f0795cbbe5116a140ad49107782af5f34a3

        • memory/1576-0-0x0000000002320000-0x0000000002321000-memory.dmp

          Filesize

          4KB

        • memory/1576-17-0x0000000000400000-0x0000000000483000-memory.dmp

          Filesize

          524KB

        • memory/1576-18-0x0000000002320000-0x0000000002321000-memory.dmp

          Filesize

          4KB