Analysis

  • max time kernel
    124s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    19-02-2023 13:26

General

  • Target

    MultiMC/libLauncher_iconfix.dll

  • Size

    127KB

  • MD5

    84acb289049b167366875f61b5596752

  • SHA1

    523a7a2d0df5be5e1f0c99cd2c63e4d1db38afa7

  • SHA256

    055f67a18e58c8637cb2cd8a58f9c05bb942521465954e18722564e0337776be

  • SHA512

    99f35bf4f0418c0aac19d2e35e29708dc21011ee4adfdabb180c1deefeeb71f0cbaf953584d158c6d6de332a1d9480092de79b42ed0ed8420b3b49370aee7b9d

  • SSDEEP

    3072:hUhA8S8fo6OjGyy1zWmC00TEUmIKOpS8aNx5tnzgp:KhA8S8fo6OjGJ1zWLTEUmIKOpS8aNx5Q

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_iconfix.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libLauncher_iconfix.dll,#1
      2⤵
        PID:2556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 680
          3⤵
          • Program crash
          PID:3284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2556 -ip 2556
      1⤵
        PID:4288

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/2556-132-0x0000000000000000-mapping.dmp

      • memory/2556-133-0x00000000006E1000-0x00000000006E3000-memory.dmp

        Filesize

        8KB

      • memory/2556-134-0x0000000070940000-0x000000007095C000-memory.dmp

        Filesize

        112KB

      • memory/2556-135-0x0000000068880000-0x0000000068DAF000-memory.dmp

        Filesize

        5.2MB

      • memory/2556-136-0x0000000061940000-0x0000000061EB5000-memory.dmp

        Filesize

        5.5MB

      • memory/2556-137-0x0000000070940000-0x000000007095C000-memory.dmp

        Filesize

        112KB