General

  • Target

    28112024_1733_28112024_ŽIADOSŤ O ROZPOČET 28.11.2024·pdf.zip

  • Size

    19KB

  • Sample

    241128-v42a3sznbq

  • MD5

    87e8cee1528f5a51d56dbd18bd230e26

  • SHA1

    078ae3ff026b1a8667d52898cc49dd9bc59bbc1a

  • SHA256

    5b616aefb49ab0dd5f42ec5e967471f7e4985d97adcb83c95519d64701d6e64e

  • SHA512

    243b9b681de43f37297036e98e8434081b5e5f9860133580c359b29e83cb949011869cb6c0ab207d10f302afbbc2124a682933bfcc47c6097f8a519dac564168

  • SSDEEP

    384:diLxvjF95wrUj9mfucZmN4dKJneWY+AR29H2aHUQc97l60tp4JVcx:IFb6aUfuNN4dyoZk2aHXc9RpcE

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45hq459.duckdns.org:23458

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-ZP0CQ6

  • 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

      ŽIADOSŤ O ROZPOČET 28.11.2024·pdf.vbs

    • Size

      33KB

    • MD5

      25a7df33e8fee89dfef3426080405533

    • SHA1

      3bb1b11f8b041a59a4e8c498c88bbeae17d5f182

    • SHA256

      9fc46e1dec1ebaa57e09e3a3d12cfc8b95653d6f26a754a0596d10b0ba9b3f1f

    • SHA512

      71fc9d9b64dce6f66941e63567c5eb89f57fb1e9caefbdb9fcd2eb1bb2bde1a98a4b156196b91f47834561a3178bb22665b513edb6b440bf313a39ae63f87b50

    • SSDEEP

      768:AxuasGxaSoM5LC3gWamt6iNi+ehBhZ+2JZ/q367gTeVVh0krL3uS:SuasQo2GZU+ehB/+WIQEmf0k3J

    • Remcos

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

    • Remcos family

    • UAC bypass

    • 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

    • Blocklisted process makes network request

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks