Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 14:30

General

  • Target

    75ba82b0678195c2722ed0ba2e71d40e.exe

  • Size

    329KB

  • MD5

    75ba82b0678195c2722ed0ba2e71d40e

  • SHA1

    0792259cfc8528cdcc63a20eb04067e3ef5e1017

  • SHA256

    3fc44d4773260fc8ec953d1d2fde88c62d7c3e6fc03b467f49b110d95d4daf18

  • SHA512

    93ed7759839b8c63f5042a01036f11a833354a671c8fa846d25ed38df79b2ac5ec424d3e1e2c18e2b3c027276ea2ff11ebd066532a17528c5b7838fa593f1a9d

  • SSDEEP

    6144:9S+QH6yN8wfRe3q+2ZYbO2PY/eQanlrU/njqX3PJBIk6f0o8iEDIOCQ:RE6y66e3N272PYXZfjqL76f0o8i0Hd

Malware Config

Signatures

  • UPX packed file 4 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\75ba82b0678195c2722ed0ba2e71d40e.exe
    "C:\Users\Admin\AppData\Local\Temp\75ba82b0678195c2722ed0ba2e71d40e.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2376

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2376-0-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2376-11-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2376-12-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2376-17-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB