General

  • Target

    d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2.vbs

  • Size

    682KB

  • Sample

    240919-b798lsvcjb

  • MD5

    0044397fe549d182b1bfd55fd76e75eb

  • SHA1

    3fa8cc3ec14dd1fff24affc7f2c19c9c92e4b663

  • SHA256

    d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2

  • SHA512

    60f020faa2865f8086b36f82f6550179f8b442c5455fdd594fc7bd19e5ad9fe70bd023dac62724148747518e3123cdaf3a6ec986af6862543092796b2d984089

  • SSDEEP

    1536:9SSSSSSSSSSSSSSSSSSSSSSSx222222222222222222222222222222222222229:d1n/DSw8ccar2

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://drive.google.com/uc?export=download&id=

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.desckvbrat.com.br
  • Port:
    21
  • Username:
    desckvbrat1
  • Password:
    developerpro21578Jp@@

Extracted

Family

remcos

Botnet

NedDay

C2

212.162.149.163:2404

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

    1210

  • mouse_option

    false

  • mutex

    Rmc-52K54M

  • 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

      d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2.vbs

    • Size

      682KB

    • MD5

      0044397fe549d182b1bfd55fd76e75eb

    • SHA1

      3fa8cc3ec14dd1fff24affc7f2c19c9c92e4b663

    • SHA256

      d81847976ea210269bf3c98c5b32d40ed9daf78dbb1a9ce638ac472e501647d2

    • SHA512

      60f020faa2865f8086b36f82f6550179f8b442c5455fdd594fc7bd19e5ad9fe70bd023dac62724148747518e3123cdaf3a6ec986af6862543092796b2d984089

    • SSDEEP

      1536:9SSSSSSSSSSSSSSSSSSSSSSSx222222222222222222222222222222222222229:d1n/DSw8ccar2

    • Remcos

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks