General

  • Target

    wegivenbestthngsforbestgirlfriendwhobestforentiretime.hta

  • Size

    15KB

  • Sample

    250131-h3wb8a1qbj

  • MD5

    b6bca63d34e72f931db79e9b7af61d21

  • SHA1

    b9bb3c1c502d31bd3fdb1841d312c2fa5bab4caf

  • SHA256

    a46ea1e4766c89b34c82354c215e4a27c11cb53886ace74f78af8655dfa09fab

  • SHA512

    acce0debf2b8dfa9bc06c1c317cc3491d61c7ca48607c614a95674454bc3a5fb8a1f8d898bb40d517272643af63aae3e06cedd76432cf2c8da6ab905c0c0d6ea

  • SSDEEP

    48:3hMuVfhMLVfu4TArxprC+cAZSnRyxm6SMkMMf2M2VfmMTG:heFTArxVncWSWSjAo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

216.9.226.100:3898

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

    true

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    mic

  • mouse_option

    false

  • mutex

    Rmc-Q9T2QD

  • 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

      wegivenbestthngsforbestgirlfriendwhobestforentiretime.hta

    • Size

      15KB

    • MD5

      b6bca63d34e72f931db79e9b7af61d21

    • SHA1

      b9bb3c1c502d31bd3fdb1841d312c2fa5bab4caf

    • SHA256

      a46ea1e4766c89b34c82354c215e4a27c11cb53886ace74f78af8655dfa09fab

    • SHA512

      acce0debf2b8dfa9bc06c1c317cc3491d61c7ca48607c614a95674454bc3a5fb8a1f8d898bb40d517272643af63aae3e06cedd76432cf2c8da6ab905c0c0d6ea

    • SSDEEP

      48:3hMuVfhMLVfu4TArxprC+cAZSnRyxm6SMkMMf2M2VfmMTG:heFTArxVncWSWSjAo

    • 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

    • Blocklisted process makes network request

    • Evasion via Device Credential Deployment

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks