General

  • Target

    cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe

  • Size

    902KB

  • Sample

    240924-b7tkvsscnm

  • MD5

    171f8a0f5bba2ba4fab8d479c65f6651

  • SHA1

    a7e8546d3b1dc9482e5800497eb482518efd4427

  • SHA256

    cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b

  • SHA512

    3e113f1f1afd56c9ba8ae44f24480f89a60db7f62432cfbf9b77320747f48881ac81bfa692c18692a92906372de70bd8538eea4a88c253fa7f4a6b67d4b5915c

  • SSDEEP

    24576:TlFCHP+tB+XNpYpKwiQgAG5FgfsmW1bp9xDe6:pFEtXopK1QVG0fUpT

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321

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

    Rmc-41EVS0

  • 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

      cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b.exe

    • Size

      902KB

    • MD5

      171f8a0f5bba2ba4fab8d479c65f6651

    • SHA1

      a7e8546d3b1dc9482e5800497eb482518efd4427

    • SHA256

      cd76524a5a1a193336ce0a72efa54af99367743c2d380d0416a1d09a516fad8b

    • SHA512

      3e113f1f1afd56c9ba8ae44f24480f89a60db7f62432cfbf9b77320747f48881ac81bfa692c18692a92906372de70bd8538eea4a88c253fa7f4a6b67d4b5915c

    • SSDEEP

      24576:TlFCHP+tB+XNpYpKwiQgAG5FgfsmW1bp9xDe6:pFEtXopK1QVG0fUpT

    • 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