General

  • Target

    ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310

  • Size

    1.0MB

  • Sample

    250108-qpsm6s1pay

  • MD5

    6db0d9daa9a5e4154760f37d23dece76

  • SHA1

    ec81faf47d18f34f5be30162fa387ed86f457708

  • SHA256

    ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310

  • SHA512

    ab1104c4c4d814949ae7375c04910678f87133011d6251e67889565931b9a87e151cb414c9530f64eaac593014acb7481b44d10597975183b2ca11f4e3025efc

  • SSDEEP

    24576:9EkD7pClThq88OQGADrWvWjuPF3pn/2bczbO8U:CF+JOQFjQ328

Malware Config

Extracted

Family

remcos

Botnet

Remco

C2

87.120.116.245:2404

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-0PJCBG

  • 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

      ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310

    • Size

      1.0MB

    • MD5

      6db0d9daa9a5e4154760f37d23dece76

    • SHA1

      ec81faf47d18f34f5be30162fa387ed86f457708

    • SHA256

      ad18b1c0ca21b88ea13e5911a1608e5e010a124fdbbdea9f2cff2a2a361cc310

    • SHA512

      ab1104c4c4d814949ae7375c04910678f87133011d6251e67889565931b9a87e151cb414c9530f64eaac593014acb7481b44d10597975183b2ca11f4e3025efc

    • SSDEEP

      24576:9EkD7pClThq88OQGADrWvWjuPF3pn/2bczbO8U:CF+JOQFjQ328

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks