General

  • Target

    FAKTURA MD.exe

  • Size

    1.1MB

  • Sample

    230214-l7yjxsce64

  • MD5

    c0f19452648f00641f3c62f409d70c75

  • SHA1

    55e18ebba9f0be9d19cc92ea3e93f97d840b762d

  • SHA256

    f9c82287e71d51c8160a9eb81116f33ac932c12f8af5afcd144229e214553e20

  • SHA512

    00ec218f1c9218f3de07583cf26fae031274fb06280193186fd110e4a90a6cbbbc13e4137a75c71e3045b89dee9771a86d557d739b9d4311b6e09e19b550d931

  • SSDEEP

    12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

Malware Config

Extracted

Family

remcos

Botnet

EGO MBUTE

C2

chimarem.duckdns.org:1356

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-54Y8VF

  • 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

      FAKTURA MD.exe

    • Size

      1.1MB

    • MD5

      c0f19452648f00641f3c62f409d70c75

    • SHA1

      55e18ebba9f0be9d19cc92ea3e93f97d840b762d

    • SHA256

      f9c82287e71d51c8160a9eb81116f33ac932c12f8af5afcd144229e214553e20

    • SHA512

      00ec218f1c9218f3de07583cf26fae031274fb06280193186fd110e4a90a6cbbbc13e4137a75c71e3045b89dee9771a86d557d739b9d4311b6e09e19b550d931

    • SSDEEP

      12288:oX8lOqFSsZ40z3QjB2lr5fPx7Zh70WoQzV9hBoSFhAf1nAhglR:Q8ltFSQ3AB2zp7pcf1nAhglR

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks