General

  • Target

    RFQ-3009004410.ace

  • Size

    927KB

  • Sample

    240823-msvp6azamb

  • MD5

    640f08a5994e8a6e1018cfa50f629e93

  • SHA1

    2dfdf7d68ac639dfbb1b6f32c747246c452ba65c

  • SHA256

    2605e19b6dc807d50e0b88923b061d7d48826e2f473d803fcbbd3f0f2af12a40

  • SHA512

    8ad7804a64c7d5e7f19e2f00fddc6cd1c37597a0d108681444619d44586ff6e9428202526d11caa84e06067a412bda9c3f6794a2ae214a2d9cba6faa3e2a24fa

  • SSDEEP

    12288:Jgd17zhq7w12vhi/GyjKaE3nbo7I0BR8M1QmjlTv/Qnkp2xG0uCLjP7I+Tet:qdBs8AKG8KXYIwuUjh3RAM07I/t

Malware Config

Extracted

Family

remcos

Botnet

APPO

C2

pronpostavka.com:2559

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

    chrome-EZMR6Q

  • 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

      RFQ-3009004410.exe

    • Size

      993KB

    • MD5

      de0e89cad67394ce9ca3b69a3e3a6171

    • SHA1

      d210937270d631d0bd076b5b476c69d92ea14b86

    • SHA256

      ef3b677af046e5f3c098b7eb8a1938a3b22dca2710323b53deaf1b51e41e25d2

    • SHA512

      f4e9e9f7792ded7f1d69dea6b8d13858083c77c2cccbc185fe78f8db8b7374ad1cdb4e0d9b8a507146dc1df2039644f6fa050b30e1d199ac6d300d067e27d91e

    • SSDEEP

      24576:XX4e76n+SLsgBBHfnKlMBJF2RMbGJcrb9A68sA5fUxptFf2:XXBABBHClMPFweGOrhf2EBe

    • 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 to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks