Analysis

  • max time kernel
    149s
  • 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, 13:21

General

  • Target

    71f039c13965f9330c42218371047aed.exe

  • Size

    206KB

  • MD5

    71f039c13965f9330c42218371047aed

  • SHA1

    b867b061e53a5032bfe72895d1da57ef252996cf

  • SHA256

    6b20b8b77d081b3d7097127763f9de1e130c8dc2a828fe8a4d18915d6e2f1ead

  • SHA512

    fd1c0671c7412b3d2ed973fe4ca5a7a78ba1441b56c44940447e04b45d0c589fb7c833c0eec629d2a0e98387e20b9953193849308c26305f6a42a48783a5ed7e

  • SSDEEP

    6144:gG4g1Ukihf8Ype/oD+oXi2zxM7dQST+vUum:54ggVe/oSuzxM7dQST+Ml

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\71f039c13965f9330c42218371047aed.exe
    "C:\Users\Admin\AppData\Local\Temp\71f039c13965f9330c42218371047aed.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4128

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4128-0-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4128-11-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4128-14-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4128-15-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/4128-17-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB