Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 08:35

General

  • Target

    FLUID CONTROLS PRIVATE LIMITED.exe

  • Size

    2.5MB

  • MD5

    123aba7dd8270d88d11d13f300eec211

  • SHA1

    e727f8d5e9d3d094ac132ce405fe321019968e70

  • SHA256

    e3f3af0bbdf9d02be5605e16b89f822040c6521ca85d50fd9503ea7a0837a0b7

  • SHA512

    35f82e41ea9a99e3fdad2fd1beeef64c55e3cc26bacd9c3751ff3f7cbfde8efcc7ac237f19d75ffa7fb0e380c3ed433efcab07daaa71895e2e5e3dcb2ec83aea

  • SSDEEP

    24576:I1D/wrs3UIwf6YJMgOTZYmeaAZcO2dEwr:I1orQTYSBG36O2dvr

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

eadzagba1.duckdns.org:4877

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-X3UMUO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FLUID CONTROLS PRIVATE LIMITED.exe
    "C:\Users\Admin\AppData\Local\Temp\FLUID CONTROLS PRIVATE LIMITED.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Windows\System32\calc.exe
      "C:\Windows\System32\calc.exe"
      2⤵
        PID:3252
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3752
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:2004

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3752-12-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-23-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-26-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-27-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-13-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-5-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-6-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-14-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-8-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-9-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-25-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-11-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-24-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-22-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-7-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-17-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-18-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-19-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3752-20-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4616-1-0x000001ED104A0000-0x000001ED104B6000-memory.dmp

        Filesize

        88KB

      • memory/4616-4-0x000001ED121B0000-0x000001ED12280000-memory.dmp

        Filesize

        832KB

      • memory/4616-2-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

        Filesize

        10.8MB

      • memory/4616-10-0x00007FF89F4D0000-0x00007FF89FF91000-memory.dmp

        Filesize

        10.8MB

      • memory/4616-3-0x000001ED10840000-0x000001ED1084E000-memory.dmp

        Filesize

        56KB

      • memory/4616-0-0x00007FF89F4D3000-0x00007FF89F4D5000-memory.dmp

        Filesize

        8KB