General

  • Target

    EBUaVgIGyhAIdkk.exe

  • Size

    985KB

  • Sample

    240516-vrzaysfc42

  • MD5

    f5b954f0119303d3d0ef657666b75cb3

  • SHA1

    dbf749bf18d503c440a681863b6c84a80083de62

  • SHA256

    40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740

  • SHA512

    d7c140fb74a87670109ed116be731d9820978d322c69b85fb11c75455049fb975e9955ba2b5d549fbf1c077e3352fb7fb16190b3b1d3bc76de26f1727ededef3

  • SSDEEP

    24576:TSYMFniyyZ6Pqc2Duhz/s8dTGMjqLpHr:pMFnyZ82DuhzfCHdHr

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

alibabaforwader10.ddns.net:60247

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-AC7NKA

  • 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

      EBUaVgIGyhAIdkk.exe

    • Size

      985KB

    • MD5

      f5b954f0119303d3d0ef657666b75cb3

    • SHA1

      dbf749bf18d503c440a681863b6c84a80083de62

    • SHA256

      40a32c20b9e9576ce7f8d4342ad24b9f9aa0805bdc43aa781bc3b2626287d740

    • SHA512

      d7c140fb74a87670109ed116be731d9820978d322c69b85fb11c75455049fb975e9955ba2b5d549fbf1c077e3352fb7fb16190b3b1d3bc76de26f1727ededef3

    • SSDEEP

      24576:TSYMFniyyZ6Pqc2Duhz/s8dTGMjqLpHr:pMFnyZ82DuhzfCHdHr

    • 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