General

  • Target

    MalwareBazaar.18

  • Size

    534KB

  • Sample

    240730-txwxcasejd

  • MD5

    f37e27368c12a73dc8e791a1a60c929f

  • SHA1

    3f1f1592e70c46c77fdf603ec4e61fc5a179d6b2

  • SHA256

    d09e5aa4e74c009e6ec6b80ff7fe4da43eeb4640104c54036f40755f55767118

  • SHA512

    cc48246815db140cb0f1d500f8ed2983800b42d39b606a3c4319c1a026ba88930f585815851653bae99b950466785447866e70ecad92b9a7677fb8f876cba0ae

  • SSDEEP

    12288:HVPU0RvjvT4yLgy7saE7nCsV20XPB1IpBt7Kwcjoj:HlU0RvjvTDqNjFcYcBIwyu

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.93.222.225:2404

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-MX8NLB

  • 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

      MalwareBazaar.18

    • Size

      534KB

    • MD5

      f37e27368c12a73dc8e791a1a60c929f

    • SHA1

      3f1f1592e70c46c77fdf603ec4e61fc5a179d6b2

    • SHA256

      d09e5aa4e74c009e6ec6b80ff7fe4da43eeb4640104c54036f40755f55767118

    • SHA512

      cc48246815db140cb0f1d500f8ed2983800b42d39b606a3c4319c1a026ba88930f585815851653bae99b950466785447866e70ecad92b9a7677fb8f876cba0ae

    • SSDEEP

      12288:HVPU0RvjvT4yLgy7saE7nCsV20XPB1IpBt7Kwcjoj:HlU0RvjvTDqNjFcYcBIwyu

    • 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 and hide display window.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks