General

  • Target

    af013d9096edd166f1cdd1bd1d2fdd944982876a6d263965929f3a8f30c8ef65.exe

  • Size

    894KB

  • Sample

    240806-cnbrdazgme

  • MD5

    fdcba835523e6646b078e2c3ef177867

  • SHA1

    de1f28b968ea95b105b6f760e02a59f8276e436f

  • SHA256

    af013d9096edd166f1cdd1bd1d2fdd944982876a6d263965929f3a8f30c8ef65

  • SHA512

    719cde4fc47c50337c2dae7e474c024acdf4ff686fce08c7d4521dcd47a3535d7172cdca32c923f90c6209d63902ce920b068f850e2d88553b27c749efcb098f

  • SSDEEP

    24576:iAak5W2QSl8DnIvraQeeISIPc2/jpXucCv:X5W2QSAIWjeISGC

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

eadzagba1.duckdns.org:4877

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-3DF634

  • 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

      af013d9096edd166f1cdd1bd1d2fdd944982876a6d263965929f3a8f30c8ef65.exe

    • Size

      894KB

    • MD5

      fdcba835523e6646b078e2c3ef177867

    • SHA1

      de1f28b968ea95b105b6f760e02a59f8276e436f

    • SHA256

      af013d9096edd166f1cdd1bd1d2fdd944982876a6d263965929f3a8f30c8ef65

    • SHA512

      719cde4fc47c50337c2dae7e474c024acdf4ff686fce08c7d4521dcd47a3535d7172cdca32c923f90c6209d63902ce920b068f850e2d88553b27c749efcb098f

    • SSDEEP

      24576:iAak5W2QSl8DnIvraQeeISIPc2/jpXucCv:X5W2QSAIWjeISGC

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks