Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/12/2023, 20:40

General

  • Target

    036c6e49f1a3ab7d106eef7daf3a4521.exe

  • Size

    327KB

  • MD5

    036c6e49f1a3ab7d106eef7daf3a4521

  • SHA1

    bd393ed4109d261098be05b8f59a007c5c28914d

  • SHA256

    8f81c4c154884d4e22e19693279c388edd9cd1bebbc5df68e738fd0ba70513a4

  • SHA512

    25dea214f3f567c45e001dc97b24a191bf9e1c4e272f70530bb15a858fefa7e3d49d53c0f6cebe30b20aba30716146a06ed6c491ffc2423ab4a940e5d57ab178

  • SSDEEP

    6144:FeXA47CURW+eirtnIwE0XzBTjrBLt4smgZKLY3Om2Nw0QLyUdKPZDq48bOo:FeXv7tRWwnIKBTjx6smg4LY+yKAVOo

Malware Config

Signatures

  • UPX packed file 3 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\036c6e49f1a3ab7d106eef7daf3a4521.exe
    "C:\Users\Admin\AppData\Local\Temp\036c6e49f1a3ab7d106eef7daf3a4521.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4544

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4544-0-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4544-11-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4544-17-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB