Analysis

  • max time kernel
    48s
  • max time network
    54s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-es
  • resource tags

    arch:x64arch:x86image:win10-20220901-eslocale:es-esos:windows10-1703-x64systemwindows
  • submitted
    16-01-2023 17:27

General

  • Target

    UltimMC/libwinpthread-1.dll

  • Size

    48KB

  • MD5

    d128ae39a79e5d196fc001907b5ec3d1

  • SHA1

    71de74d0aa93903e0a169c88fd21e0c617f0660a

  • SHA256

    4195ac1e3a4a8056de42c31d511e0e595772439adba96180b8953ef5f135f7a5

  • SHA512

    5b32eb7e2f01fb17ed0c4434a525ae3056acddde75c32c5036c18b6f2ffa4cf80cfee9bab4c824ca313e6e33114ea0e761dc8f75db3bbbbe4319c079848a3c06

  • SSDEEP

    768:NdOT5wjxqOfH36THnf/GcTuI4bOBxZXmVwDI7dTBhkSoFrg22222222222A26wiB:rE5wtqOfX6T/uDIm4xZ2WI7jhkSoFHij

Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libwinpthread-1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libwinpthread-1.dll,#1
      2⤵
        PID:4512

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4512-120-0x0000000000000000-mapping.dmp

    • memory/4512-121-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-122-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-123-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-124-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-125-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-126-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-127-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-128-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-129-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-131-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-130-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-132-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-135-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-134-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-133-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-136-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-139-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-141-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-140-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-142-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-138-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-143-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-137-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-144-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-145-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-146-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-147-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-150-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-149-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-148-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-151-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-152-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-154-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-156-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-155-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-153-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-157-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-158-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-159-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-160-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-163-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-164-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-162-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB

    • memory/4512-161-0x0000000077AD0000-0x0000000077C5E000-memory.dmp

      Filesize

      1.6MB