Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-04-2024 01:17

General

  • Target

    FileHash.dll

  • Size

    534KB

  • MD5

    20fdf47b66ed0d6763df0eca36b0cf70

  • SHA1

    53a3109c2baea26c9a6e02a8baf48f3f70b9edae

  • SHA256

    fd7019bee1948aafbbec530f8eb9b9ac1dff66acc71f1396a39855c8443c02e8

  • SHA512

    6e6f6dbfe45682fd692fda070b5c993dc5ac5475edce5bc8391906466be1f83c0fc1e9b1d70697960ca341471a26c60c7e349dd7482bd2bbd6bebc7ce21adb19

  • SSDEEP

    6144:A4R6UEBp1J2ha3tCvW/DCqkO7VBeDofjATQIzGISauEe+19yOmduJJj:A4RsBiadAkCqD7VBezdGISaRe+19yJde

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\FileHash.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\FileHash.dll,#1
      2⤵
        PID:2536
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 616
          3⤵
          • Program crash
          PID:3760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2536 -ip 2536
      1⤵
        PID:4680

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2536-0-0x0000000074B80000-0x0000000074C3B000-memory.dmp
        Filesize

        748KB

      • memory/2536-1-0x0000000074B80000-0x0000000074C3B000-memory.dmp
        Filesize

        748KB