Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-12-2023 22:34

General

  • Target

    fd1cef5cc1c58376c44c193b72163ec4.exe

  • Size

    3.4MB

  • MD5

    fd1cef5cc1c58376c44c193b72163ec4

  • SHA1

    a0d0a16dc003b101667e643a9958a8d71e71ac18

  • SHA256

    4ab16b326be00b6647ab0253f498dc286d6881b993cb5f95284c2db101b92c75

  • SHA512

    c5092a433e1681172757cfc387efa22bb9a54be6da1bd75deeb47ace0d147c020aa98d6400b6bf7ad5a99638a7f9638787b5b262ee31423a3d2a58c9559e958c

  • SSDEEP

    24576:wqoti2coq8PhxEY/Syhf9wv8eWrkDVJpL3ynmsSCLlBwSSMJ13t7uWVOT44Iw4Ml:Ct7PBn9Nl2SSZWQ4Mk5+3KTUhn

Score
10/10

Malware Config

Signatures

  • ParallaxRat

    ParallaxRat is a multipurpose RAT written in MASM.

  • ParallaxRat payload 22 IoCs

    Detects payload of Parallax Rat, a small portable Rat usually digitally signed with a Sectigo certificate.

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3488
      • C:\Users\Admin\AppData\Local\Temp\fd1cef5cc1c58376c44c193b72163ec4.exe
        "C:\Users\Admin\AppData\Local\Temp\fd1cef5cc1c58376c44c193b72163ec4.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4192
        • C:\Users\Admin\AppData\Local\Temp\fd1cef5cc1c58376c44c193b72163ec4.exe
          "C:\Users\Admin\AppData\Local\Temp\fd1cef5cc1c58376c44c193b72163ec4.exe"
          3⤵
            PID:1332
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 1064
            3⤵
            • Program crash
            PID:1200
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{3AD05575-8857-4850-9277-11B85BDB8E09}
        1⤵
        • Drops startup file
        PID:4956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4192 -ip 4192
        1⤵
          PID:4112

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1332-17-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-4-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-19-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-18-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-7-0x0000000077C12000-0x0000000077C13000-memory.dmp

          Filesize

          4KB

        • memory/1332-8-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-9-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-10-0x00000000001C0000-0x00000000001C1000-memory.dmp

          Filesize

          4KB

        • memory/1332-11-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-26-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-25-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-24-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-23-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-22-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-21-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-20-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-47-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-43-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-39-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-16-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-15-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-14-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-13-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-12-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1332-35-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/4192-28-0x0000000002490000-0x0000000002491000-memory.dmp

          Filesize

          4KB

        • memory/4192-27-0x0000000003170000-0x0000000003171000-memory.dmp

          Filesize

          4KB

        • memory/4192-30-0x0000000000400000-0x0000000000776000-memory.dmp

          Filesize

          3.5MB

        • memory/4192-34-0x00000000023D0000-0x000000000244B000-memory.dmp

          Filesize

          492KB

        • memory/4192-33-0x0000000003250000-0x0000000003519000-memory.dmp

          Filesize

          2.8MB

        • memory/4192-32-0x0000000003190000-0x000000000324E000-memory.dmp

          Filesize

          760KB

        • memory/4192-31-0x0000000002770000-0x0000000002860000-memory.dmp

          Filesize

          960KB

        • memory/4192-29-0x0000000003180000-0x0000000003181000-memory.dmp

          Filesize

          4KB

        • memory/4192-1-0x0000000077C12000-0x0000000077C13000-memory.dmp

          Filesize

          4KB

        • memory/4192-0-0x00000000023D0000-0x000000000244B000-memory.dmp

          Filesize

          492KB

        • memory/4192-5-0x00000000024C0000-0x0000000002663000-memory.dmp

          Filesize

          1.6MB