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General

  • Target

    cc67b8be8fc325cf915731f69dd2c36d77c12ea1819726e70ed57170fafd1722.vbs

  • Size

    114KB

  • Sample

    240809-b11etsvamp

  • MD5

    ccde7ef0e90a5a62394fafe77c7eff7e

  • SHA1

    197cbc0c7ab873fd02bf2b8a3a17d7b0f44bb003

  • SHA256

    cc67b8be8fc325cf915731f69dd2c36d77c12ea1819726e70ed57170fafd1722

  • SHA512

    047baeb2e3d183605346025f86df3042f596bd2505adf7597ffb2fd972acf9db6bd62d03a3f9b52c9a9ffabca743d5e3c359a5a12fc79a3d6e93fdc8d7930dfe

  • SSDEEP

    1536:FkLcccOgt5pzGUGwIaymHVUJW4Wrle/PhG+/kery+bG8:8gt5pjGwIaymHdS7b

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://servidorwindows.ddns.com.br/Files/vbs.jpeg

exe.dropper

http://servidorwindows.ddns.com.br/Files/vbs.jpeg

Extracted

Family

remcos

Botnet

RemoteHost

C2

host.wemnbbsweoipmngbyutrdcunbgrtjeroendns.pro:26734

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

    word

  • keylog_path

    %Temp%

  • mouse_option

    false

  • mutex

    Rmc-5W5YKY

  • 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

      cc67b8be8fc325cf915731f69dd2c36d77c12ea1819726e70ed57170fafd1722.vbs

    • Size

      114KB

    • MD5

      ccde7ef0e90a5a62394fafe77c7eff7e

    • SHA1

      197cbc0c7ab873fd02bf2b8a3a17d7b0f44bb003

    • SHA256

      cc67b8be8fc325cf915731f69dd2c36d77c12ea1819726e70ed57170fafd1722

    • SHA512

      047baeb2e3d183605346025f86df3042f596bd2505adf7597ffb2fd972acf9db6bd62d03a3f9b52c9a9ffabca743d5e3c359a5a12fc79a3d6e93fdc8d7930dfe

    • SSDEEP

      1536:FkLcccOgt5pzGUGwIaymHVUJW4Wrle/PhG+/kery+bG8:8gt5pjGwIaymHdS7b

    • 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

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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