General

  • Target

    MT103 BANK ERROR.PDF.exe

  • Size

    1.0MB

  • Sample

    240725-hgxyxstgkk

  • MD5

    101d89bad85d7a2cee47414f3ca875a4

  • SHA1

    e4fbc5f86ccf69b70c02d63ab6b6d025f0106542

  • SHA256

    600b2be3d1429ba2716b05ed76d109815eb60426a2d3687c6735aece9dc9c5a3

  • SHA512

    c9fd3e12dbb636a54e8710bde6c82ef8a39d162b870fbc0f32f1a695c1a757a9a8153bad08650a1093165e566e35127f883e2c6690e7395aaa507e74c5036982

  • SSDEEP

    24576:E6Dlm/atGKanKxvdwEHfZTX0u/nJaRj9yin1mV/aJscLJ:DDcCZfx+GQRjj1mO

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45645

127.0.0.1:56765

latestgrace2024.duckdns.org:56765

latestgrace2024.duckdns.org:45645

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-2ZXBPR

  • 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

      MT103 BANK ERROR.PDF.exe

    • Size

      1.0MB

    • MD5

      101d89bad85d7a2cee47414f3ca875a4

    • SHA1

      e4fbc5f86ccf69b70c02d63ab6b6d025f0106542

    • SHA256

      600b2be3d1429ba2716b05ed76d109815eb60426a2d3687c6735aece9dc9c5a3

    • SHA512

      c9fd3e12dbb636a54e8710bde6c82ef8a39d162b870fbc0f32f1a695c1a757a9a8153bad08650a1093165e566e35127f883e2c6690e7395aaa507e74c5036982

    • SSDEEP

      24576:E6Dlm/atGKanKxvdwEHfZTX0u/nJaRj9yin1mV/aJscLJ:DDcCZfx+GQRjj1mO

    • 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