General

  • Target

    cda34c7ddc45a0ac67f0f3745b91686c285bc86f108c5c2deb36c1c3a0fb5a4f.exe

  • Size

    1.0MB

  • Sample

    240904-nyk9cazakn

  • MD5

    6aa8b2797c962a2bfbed78a30afa3f4a

  • SHA1

    1c76e253db167d7c6a685282973c1bc80bbe8e5e

  • SHA256

    cda34c7ddc45a0ac67f0f3745b91686c285bc86f108c5c2deb36c1c3a0fb5a4f

  • SHA512

    ce9ba1c1282e0d87665bbe27749106de3c42ee7b2bc9e741586ad643129c01f2c7421d1afc98b599568c4fd1e229fcf08d19503426b6507db6f45e222903b145

  • SSDEEP

    24576:0HH6h1OoaYANm0loL58KwewFARcqlE3r9HMQKw:k8t0loL58KwLgQ7lMQKw

Malware Config

Extracted

Family

remcos

Botnet

Aug 19.2

C2

method8888.ddns.net:6902

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-U6KI2M

  • 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

      cda34c7ddc45a0ac67f0f3745b91686c285bc86f108c5c2deb36c1c3a0fb5a4f.exe

    • Size

      1.0MB

    • MD5

      6aa8b2797c962a2bfbed78a30afa3f4a

    • SHA1

      1c76e253db167d7c6a685282973c1bc80bbe8e5e

    • SHA256

      cda34c7ddc45a0ac67f0f3745b91686c285bc86f108c5c2deb36c1c3a0fb5a4f

    • SHA512

      ce9ba1c1282e0d87665bbe27749106de3c42ee7b2bc9e741586ad643129c01f2c7421d1afc98b599568c4fd1e229fcf08d19503426b6507db6f45e222903b145

    • SSDEEP

      24576:0HH6h1OoaYANm0loL58KwewFARcqlE3r9HMQKw:k8t0loL58KwLgQ7lMQKw

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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