General

  • Target

    94a386916bc0a33eebe0a466dbfcba90ccb88891e05b0a06d0f91a84432767d1.vbs

  • Size

    139KB

  • Sample

    240822-mfp9xavbpr

  • MD5

    94afb2d35a2fcfc7473b57ff851451df

  • SHA1

    e9287d3640a1c870a14f69e4dbc6bcb9e4a3b027

  • SHA256

    94a386916bc0a33eebe0a466dbfcba90ccb88891e05b0a06d0f91a84432767d1

  • SHA512

    f9d6e8367df303d7ef02b695574cb68c1123349b517724b0f59f59c3410a204dbfd6c0123e1ba963bd80a879de0c109c41d15725de0a912f5d80867c229b56f9

  • SSDEEP

    3072:BjGO63YDSdYB51Gy/ABuIWHwxoH0sHXaHb0bIkNTEx29OjmB8ZJuZ:RGO63WSdYB51Gy/quNHwaHdHqHb0bIkx

Malware Config

Extracted

Family

remcos

Botnet

WEALTHYBLESSED

C2

janbours92harbu03.duckdns.org:3980

janbours92harbu04.duckdns.org:3981

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-03JSUC

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      94a386916bc0a33eebe0a466dbfcba90ccb88891e05b0a06d0f91a84432767d1.vbs

    • Size

      139KB

    • MD5

      94afb2d35a2fcfc7473b57ff851451df

    • SHA1

      e9287d3640a1c870a14f69e4dbc6bcb9e4a3b027

    • SHA256

      94a386916bc0a33eebe0a466dbfcba90ccb88891e05b0a06d0f91a84432767d1

    • SHA512

      f9d6e8367df303d7ef02b695574cb68c1123349b517724b0f59f59c3410a204dbfd6c0123e1ba963bd80a879de0c109c41d15725de0a912f5d80867c229b56f9

    • SSDEEP

      3072:BjGO63YDSdYB51Gy/ABuIWHwxoH0sHXaHb0bIkNTEx29OjmB8ZJuZ:RGO63WSdYB51Gy/quNHwaHdHqHb0bIkx

    • 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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks