Analysis

  • max time kernel
    0s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2024 17:38

General

  • Target

    440922acda17b8bbce7967e736395a93.exe

  • Size

    341KB

  • MD5

    440922acda17b8bbce7967e736395a93

  • SHA1

    642aedab085208537d6b05005ada5d164247fa5e

  • SHA256

    3233f6de1f7ce3fe3216a7e6fb2e7607b44385ee44c569658dc145bd1c81c470

  • SHA512

    b5c7cf57d3babeb7ea656074af1c440bc87e95e36863b3c5b6ca3c42828629c135b4e8cbd84a0648e86c15fb630b6e336615708f999f8b955ccff18b1302a0ae

  • SSDEEP

    6144:rfZ/nwzIhoZib9i0ju9BKVoEZUWteUdiWxrk+USzZlcjMNlEBH:rfpPOZiBiq3zxteYxrhzuMNCBH

Malware Config

Signatures

  • UPX packed file 2 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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\440922acda17b8bbce7967e736395a93.exe
    "C:\Users\Admin\AppData\Local\Temp\440922acda17b8bbce7967e736395a93.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2904-0-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/2904-6-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB