Analysis

  • max time kernel
    1790s
  • max time network
    1608s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-es
  • resource tags

    arch:x64arch:x86image:win10-20230220-eslocale:es-esos:windows10-1703-x64systemwindows
  • submitted
    28-02-2023 22:16

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:2248
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_nbt++.dll,#1
      2⤵
        PID:1808
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1808 -s 656
          3⤵
          • Program crash
          PID:2104

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1808-120-0x0000000061740000-0x0000000061771000-memory.dmp

      Filesize

      196KB

    • memory/1808-122-0x0000000068AC0000-0x0000000068ACC000-memory.dmp

      Filesize

      48KB

    • memory/1808-123-0x000000006E940000-0x000000006E964000-memory.dmp

      Filesize

      144KB

    • memory/1808-121-0x0000000061740000-0x0000000061771000-memory.dmp

      Filesize

      196KB

    • memory/1808-124-0x0000000064940000-0x0000000064954000-memory.dmp

      Filesize

      80KB

    • memory/1808-125-0x000000006FC40000-0x000000006FD41000-memory.dmp

      Filesize

      1.0MB