Analysis

  • max time kernel
    66s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 15:35

General

  • Target

    bin/nssutil3.dll

  • Size

    108KB

  • MD5

    c19416e9cf9e571068ca14276c6e0620

  • SHA1

    b5e8ee4659b678fb3b234055b1eeda920eb20b30

  • SHA256

    ba9341807b42e90bb0380d51a83d3d6a0de7d57b6820a8b0cbe5e36e978860fa

  • SHA512

    5cde579f66e0677f1419dc11723e1f7b5a7d408b4b3250e26aa0c0863a46b6fd86f17813416769f1eec89375f3c9c83fed468a17d1ef80f83ff1744927e7da79

  • SSDEEP

    1536:QlEUXeNbfEzPX5FdEsom/cbvczqvooFPrSd8kBlUT1SB:qlybfEbXTd5wbvYqf0d8kBlUT1SB

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\bin\nssutil3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\nssutil3.dll,#1
      2⤵
        PID:1240
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 640
          3⤵
          • Program crash
          PID:624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1240 -ip 1240
      1⤵
        PID:4632

      Network

      MITRE ATT&CK Matrix

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      Downloads