Analysis

  • max time kernel
    141s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2024, 22:10

General

  • Target

    aa48665852a6b07b26a81cfcf7828ef9.exe

  • Size

    327KB

  • MD5

    aa48665852a6b07b26a81cfcf7828ef9

  • SHA1

    46b885befedc2d068efb2f56858d29a7886b72df

  • SHA256

    56c837a2a8b799de7040241ba600ea1f1cbd693a24811592ceadf32a7b81680b

  • SHA512

    4ff2c01b319eb4e1e8a3f3b70f89f05b8c53fb7eedefa4f196859b9ab748173d48d74e9e686d0417d250fa55be7aaaccbda3f48f7cdcc0edf4a1a205021ee2bb

  • SSDEEP

    6144:IeXA47CURW+eirtnIwE0XzBTjrBLt4smgZ99/ykYO5WhgDGi8aVGLZkiq1g:IeXv7tRWwnIKBTjx6smgRhYcjDGi8tk2

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\aa48665852a6b07b26a81cfcf7828ef9.exe
    "C:\Users\Admin\AppData\Local\Temp\aa48665852a6b07b26a81cfcf7828ef9.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4048

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4048-0-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4048-11-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4048-16-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/4048-17-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB