General

  • Target

    79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe

  • Size

    972KB

  • Sample

    250204-eqyd9swnhk

  • MD5

    185c9b9945409c3d3d90d76a6b32ebb1

  • SHA1

    7797db82d41d3a3504f578bad1280c3be5f77826

  • SHA256

    79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406

  • SHA512

    06bfd7c742ec0a69dcbd18b2caf2a62c948aee7760bc224d6bd81d3356dfe0dc6e847912a5d0d0c4a0e6b7c51caaaf4af8d2df4eaabda0fe2417361c44e20977

  • SSDEEP

    24576:AwerXiN/Ylh7bP67DPxscfEBiLHoZmI8eqDW:Aw8oA+Px6iL8qW

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

176.65.144.121:5689

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

    5867-V7HPI7

  • 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

      79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406.exe

    • Size

      972KB

    • MD5

      185c9b9945409c3d3d90d76a6b32ebb1

    • SHA1

      7797db82d41d3a3504f578bad1280c3be5f77826

    • SHA256

      79b471a0a41d5c4b158af84c2f9619a08fb645f8a400c58fedc8521a4f238406

    • SHA512

      06bfd7c742ec0a69dcbd18b2caf2a62c948aee7760bc224d6bd81d3356dfe0dc6e847912a5d0d0c4a0e6b7c51caaaf4af8d2df4eaabda0fe2417361c44e20977

    • SSDEEP

      24576:AwerXiN/Ylh7bP67DPxscfEBiLHoZmI8eqDW:Aw8oA+Px6iL8qW

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks