General

  • Target

    f36c39084b68e1c96f6d960a9def941304a3b2f93907d6650587125627baa89f.exe

  • Size

    990KB

  • Sample

    241129-exz7fa1kbr

  • MD5

    2108fe4bc36c181c43d01825b56d8349

  • SHA1

    274e3b1be233129a95658fe508706c0ebc4114a5

  • SHA256

    f36c39084b68e1c96f6d960a9def941304a3b2f93907d6650587125627baa89f

  • SHA512

    955aa8cb40efda2b44dc3a84a849c7941f20d801abc5da35c020038603ca6718de826aaf93dcdd958a5ce1808df9b25378f72ecb39b9d0f495771b2f773fa96b

  • SSDEEP

    24576:M1zGUxjPe4rOMAsZXQsjoMCgkVbjw1292uP3:CL5e4CMAYXiMCFVbjw49bP

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

104.250.180.178:7902

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Adobe.exe

  • copy_folder

    Adobe

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Adobe_Nov-3XE9WN

  • 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

      f36c39084b68e1c96f6d960a9def941304a3b2f93907d6650587125627baa89f.exe

    • Size

      990KB

    • MD5

      2108fe4bc36c181c43d01825b56d8349

    • SHA1

      274e3b1be233129a95658fe508706c0ebc4114a5

    • SHA256

      f36c39084b68e1c96f6d960a9def941304a3b2f93907d6650587125627baa89f

    • SHA512

      955aa8cb40efda2b44dc3a84a849c7941f20d801abc5da35c020038603ca6718de826aaf93dcdd958a5ce1808df9b25378f72ecb39b9d0f495771b2f773fa96b

    • SSDEEP

      24576:M1zGUxjPe4rOMAsZXQsjoMCgkVbjw1292uP3:CL5e4CMAYXiMCFVbjw49bP

    • Remcos

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

    • Remcos family

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks