Analysis

  • max time kernel
    151s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 14:38

General

  • Target

    3a134b7f49bd565f72816236112ec97e.exe

  • Size

    241KB

  • MD5

    3a134b7f49bd565f72816236112ec97e

  • SHA1

    562b3f8a601878a9c5da4fd33d0aa42e76094d69

  • SHA256

    26ef3790b394d9d6e19283d3bb9655a84f0e308eafe0b26f93b21db2990a6fad

  • SHA512

    2a062cae3e0fbd66d144fbd50ce056ffde8f259003ba12e68c20dc9fdef01794161ee88ba90e47bedfadb8066e8c28fa5e61b595f8dfe3f504e7fafca8f98d84

  • SSDEEP

    6144:qkeENDvTSn2SV/GuhYdViC7X57+nMhMJ3Pnyj/q:qNEND/k/GLPX57+nJIj/q

Malware Config

Signatures

  • UPX packed file 5 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\3a134b7f49bd565f72816236112ec97e.exe
    "C:\Users\Admin\AppData\Local\Temp\3a134b7f49bd565f72816236112ec97e.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4728

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4728-0-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4728-11-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4728-12-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4728-13-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB

        • memory/4728-19-0x0000000000400000-0x000000000048A000-memory.dmp

          Filesize

          552KB