General

  • Target

    cb2b849e4d24527ba41c0e5ae3982ecde5bd91b94b5ae8bb27dc221b4c775891.exe

  • Size

    863KB

  • Sample

    240918-b16a3swbrg

  • MD5

    17c6fe265edc0770cfdc81cd7b5645bc

  • SHA1

    761409d5a10480a4fd897e37aa098ec333e96ab2

  • SHA256

    cb2b849e4d24527ba41c0e5ae3982ecde5bd91b94b5ae8bb27dc221b4c775891

  • SHA512

    6048186df40e5e653b051c8fa0071411a56ff48722340f95cfc84cfc4affda7ca6a75c65421795439433e5f566ed3469f160f2f2e156953a22b5f23ae13ced60

  • SSDEEP

    24576:OLOmAJ1+95ZiMtkqM1pMky9raoPtXCuHYvN:OqmY1+95S1KkSrrRrHIN

Malware Config

Extracted

Family

remcos

Botnet

3456789

C2

172.93.220.148:45682

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

    remcos

  • mouse_option

    false

  • mutex

    765-8M14I5

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      cb2b849e4d24527ba41c0e5ae3982ecde5bd91b94b5ae8bb27dc221b4c775891.exe

    • Size

      863KB

    • MD5

      17c6fe265edc0770cfdc81cd7b5645bc

    • SHA1

      761409d5a10480a4fd897e37aa098ec333e96ab2

    • SHA256

      cb2b849e4d24527ba41c0e5ae3982ecde5bd91b94b5ae8bb27dc221b4c775891

    • SHA512

      6048186df40e5e653b051c8fa0071411a56ff48722340f95cfc84cfc4affda7ca6a75c65421795439433e5f566ed3469f160f2f2e156953a22b5f23ae13ced60

    • SSDEEP

      24576:OLOmAJ1+95ZiMtkqM1pMky9raoPtXCuHYvN:OqmY1+95S1KkSrrRrHIN

    • 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