General

  • Target

    e7da9da76702fefa71e67e7c2d67eb70N.exe

  • Size

    953KB

  • Sample

    240903-wcwf7asdkp

  • MD5

    e7da9da76702fefa71e67e7c2d67eb70

  • SHA1

    c97603e9070393fa9bb56e8674512cde49bfe444

  • SHA256

    84bb8bba33e1a515260b02421d72da6ad0d685d432c64c572a230337dca28c54

  • SHA512

    37a6f8be2cc4835a4bb15d5e4f86d1c9390cb94480642dfee08210640e679d694a8031fbd68d8ec1b84f8d4ff01ad33794562ec1456c262a4d10bc4fd483fd4c

  • SSDEEP

    24576:B0R6OKfNjIxTUYFb5rTGx+Up4/r6HOzHEEg5d:eGfqV5t5rKTa/9HEV

Malware Config

Extracted

Family

remcos

Botnet

blvinc

C2

blv23728.ddns.net:1973

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-NGC4XU

  • 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

      e7da9da76702fefa71e67e7c2d67eb70N.exe

    • Size

      953KB

    • MD5

      e7da9da76702fefa71e67e7c2d67eb70

    • SHA1

      c97603e9070393fa9bb56e8674512cde49bfe444

    • SHA256

      84bb8bba33e1a515260b02421d72da6ad0d685d432c64c572a230337dca28c54

    • SHA512

      37a6f8be2cc4835a4bb15d5e4f86d1c9390cb94480642dfee08210640e679d694a8031fbd68d8ec1b84f8d4ff01ad33794562ec1456c262a4d10bc4fd483fd4c

    • SSDEEP

      24576:B0R6OKfNjIxTUYFb5rTGx+Up4/r6HOzHEEg5d:eGfqV5t5rKTa/9HEV

    • 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