General

  • Target

    INVOICE-No96322.pdf.exe

  • Size

    1.4MB

  • Sample

    250217-ntcreaymam

  • MD5

    249c3c371f979d96fe26448702a8b980

  • SHA1

    7d974b6cc1857df402c713b8d6f926b702a3882e

  • SHA256

    d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a

  • SHA512

    b052c78486d55697e94213a51f75a824d2c834c246cd7dcca9da3a4747a318f538001d7b899f2a06b2f7b8c2428f0e9f614713af6415ff897b634615d5e8d255

  • SSDEEP

    24576:jaHUId+zim0CY8iM277XXPIDm6bjjmmtyJQYYt2QWfn8qpXrZgrxrW6btnU:jaHUId+g8iM27jfObji9JbUa3BrCJP2

Malware Config

Extracted

Family

remcos

Botnet

FEB 16

C2

austin99.duckdns.org:9373

103.186.117.61:9373

heksaa3030.redirectme.net:9373

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-YHG6AC

  • 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

      INVOICE-No96322.pdf.exe

    • Size

      1.4MB

    • MD5

      249c3c371f979d96fe26448702a8b980

    • SHA1

      7d974b6cc1857df402c713b8d6f926b702a3882e

    • SHA256

      d5082cf733716620aa756f1c0cab59246ddab03b8c8ef06cdada69cbaa41593a

    • SHA512

      b052c78486d55697e94213a51f75a824d2c834c246cd7dcca9da3a4747a318f538001d7b899f2a06b2f7b8c2428f0e9f614713af6415ff897b634615d5e8d255

    • SSDEEP

      24576:jaHUId+zim0CY8iM277XXPIDm6bjjmmtyJQYYt2QWfn8qpXrZgrxrW6btnU:jaHUId+g8iM27jfObji9JbUa3BrCJP2

    • 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.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks