Analysis

  • max time kernel
    229s
  • max time network
    257s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 09:00

General

  • Target

    nss3.dll

  • Size

    2.0MB

  • MD5

    1cc453cdf74f31e4d913ff9c10acdde2

  • SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

  • SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

  • SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • SSDEEP

    49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr

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\nss3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\nss3.dll,#1
      2⤵
        PID:2732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 636
          3⤵
          • Program crash
          PID:4568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2732 -ip 2732
      1⤵
        PID:1060

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2732-132-0x0000000000000000-mapping.dmp