Analysis

  • max time kernel
    96s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 17:44

General

  • Target

    builder.exe

  • Size

    10KB

  • MD5

    4f04f0e1ff050abf6f1696be1e8bb039

  • SHA1

    bebf3088fff4595bfb53aea6af11741946bbd9ce

  • SHA256

    ded51c306ee7e59fa15c42798c80f988f6310ea77ab77de3d12dc01233757cfa

  • SHA512

    94713824b81de323e368fde18679ef8b8f2883378bffd2b7bd2b4e4bd5d48b35c6e71c9f8e9b058ba497db1bd0781807e5b7cecfd540dad611da0986c72b9f12

  • SSDEEP

    96:IJXYAuB2glBLgyOk3LxdjP2rm549JSTuwUYXzP+B1izXTa/HFpff3LG+tzNt:IJXDk7LI4uwtDPC1ijCHffSs

Malware Config

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\builder.exe
    "C:\Users\Admin\AppData\Local\Temp\builder.exe"
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:4724
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4964
    • C:\Users\Admin\Desktop\Client-built.exe
      "C:\Users\Admin\Desktop\Client-built.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3892
    • C:\Users\Admin\Desktop\Client-built.exe
      "C:\Users\Admin\Desktop\Client-built.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1324

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\Client-built.exe

      Filesize

      78KB

      MD5

      5fa78b19ae158350ead3ef50feb6a7a2

      SHA1

      57d57ca525968fd9d5a9ee38e783e288896caa01

      SHA256

      1d4914ee768fbaf1b82a860ace972a01338c12a05ff7dbdde42bfab43b21a4d5

      SHA512

      c0d0803b5ceaa4c3013132ead8d8a95faae4a01933c41cb4c998572c2a31c971faab5bb2c488aee8d73a16a0037a78e09130e1ecd2804c40f0665399c404c00e

    • memory/3892-20-0x00007FFA921C0000-0x00007FFA92C81000-memory.dmp

      Filesize

      10.8MB

    • memory/3892-16-0x00007FFA921C0000-0x00007FFA92C81000-memory.dmp

      Filesize

      10.8MB

    • memory/3892-15-0x0000011A31920000-0x0000011A31AE2000-memory.dmp

      Filesize

      1.8MB

    • memory/3892-14-0x0000011A172F0000-0x0000011A17308000-memory.dmp

      Filesize

      96KB

    • memory/3892-13-0x00007FFA921C3000-0x00007FFA921C5000-memory.dmp

      Filesize

      8KB

    • memory/4724-4-0x0000000005610000-0x000000000561A000-memory.dmp

      Filesize

      40KB

    • memory/4724-9-0x00000000752AE000-0x00000000752AF000-memory.dmp

      Filesize

      4KB

    • memory/4724-10-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4724-6-0x00000000069F0000-0x0000000006B12000-memory.dmp

      Filesize

      1.1MB

    • memory/4724-5-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4724-0-0x00000000752AE000-0x00000000752AF000-memory.dmp

      Filesize

      4KB

    • memory/4724-3-0x0000000005660000-0x00000000056F2000-memory.dmp

      Filesize

      584KB

    • memory/4724-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4724-18-0x00000000752A0000-0x0000000075A50000-memory.dmp

      Filesize

      7.7MB

    • memory/4724-1-0x0000000000C10000-0x0000000000C18000-memory.dmp

      Filesize

      32KB