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Analysis

  • max time kernel
    165s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 12:03

General

  • Target

    bf3e83d8bb321c983e11ae9c4ef6e81c458c9e55a265a7bb59be7061d0f00a5a.dll

  • Size

    1.1MB

  • MD5

    916f38367c33e813e4142ad7e9ab5eb3

  • SHA1

    fc9a352821dc9c66de07f0028a26f154bed409cb

  • SHA256

    bf3e83d8bb321c983e11ae9c4ef6e81c458c9e55a265a7bb59be7061d0f00a5a

  • SHA512

    a9079bf3eefef6af71a422b3cd8be1b56f88be71fab09d4ce975452d666f58a409f1027f9a4b18e8d2a68ebab345a885029332cb90ef2b6deaa7b8928a7bf17b

  • SSDEEP

    12288:fo6sTsKlVWQSjW0EPrvoxkRWvKT4hSDgAqsNaGMvRs807cpgr2bJf1znPtKu6cc:foFVWQrboxkGSSsPIRs8/pgSbJfN8Oc

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\bf3e83d8bb321c983e11ae9c4ef6e81c458c9e55a265a7bb59be7061d0f00a5a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf3e83d8bb321c983e11ae9c4ef6e81c458c9e55a265a7bb59be7061d0f00a5a.dll,#1
      2⤵
        PID:1020
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 592
          3⤵
          • Program crash
          PID:2188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1020 -ip 1020
      1⤵
        PID:1656

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/1020-133-0x0000000010000000-0x0000000010117000-memory.dmp

        Filesize

        1.1MB