Analysis

  • max time kernel
    51s
  • max time network
    149s
  • 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/librainbow.dll

  • Size

    59KB

  • MD5

    f0655986b65ea5241d276c08650a105c

  • SHA1

    81ae8d7fd6d9a89884de64e86af146e528c0dc2e

  • SHA256

    f8a3615861ec1d9edf62814221fdfbd70cc4c357dddc003e4a4f08385178704d

  • SHA512

    317bf96e0924c9a28e1720e28b5b11136bba0524a205e0f32f762201af794b00825057960d16ed25cbfc325c99cb63051c857aab178f38e7df89fdaafee352ce

  • SSDEEP

    768:v4waaKzK+Zd4gETjvzZpOZCA2WNV+UOc3UzbXHPw1RPC/9:v4wJ+ZCgeIjQbXHP8Ry

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\librainbow.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\librainbow.dll,#1
      2⤵
        PID:3808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3808 -s 688
          3⤵
          • Program crash
          PID:4852

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3808-120-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-121-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-122-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-123-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-124-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-125-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-127-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-126-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-129-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-128-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-130-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-133-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-132-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-134-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-135-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-131-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-136-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-140-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-144-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-148-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-150-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-153-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-154-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-155-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-156-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-157-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-159-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-158-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-152-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-162-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-161-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-160-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-151-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-149-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-163-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-165-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-164-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-147-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-146-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-145-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-143-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-142-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-141-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-168-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-167-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-170-0x0000000068880000-0x0000000068DAE000-memory.dmp

      Filesize

      5.2MB

    • memory/3808-171-0x0000000061940000-0x0000000061E60000-memory.dmp

      Filesize

      5.1MB

    • memory/3808-169-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-166-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-139-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-138-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB

    • memory/3808-137-0x0000000077740000-0x00000000778CE000-memory.dmp

      Filesize

      1.6MB