Analysis

  • max time kernel
    144s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 23:25

General

  • Target

    UACModuleSmokeLoader.exe

  • Size

    932KB

  • MD5

    06a85389dd3f92a42ae852614b36ee95

  • SHA1

    177df421df6eaf77ce2d6363006bc3e05bf56d5f

  • SHA256

    47ff78372aeb7ca7e16561fce7b86705bbf8f794e68ef32adc5437e40da30a6c

  • SHA512

    da0fe0b5cdcc850947704b7b374eaf410ce6c65b806b258a3e66a8e3fff4fa1e8dcae18dc6ac5fae8fd545afac213c352b6dcef3b6f9ce48b993f5204ccd953e

  • SSDEEP

    12288:MOQNMIt3+hioijxOcaGW/v7EaEfvnJUC2+6zI4cHkYaG6U5SqFS4609bCFrZd:LWMIMhiop+4w/fvT2dMINbU5zFQmUz

Score
6/10

Malware Config

Signatures

  • 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.

  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\UACModuleSmokeLoader.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    PID:5352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5352 -s 668
      2⤵
      • Program crash
      PID:4224
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5352 -ip 5352
    1⤵
      PID:5708

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/5352-0-0x0000000002280000-0x0000000002281000-memory.dmp

            Filesize

            4KB

          • memory/5352-2-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB

          • memory/5352-3-0x0000000000400000-0x00000000004EE000-memory.dmp

            Filesize

            952KB

          • memory/5352-1-0x0000000002960000-0x00000000029E0000-memory.dmp

            Filesize

            512KB

          • memory/5352-4-0x0000000000400000-0x00000000004EE000-memory.dmp

            Filesize

            952KB

          • memory/5352-7-0x0000000000400000-0x000000000046F000-memory.dmp

            Filesize

            444KB