Analysis

  • max time kernel
    53s
  • max time network
    70s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14/02/2023, 16:59

General

  • Target

    MultiMC/libnbt++.dll

  • Size

    1.0MB

  • MD5

    d77f08e48b1b4023548299e85e6df7b1

  • SHA1

    891e11a440cd36686d140f9a47f62242524ada17

  • SHA256

    85dd60ed996e639d98b4340b3237ddbf4b449cd85a8cddb0c0a91efc2cce4e29

  • SHA512

    1d9de402290f883d98bb09969cdcac483755e47a35afed75b7caae7cefbcdddaf9a102fda61d3d305fbc0f4ad915f687c990c1d7084f04c434c52af955ba8aa3

  • SSDEEP

    6144:5JTuJg3CVEUwhZCWd3SPoE3KAEPYmTi1LH/d1CsOSSwFZdRQwZIzfoF/3vpZbaYt:3UhVEUwDiei1LH//U63yVBPwf

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\MultiMC\libnbt++.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libnbt++.dll,#1
      2⤵
        PID:2852
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 648
          3⤵
          • Program crash
          PID:4688

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2852-119-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-120-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-121-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-123-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-124-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-122-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-125-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-127-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-128-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-126-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-129-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-130-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-131-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-132-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-134-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-133-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-135-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-136-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-137-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-138-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-139-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-140-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-141-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-143-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-144-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-145-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-146-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-147-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-142-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-148-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-150-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-151-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-153-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-154-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-156-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-155-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-158-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-157-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-152-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-149-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-161-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-162-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-164-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-163-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-160-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-159-0x0000000077830000-0x00000000779BE000-memory.dmp

            Filesize

            1.6MB

          • memory/2852-165-0x0000000063100000-0x000000006314F000-memory.dmp

            Filesize

            316KB