General

  • Target
    xtswpssxti2.65.msi
  • Size 66.3MB
  • Sample251207-entcjady7f
  • SHA256 7637a316f0b40eedb840ad41a3e56db7b9432b54c03508774d99747ec44a85f1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • fatalrat

C2
  • a23.nbdsnb2.top

Targets

    • Target
      xtswpssxti2.65.msi
    • Size 66.3MB
    • SHA256 7637a316f0b40eedb840ad41a3e56db7b9432b54c03508774d99747ec44a85f1
    • MD5 SHA1 SHA512 SSDEEP
    • Fatal Rat payload

    • FatalRat

      FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

    • Fatalrat family

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks