General

  • Target

    9d246f5e01f060fe08c2f15d4e8a58e0.exe

  • Size

    1.0MB

  • Sample

    241106-rtkzka1lex

  • MD5

    9d246f5e01f060fe08c2f15d4e8a58e0

  • SHA1

    0638b06d7bb8677324a41f35515168f3e3d08f2e

  • SHA256

    e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1

  • SHA512

    1e7a2c9cfa792e8cd8bfcd49600c28f3892b44d96a92c502808d87d1542c9558e1e0d8594f542fff03b25d341cf00c9a27e7364d8ffec45344fa6a7e4f4e031c

  • SSDEEP

    24576:RICXwSqZVrMrldw2KP7G3dhzEH4RiIaot1mw:OHSmrSPw2BdWH4RiRot19

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

66.63.162.79:2404

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

    true

  • 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-1CY96M

  • 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

      9d246f5e01f060fe08c2f15d4e8a58e0.exe

    • Size

      1.0MB

    • MD5

      9d246f5e01f060fe08c2f15d4e8a58e0

    • SHA1

      0638b06d7bb8677324a41f35515168f3e3d08f2e

    • SHA256

      e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1

    • SHA512

      1e7a2c9cfa792e8cd8bfcd49600c28f3892b44d96a92c502808d87d1542c9558e1e0d8594f542fff03b25d341cf00c9a27e7364d8ffec45344fa6a7e4f4e031c

    • SSDEEP

      24576:RICXwSqZVrMrldw2KP7G3dhzEH4RiIaot1mw:OHSmrSPw2BdWH4RiRot19

    • Remcos

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

    • Remcos family

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks