Analysis

  • max time kernel
    152s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 01:51

General

  • Target

    MediaCoder/codecs/drv43260.dll

  • Size

    212KB

  • MD5

    711dbc8f0a5d89a2c946c33f2d717c75

  • SHA1

    3a6f86ebdc030275300fb822ada7d46f8b7f50fc

  • SHA256

    74a4f8dbc4c9b7202b4e9f65d7988b7e64534c538a5783352ce0c3c7bba54cca

  • SHA512

    d4841e57c078104f7d1393bd7813775e14a33ed0dfd95fde34ba321e24190a1d0e028cee7d4cea87b46fa330b1bf3f27200cd4424dfac78e0181e8c6a613f495

  • SSDEEP

    3072:9K9Nf2DMe6qwnqZvOFGG8uRjmx1L/jF8ybsejQlnblsMljB2z3dFO:qNfBe6quil2Ase4bljEz/O

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\MediaCoder\codecs\drv43260.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MediaCoder\codecs\drv43260.dll,#1
      2⤵
        PID:3336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 620
          3⤵
          • Program crash
          PID:1592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3336 -ip 3336
      1⤵
        PID:1232

      Network

      MITRE ATT&CK Matrix

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      Downloads