Analysis

  • max time kernel
    47s
  • max time network
    177s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04-02-2023 13:49

General

  • Target

    MultiMC/libLauncher_nbt++.dll

  • Size

    342KB

  • MD5

    a8fd1d3ca86576af970775e814578dc0

  • SHA1

    b600843f2c8ef110fcbb5dd5f57211bbe189056d

  • SHA256

    0de8b725ff2074290b6c9f5f38a4650b84eaf299456c2dc5cd9e71b1e1962824

  • SHA512

    48042b9b3f5e6471261f663351b86d5c231cc2158f71cb2cdc3bdc2f667a90175d908b7325b8ab156366eddf037baf788abd6555825a04b90f8f85cb44386cb8

  • SSDEEP

    6144:eIUgcH0hzdJ8UOxWbc5sCDPB/Qll7a56FBTYb4Y7pHhW6dJjgGoo5Nheff1ByLca:eIUgcH0hGV/Qll7W

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\libLauncher_nbt++.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_nbt++.dll,#1
      2⤵
        PID:1940
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 652
          3⤵
          • Program crash
          PID:968

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1940-117-0x0000000000000000-mapping.dmp

    • memory/1940-120-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-121-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-123-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-125-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-124-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-122-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-119-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-118-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-129-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-130-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-133-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-132-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-135-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-134-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-131-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-137-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-138-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-136-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-128-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-127-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-139-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-126-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-140-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-143-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-145-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-146-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-144-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-147-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-142-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-149-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-151-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-152-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-150-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-148-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-153-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-141-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-154-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-155-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-157-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-160-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-162-0x0000000061740000-0x0000000061771000-memory.dmp

      Filesize

      196KB

    • memory/1940-163-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-165-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-164-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-161-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-158-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-159-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-156-0x0000000077470000-0x00000000775FE000-memory.dmp

      Filesize

      1.6MB

    • memory/1940-166-0x0000000061740000-0x0000000061771000-memory.dmp

      Filesize

      196KB