Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/04/2024, 13:44

General

  • Target

    2112949c0d30d5a58f3cb4c0f304f7ffdba3d619387fb2041784d37a28134a35.exe

  • Size

    833KB

  • MD5

    1c9726696b060f5609bf4418a4a84ff8

  • SHA1

    9940e2e5a2d96257adf4c69af5b55285213c541a

  • SHA256

    2112949c0d30d5a58f3cb4c0f304f7ffdba3d619387fb2041784d37a28134a35

  • SHA512

    d6aeeb7e8ce4efefef8b031a20e6d40017d7842a78837297d1a1fd5315856432408a58ff2e2feb063d466ae029b18902941cf1fe99694a5bef68142fc2366f06

  • SSDEEP

    24576:Gwkj1zCzvpt93onGMeE3Jo7xhe+bhYjEUgt:GwI1mzvvAGMeQ+1/lt

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

884764

C2

serverupdatemarch353.duckdns.org:5987

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

    77364-XW3CG1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2112949c0d30d5a58f3cb4c0f304f7ffdba3d619387fb2041784d37a28134a35.exe
    "C:\Users\Admin\AppData\Local\Temp\2112949c0d30d5a58f3cb4c0f304f7ffdba3d619387fb2041784d37a28134a35.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:820
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
      2⤵
        PID:456
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
        2⤵
          PID:4536

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/456-15-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-8-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-22-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-21-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-4-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-5-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-6-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-12-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-11-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-9-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-20-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-19-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-7-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-13-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-14-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-18-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-16-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/456-17-0x0000000000400000-0x000000000047F000-memory.dmp

        Filesize

        508KB

      • memory/820-0-0x00000225AEE00000-0x00000225AEE08000-memory.dmp

        Filesize

        32KB

      • memory/820-10-0x00007FFA841D0000-0x00007FFA84C91000-memory.dmp

        Filesize

        10.8MB

      • memory/820-1-0x00007FFA841D0000-0x00007FFA84C91000-memory.dmp

        Filesize

        10.8MB

      • memory/820-3-0x00000225C9C30000-0x00000225C9D00000-memory.dmp

        Filesize

        832KB

      • memory/820-2-0x00000225C9580000-0x00000225C9590000-memory.dmp

        Filesize

        64KB