Analysis

  • max time kernel
    48s
  • max time network
    61s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-es
  • resource tags

    arch:x64arch:x86image:win10-20220812-eslocale:es-esos:windows10-1703-x64systemwindows
  • submitted
    30-12-2022 19:17

General

  • Target

    UltimMC/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\UltimMC\libstdc++-6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libstdc++-6.dll,#1
      2⤵
        PID:2060
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 648
          3⤵
          • Program crash
          PID:4768

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2060-120-0x0000000000000000-mapping.dmp

    • memory/2060-122-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-121-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-123-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-124-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-125-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-127-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-129-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-130-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-131-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-132-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-128-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-133-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-134-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-135-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-136-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-137-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-139-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-141-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-140-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-138-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-126-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-142-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-144-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-145-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-148-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-149-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-150-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-152-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-153-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-154-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-156-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-157-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-158-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-155-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-159-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-160-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-151-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-161-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-147-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-146-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-143-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-162-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-163-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-165-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB

    • memory/2060-164-0x00000000771E0000-0x000000007736E000-memory.dmp

      Filesize

      1.6MB