Analysis

  • max time kernel
    150s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    09-06-2022 14:12

General

  • Target

    7zS8A52FD1B/libstdc++-6.dll

  • Size

    647KB

  • MD5

    5e279950775baae5fea04d2cc4526bcc

  • SHA1

    8aef1e10031c3629512c43dd8b0b5d9060878453

  • SHA256

    97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

  • SHA512

    666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

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\7zS8A52FD1B\libstdc++-6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7zS8A52FD1B\libstdc++-6.dll,#1
      2⤵
        PID:4992
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 632
          3⤵
          • Program crash
          PID:2532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4992 -ip 4992
      1⤵
        PID:5088

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/4992-130-0x0000000000000000-mapping.dmp
      • memory/4992-132-0x000000006FE40000-0x000000006FFC6000-memory.dmp
        Filesize

        1.5MB

      • memory/4992-133-0x000000006FE40000-0x000000006FFC6000-memory.dmp
        Filesize

        1.5MB

      • memory/4992-134-0x000000006FE40000-0x000000006FFC6000-memory.dmp
        Filesize

        1.5MB

      • memory/4992-131-0x000000006FE40000-0x000000006FFC6000-memory.dmp
        Filesize

        1.5MB

      • memory/4992-135-0x000000006FE40000-0x000000006FFC6000-memory.dmp
        Filesize

        1.5MB

      • memory/4992-136-0x0000000064940000-0x0000000064959000-memory.dmp
        Filesize

        100KB