General

  • Target

    MalwareBazaar.2

  • Size

    1.0MB

  • Sample

    240725-htjbasxfme

  • MD5

    04796f12ce53740c4c23b68d2ad1918e

  • SHA1

    b9756f279781b5c2ccf0ecf9cca6f260b63d7f51

  • SHA256

    09319f07c4b99a145ac12b7339445f6c6493db1c28a592acb32ae464a6d32c13

  • SHA512

    57e41e454262633d501ef3e63f4a137f4d570c6c76a2481dd67e794dc318e197450d2548491d5122d822d4fbed4a4313ff504176f17a48cbb0b77a9210d3b8ce

  • SSDEEP

    24576:E6Dlm/atGKanKxvdwEHfZTX0u/nJaRj9yin1mV/aJscLa:DDcCZfx+GQRjj1mJ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:59321

nnamoo.duckdns.org:59321

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-S35D6F

  • 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

      MalwareBazaar.2

    • Size

      1.0MB

    • MD5

      04796f12ce53740c4c23b68d2ad1918e

    • SHA1

      b9756f279781b5c2ccf0ecf9cca6f260b63d7f51

    • SHA256

      09319f07c4b99a145ac12b7339445f6c6493db1c28a592acb32ae464a6d32c13

    • SHA512

      57e41e454262633d501ef3e63f4a137f4d570c6c76a2481dd67e794dc318e197450d2548491d5122d822d4fbed4a4313ff504176f17a48cbb0b77a9210d3b8ce

    • SSDEEP

      24576:E6Dlm/atGKanKxvdwEHfZTX0u/nJaRj9yin1mV/aJscLa:DDcCZfx+GQRjj1mJ

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks