General

  • Target

    scan_documet_027839.vbs

  • Size

    14KB

  • Sample

    240910-rgkg9sxajp

  • MD5

    a5a98320f9ac5232423dbde020b8af40

  • SHA1

    270b584738e2ad68dfbb7d949b72e9ceeb620607

  • SHA256

    cb6c92921e3bc58250684d6bd5dda9b92d22917f2d5e7b137c9694907309e986

  • SHA512

    a0d29c2f86b197dfa834f3718ff45dfbcf7bdade1b6e0c551cf0cbd0b2138f9d2e6a2a53efa262321977e22979b7e2662d3f301258c1d70ca7580d7b2b441e42

  • SSDEEP

    384:40JkjQ0eWgc1pVR8YSwSPJmxNSiMFpWRD:fGjQ0e21pf8SmW28

Malware Config

Extracted

Family

remcos

Botnet

one

C2

101.99.93.144:4899

101.99.93.144:8080

101.99.93.144:2404

101.99.93.144:80

101.99.93.144:465

101.99.93.144:50255

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

    rmc

  • mouse_option

    false

  • mutex

    goosddfvv-L97IFZ

  • 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

      scan_documet_027839.vbs

    • Size

      14KB

    • MD5

      a5a98320f9ac5232423dbde020b8af40

    • SHA1

      270b584738e2ad68dfbb7d949b72e9ceeb620607

    • SHA256

      cb6c92921e3bc58250684d6bd5dda9b92d22917f2d5e7b137c9694907309e986

    • SHA512

      a0d29c2f86b197dfa834f3718ff45dfbcf7bdade1b6e0c551cf0cbd0b2138f9d2e6a2a53efa262321977e22979b7e2662d3f301258c1d70ca7580d7b2b441e42

    • SSDEEP

      384:40JkjQ0eWgc1pVR8YSwSPJmxNSiMFpWRD:fGjQ0e21pf8SmW28

    • Remcos

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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks