Extracted

• • Target

    Windows_Security_Patch_KB5021130.exe

  • Size

    618KB

  • MD5

    4b7cb7621606abd6ffb6d38bafafb8e9

  • SHA1

    831c1c044cdf6515ce3444444242015e8b52271f

  • SHA256

    1744bcc45c4af593d5f3a72c972bc86d1158fb3408fe03db2d80d28b2c51d7c8

  • SHA512

    98437691db7c50e50ece2de7caffddfe6a5bcb17af69754377bfbb195865a1362df6e911dfd6b7c9ebb17f98fae27c743a8518dc9348bcc10962f53e87e89d3a

  • SSDEEP

    12288:BrtxWWIHuw2W41RfGx6UL7Uhd9BKcaQID8G3e3JgFaX:BanHubW4DfGUtKcadQ3JO0

  Score

  10^/10

  remcosgooglegroupaccount2collectiondiscoverypersistenceratspywarestealer

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos

  • Remcos family

    remcos

  • 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

  • Downloads MZ/PE file

  • Checks computer location settings

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

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Accesses Microsoft Outlook accounts

    collection

  • Adds Run key to start application

    persistence

  • Suspicious use of SetThreadContext

  behavioral1behavioral2