Analysis

  • max time kernel
    92s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 19:14

General

  • Target

    Debug/api-ms-win-crt-filesystem-l1-1-0.dll

  • Size

    19KB

  • MD5

    228c6bbe1bce84315e4927392a3baee5

  • SHA1

    ba274aa567ad1ec663a2f9284af2e3cb232698fb

  • SHA256

    ac0cec8644340125507dd0bc9a90b1853a2d194eb60a049237fb5e752d349065

  • SHA512

    37a60cce69e81f68ef62c58bba8f2843e99e8ba1b87df9a5b561d358309e672ae5e3434a10a3dde01ae624d1638da226d42c64316f72f3d63b08015b43c56cab

  • SSDEEP

    384:Cq6nWm5CZW1hW9YBm0GftpBjVem3SuPvlg+0Pd:T6nWm5CIhViDeKPmd

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\Debug\api-ms-win-crt-filesystem-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Debug\api-ms-win-crt-filesystem-l1-1-0.dll,#1
      2⤵
        PID:2252
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 600
          3⤵
          • Program crash
          PID:2648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2252 -ip 2252
      1⤵
        PID:2316

      Network

      MITRE ATT&CK Matrix

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