Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 16:39

General

  • Target

    8fa5134a7837ed1d2767f6665e19f9e1.dll

  • Size

    86KB

  • MD5

    8fa5134a7837ed1d2767f6665e19f9e1

  • SHA1

    516ec666dc8a0160d3b8480ac0627e8b7224ba7b

  • SHA256

    bc82fd35557df4c8d74d47305fd5de001036faed62ca6a0931d872755666913e

  • SHA512

    5137b20dcc5ab6189ae981a1f8b934740cf07ef34aaf1d5a9422db1e80610056a6c05b2b432ba783d008cb4497d0816791943286c82ee1ae8df70ba7389558b8

  • SSDEEP

    1536:9Yvynn+A2V0RLJ9PgT0cbIdVmxTNgCa78SBN53dS8pYpbCR:mv4+ALRebIu4CaDL5NSrpi

Score
7/10

Malware Config

Signatures

  • UPX packed file 1 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8fa5134a7837ed1d2767f6665e19f9e1.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\8fa5134a7837ed1d2767f6665e19f9e1.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:3508

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3508-0-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB