Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 01:26

General

  • Target

    Order Confirmation 10184.exe

  • Size

    3.5MB

  • MD5

    df2ace5c6db82428462e74d47d0465bf

  • SHA1

    ad0284fecf66d6b740fde18c1929aeabd8f3c83d

  • SHA256

    eda27c1bb7dbc080b1db6b379e99b435a4bece82d82ac57265fc46e4998ee387

  • SHA512

    153035ccb7b7bcf94367717cc4fbe70947bf4de5de33b5fea673e24348e2e0f0f9381b73c47af1f860c12e00b49cb7f058f053415b08e716fd3b087a4b5a01fe

  • SSDEEP

    24576:ULBjHOz3eHyTm8o0NQVwDigJIeOjBKw31I:UNLOz3eHyTm8bOVHuOjBKw31I

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:52121

officerem.duckdns.org:52121

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-6GPUH1

  • 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
  • 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.

  • Runs regedit.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Confirmation 10184.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Confirmation 10184.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
        PID:2940
      • C:\Windows\System32\calc.exe
        "C:\Windows\System32\calc.exe"
        2⤵
          PID:2756
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe"
          2⤵
            PID:2716
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
            2⤵
              PID:2772
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              2⤵
                PID:2584
              • C:\Windows\regedit.exe
                "C:\Windows\regedit.exe"
                2⤵
                • Runs regedit.exe
                PID:2808
              • C:\Program Files (x86)\Windows Mail\wab.exe
                "C:\Program Files (x86)\Windows Mail\wab.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:276
              • C:\Program Files (x86)\Windows Mail\wab.exe
                "C:\Program Files (x86)\Windows Mail\wab.exe"
                2⤵
                  PID:2588

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/276-72-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2084-0-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

                Filesize

                4KB

              • memory/2084-1-0x0000000000370000-0x0000000000378000-memory.dmp

                Filesize

                32KB

              • memory/2084-2-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

                Filesize

                9.9MB

              • memory/2084-3-0x0000000002040000-0x000000000210C000-memory.dmp

                Filesize

                816KB

              • memory/2084-76-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

                Filesize

                9.9MB

              • memory/2940-14-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-10-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-8-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-6-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-5-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-4-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-12-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB

              • memory/2940-7-0x0000000000400000-0x000000000047F000-memory.dmp

                Filesize

                508KB