Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 23:30

General

  • Target

    99bf42f71dc8b37f2f7be08f2fd768b6451eb84489dbd2ded180aec1e1432d72.exe

  • Size

    330KB

  • MD5

    436a70992ea1d3e8602787d0d8134e6d

  • SHA1

    c4ff90d2c90133d519501642f413cb6d7c0cdaed

  • SHA256

    99bf42f71dc8b37f2f7be08f2fd768b6451eb84489dbd2ded180aec1e1432d72

  • SHA512

    dd3de96c9bd712ed54fb0373262e7dfd3077dc9e5d5db6fe7a60d3637aa6b5bbf1964eb9f63a36102ec2e8eac51c8d4aac6eba4f2b1106a42bcca5a4b616c43d

  • SSDEEP

    6144:iS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUSI7DvhF/HVTG8obdBT0Fl7VA6YlS:sE6y66e3N272PYXZSizn9odN077fd

Malware Config

Signatures

  • 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\99bf42f71dc8b37f2f7be08f2fd768b6451eb84489dbd2ded180aec1e1432d72.exe
    "C:\Users\Admin\AppData\Local\Temp\99bf42f71dc8b37f2f7be08f2fd768b6451eb84489dbd2ded180aec1e1432d72.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:3384

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3384-0-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3384-11-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/3384-17-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB