Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-08-2022 13:47

General

  • Target

    628bc58.dll

  • Size

    508KB

  • MD5

    04ead173ffdf29ace7c7e338d917021f

  • SHA1

    aa1e2cf23558741994d101333d8030b05f663a1a

  • SHA256

    5409ba01037c586c729d8bda05492461ce1c88e565a13c181b7f5cb49bb5902e

  • SHA512

    96dd5f7bffb4bb2123d1ab614635e92bbc76805f252a2c26300c8ae68a4e492de87a494fca79a9d596e905c760b9d7d617743a5b50fa5c9c124c5aa9fecc7798

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\628bc58.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:4468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 700
        3⤵
        • Program crash
        PID:4240
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468
    1⤵
      PID:4716

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4468-132-0x0000000000000000-mapping.dmp