Analysis

  • max time kernel
    130s
  • max time network
    258s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 23:01

General

  • Target

    api-ms-win-crt-heap-l1-1-0.dll

  • Size

    12KB

  • MD5

    a51cfb8cf618571215eeba7095733b25

  • SHA1

    db4215890757c7c105a8001b41ae19ce1a5d3558

  • SHA256

    6501894e68a3871962731282a2e70614023ec3f63f600f933ec1785400716ce1

  • SHA512

    9ae11ab21486dea1aba607a4262f62678c5b0e9f62b6a63c76cfdc7698d872d8696ffb1aaae7aa2e2cf02c1c7eaa53d0ce503432960f4be6886fae0de2659535

  • SSDEEP

    192:8Y17aFBRkWOhWXLT71ojDBQABJz5qqnajxcRGlPHisg:9RWOhWXYDBRJ9qll7PHip

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\api-ms-win-crt-heap-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-crt-heap-l1-1-0.dll,#1
      2⤵
        PID:3932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3932 -s 600
          3⤵
          • Program crash
          PID:4344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3932 -ip 3932
      1⤵
        PID:4800

      Network

      MITRE ATT&CK Matrix

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