General

  • Target

    66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d.exe

  • Size

    900KB

  • Sample

    240925-cbx4vaxhjm

  • MD5

    a1e1f9aef9a168423b2f0cd1dbe2ba9a

  • SHA1

    921abb3a628f79b295c92d7298da8dfedc1b9376

  • SHA256

    66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d

  • SHA512

    6281720fd5a85723cb6cc85845fa4895cf0190cad58a4924c2a36a0d7d7b6f41b4a2f1c7bf005e969c5e973294c287a3c5c1c2c91029fd40b0d6a697e2bcd673

  • SSDEEP

    24576:kpdp7oz4EdD2Vw6byE1MVoLVKbG65MyekkQ40e8nk9IN:kP7iqLy5VoLVCdJe5QX

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.projectusf.com: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

    gfh

  • mouse_option

    false

  • mutex

    Rmc-J91LMC

  • 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

      66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d.exe

    • Size

      900KB

    • MD5

      a1e1f9aef9a168423b2f0cd1dbe2ba9a

    • SHA1

      921abb3a628f79b295c92d7298da8dfedc1b9376

    • SHA256

      66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d

    • SHA512

      6281720fd5a85723cb6cc85845fa4895cf0190cad58a4924c2a36a0d7d7b6f41b4a2f1c7bf005e969c5e973294c287a3c5c1c2c91029fd40b0d6a697e2bcd673

    • SSDEEP

      24576:kpdp7oz4EdD2Vw6byE1MVoLVKbG65MyekkQ40e8nk9IN:kP7iqLy5VoLVCdJe5QX

    • Remcos

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks