Analysis

  • max time kernel
    138s
  • max time network
    145s
  • 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, 02:41

General

  • Target

    4d5c5673ab3a1a78c44d4f11cb6859fa.exe

  • Size

    339KB

  • MD5

    4d5c5673ab3a1a78c44d4f11cb6859fa

  • SHA1

    3fc35c7ff7b0f009abcaaf9b7ea12de7068e6537

  • SHA256

    0bc3ebf95ea74e4cf1dec1f4c5222cdfff221987c7cdb57a9d7312516284fc03

  • SHA512

    089bd044597b5c9434f0bcc56b62750842ea05cc1fc8da0f9033ed066b08a5eb372851769552225186aa14a50191f6236716a237a8ed3c44257f4d4086eefdbe

  • SSDEEP

    6144:pxA5wVdCy6wrbDY0rDqTWC4zEDzKuTrSbxc97cKSckGpKFWxuL021hGflY3nwNTO:Pjyy64VrDqTWIzW+9YKpkmKFWyGfswZO

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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d5c5673ab3a1a78c44d4f11cb6859fa.exe
    "C:\Users\Admin\AppData\Local\Temp\4d5c5673ab3a1a78c44d4f11cb6859fa.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:3660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3660-0-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/3660-6-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/3660-7-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB