General

  • Target
    jaffacakes118_Trojan-Spy.Win32.TheRat.eu.f8ffd2ab0f7532ed0b925a8c0846a05d
  • Size 3.1MB
  • Sample261018-24tdssda39
  • SHA256 6e65e0116ca91fa444dbc833d801d1446b74f21513ae42286f51d8744eadca7a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      jaffacakes118_Trojan-Spy.Win32.TheRat.eu.f8ffd2ab0f7532ed0b925a8c0846a05d
    • Size 3.1MB
    • SHA256 6e65e0116ca91fa444dbc833d801d1446b74f21513ae42286f51d8744eadca7a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Server Software Component: Terminal Services DLL

    • Allows Network login with blank passwords

      Allows local user accounts with blank passwords to access device from the network.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Modifies WinLogon

    • Network Share Discovery

      Attempt to gather information on host network.

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks