General

  • Target

    Pagos-Confirming_PDF.exe

  • Size

    550KB

  • Sample

    240731-h83ngsxfrf

  • MD5

    11e1d4839bb77f68d65bd767db97fc95

  • SHA1

    eb283f3ced6c94f5d1841ad8283cc137bae2b550

  • SHA256

    69fe306fb9f787613cff3562e3a677b8430dceddbfbdd141ad5837ba111b5106

  • SHA512

    35f6ec8b867646edf1b6cf67c27c977b12a945f35796b540ce0232a88961d80cd82ff02a9a00b7f373350ef7f880bceb72977a0d42037e4f219303c5dc8fbb13

  • SSDEEP

    12288:0toQhWVk2MM7AjOaZ4XiCeLvNJdXFIVZBZYUyi7kOSIwu:VQ4fMM7AjT4XiCIZiV3KUyTLo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.198.26.25:96

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-IPUJM4

  • 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

      Pagos-Confirming_PDF.exe

    • Size

      550KB

    • MD5

      11e1d4839bb77f68d65bd767db97fc95

    • SHA1

      eb283f3ced6c94f5d1841ad8283cc137bae2b550

    • SHA256

      69fe306fb9f787613cff3562e3a677b8430dceddbfbdd141ad5837ba111b5106

    • SHA512

      35f6ec8b867646edf1b6cf67c27c977b12a945f35796b540ce0232a88961d80cd82ff02a9a00b7f373350ef7f880bceb72977a0d42037e4f219303c5dc8fbb13

    • SSDEEP

      12288:0toQhWVk2MM7AjOaZ4XiCeLvNJdXFIVZBZYUyi7kOSIwu:VQ4fMM7AjT4XiCIZiV3KUyTLo

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Accesses Microsoft Outlook accounts

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks