Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 13:42

General

  • Target

    9bd36781cf28eb5fe71f6cd827142e83.exe

  • Size

    327KB

  • MD5

    9bd36781cf28eb5fe71f6cd827142e83

  • SHA1

    14d0222b505a5bea569665461df6608c14c10379

  • SHA256

    39e9c48f93a3379526d35086b1b38e155aafe1f7eca74cb8433f8bfb8ee53ddb

  • SHA512

    8bc04e6ee9c3046ef6a5ceffe687f22c2f20439d5c9aac9dc7385901fda67635b329d84b250705befa1c36ab8b356960c0662e94811925282f301147ec03f530

  • SSDEEP

    6144:bsDxB60n6x8LGV7xBuXN5mx+BLIEw9/H4D8CJ06MByT5WpcsOzq4h1:b+gedQ+dIT/M8806MBG5WHOeo1

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\9bd36781cf28eb5fe71f6cd827142e83.exe
    "C:\Users\Admin\AppData\Local\Temp\9bd36781cf28eb5fe71f6cd827142e83.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2656

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2656-0-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2656-11-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2656-16-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB

        • memory/2656-17-0x0000000000400000-0x00000000004BC000-memory.dmp

          Filesize

          752KB