Analysis

  • max time kernel
    40s
  • max time network
    67s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/01/2023, 01:53

General

  • Target

    MultiMC/libstdc++-6.dll

  • Size

    1002KB

  • MD5

    c283d446b34e75019b81d0981cb11f0d

  • SHA1

    a6e146975dfc55b0659d09e25b9a69f7cff993dc

  • SHA256

    f6530962659d0641236a42517a30dc55c4fcb7d30e942c3e820af343798a770d

  • SHA512

    eb51969a79ee4501c955a81cec9f07e9a39007c1ea69c5021e03ebf3b640d949e19f6e0cd7af969e80ec60ea6b8477804fb76deec2704db503e72906103fea63

  • SSDEEP

    24576:KSNHTild8LMw2g8XiGkMAZ0dP5Bd+1DT50v4H:7dLM8GkMAQBdih

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\libstdc++-6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MultiMC\libstdc++-6.dll,#1
      2⤵
        PID:3560
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 648
          3⤵
          • Program crash
          PID:1668

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3560-121-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-122-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-123-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-120-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-119-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-124-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-125-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-126-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-127-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-129-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-128-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-131-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-132-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-130-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-133-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-135-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-136-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-134-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-137-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-139-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-138-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-141-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-140-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-142-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-143-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-144-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-145-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-147-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-148-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-146-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-150-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-149-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-152-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-153-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-154-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-156-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-157-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-160-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-159-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-161-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-162-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-158-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-155-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-151-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB

    • memory/3560-163-0x0000000077220000-0x00000000773AE000-memory.dmp

      Filesize

      1.6MB