General

  • Target

    FACF9877656789000.bat.exe

  • Size

    1.2MB

  • Sample

    241106-m99kms1pck

  • MD5

    4e6fb77e41ce6e4e8ddec2a04c51b135

  • SHA1

    3f3c04d941792d7598bc6e1fb1814c44ca3d1cf4

  • SHA256

    958e5d7947f48f2047ac3c595ee724a916c9969430731091ac1b9fcfaaf65d70

  • SHA512

    0835f76379fc423c5e194bc8e852492bd68bf7b885f14e07d1dd1878d16d9a1a91153e47d484bc58cecca106547444b87587dfa8d6897acfa10f0efe5b08d619

  • SSDEEP

    24576:tthEVaPqLopaxpymFCZqtRGGAsL4+ktZuStEJz992or8rekadSfU84w:VEVUcI0pyrwtRGGA6mgStLo8uEf

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.101.137:8780

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-EFS67M

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      FACF9877656789000.bat.exe

    • Size

      1.2MB

    • MD5

      4e6fb77e41ce6e4e8ddec2a04c51b135

    • SHA1

      3f3c04d941792d7598bc6e1fb1814c44ca3d1cf4

    • SHA256

      958e5d7947f48f2047ac3c595ee724a916c9969430731091ac1b9fcfaaf65d70

    • SHA512

      0835f76379fc423c5e194bc8e852492bd68bf7b885f14e07d1dd1878d16d9a1a91153e47d484bc58cecca106547444b87587dfa8d6897acfa10f0efe5b08d619

    • SSDEEP

      24576:tthEVaPqLopaxpymFCZqtRGGAsL4+ktZuStEJz992or8rekadSfU84w:VEVUcI0pyrwtRGGA6mgStLo8uEf

    • Remcos

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

    • Remcos family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks