General

  • Target

    1737663604f8516c9290039f02f2c52471a04536a8f1185df942f9f62cf33cb0918189f654490.dat-decoded.exe

  • Size

    482KB

  • Sample

    250123-y4zc9ssjay

  • MD5

    7ce9f8140cda0b90c02105712ac345e5

  • SHA1

    fa3049434e60b6b50c402adddd238668870abda6

  • SHA256

    780eb8a7854cce92caadc3f3fd7532a87f91825a393fdc147762a968a06c4e6d

  • SHA512

    6ca9fa167151063a774605b0ce9140c6cf71d3d11e5c7caecae3a8832c0cd414b2e82101248c4623188e45348ba7dd0d8c3e984ac104d84e05cb189f8b1eaf51

  • SSDEEP

    12288:x13ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQ6S:jak/mBXTV/R0nEF76gFZN

Malware Config

Extracted

Family

remcos

Botnet

iwelcomewealth

C2

ssldns00000000000.duckdns.org:2025

manifest0000000backup.duckdns.org:2026

manifestbackup.freemyip.com:2026

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

    trickingssl20394449000000000-NVUWMT

  • 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

      1737663604f8516c9290039f02f2c52471a04536a8f1185df942f9f62cf33cb0918189f654490.dat-decoded.exe

    • Size

      482KB

    • MD5

      7ce9f8140cda0b90c02105712ac345e5

    • SHA1

      fa3049434e60b6b50c402adddd238668870abda6

    • SHA256

      780eb8a7854cce92caadc3f3fd7532a87f91825a393fdc147762a968a06c4e6d

    • SHA512

      6ca9fa167151063a774605b0ce9140c6cf71d3d11e5c7caecae3a8832c0cd414b2e82101248c4623188e45348ba7dd0d8c3e984ac104d84e05cb189f8b1eaf51

    • SSDEEP

      12288:x13ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQ6S:jak/mBXTV/R0nEF76gFZN

    • 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

    • 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