Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 05:43

General

  • Target

    57ccebd94e62b7cd2efcfefceaa28669.exe

  • Size

    329KB

  • MD5

    57ccebd94e62b7cd2efcfefceaa28669

  • SHA1

    e6bafc153f3671ca1175914f8f71b5f46e294b6d

  • SHA256

    49cd243beb673a8c266a7fd280bf3b0c5b4f9ddccbe4227edb1216a26a49d19a

  • SHA512

    f23409d179637834004d06dae5edc984f0e1daa4d7f0a3bab3a61f3200c090f3bb2af46e50c3d76e80522ff649f0d15791d53f317a87806b619759ce891f7580

  • SSDEEP

    6144:AS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUKzjlfFr2JESMP4JhyYMT+a:KE6y66e3N272PYXZKnltiJMgJc+a

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\57ccebd94e62b7cd2efcfefceaa28669.exe
    "C:\Users\Admin\AppData\Local\Temp\57ccebd94e62b7cd2efcfefceaa28669.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1916-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1916-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1916-16-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/1916-17-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB