Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 09:23

General

  • Target

    8bf98f882432a2dbe27b89b296a2b7ff.exe

  • Size

    222KB

  • MD5

    8bf98f882432a2dbe27b89b296a2b7ff

  • SHA1

    4e4e4337ed1ce2bb39c735bc6c335dd12821e923

  • SHA256

    56d7a9177be2f833d1a447d3dec5c6dd43e45d8cfa2d0296ee8445309ae783a8

  • SHA512

    5d9c4e91fb6ab30156fbf599668137c2f200421f37b3f37e579267e5c61f3ebd74c0786a47c63a50ee8ce1f5458a6d2dab929abd3744a046db38d05b0159dff7

  • SSDEEP

    6144:gqR1kANqkAj/Etd8v9ZtI+9uzPLvi+2Y+JUZzI9uG:NvdNkjYPL6Q+YWuG

Malware Config

Signatures

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 21 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 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bf98f882432a2dbe27b89b296a2b7ff.exe
    "C:\Users\Admin\AppData\Local\Temp\8bf98f882432a2dbe27b89b296a2b7ff.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2604

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2604-0-0x0000000000820000-0x00000000008AC000-memory.dmp

          Filesize

          560KB

        • memory/2604-1-0x0000000000820000-0x00000000008AC000-memory.dmp

          Filesize

          560KB

        • memory/2604-12-0x0000000000820000-0x00000000008AC000-memory.dmp

          Filesize

          560KB

        • memory/2604-13-0x0000000000820000-0x00000000008AC000-memory.dmp

          Filesize

          560KB

        • memory/2604-17-0x0000000000820000-0x00000000008AC000-memory.dmp

          Filesize

          560KB

        • memory/2604-20-0x0000000000820000-0x00000000008AC000-memory.dmp

          Filesize

          560KB