General

  • Target
    MBSetup-3.3.exe
  • Size 2.7MB
  • Sample260702-2x2rlags7v
  • SHA256 0385b06957b7f5b2c3c7132f8ebd8414f64f00407ea2baf07acbffa8d6eca334
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      MBSetup-3.3.exe
    • Size 2.7MB
    • SHA256 0385b06957b7f5b2c3c7132f8ebd8414f64f00407ea2baf07acbffa8d6eca334
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Impair Defenses: Safe Mode Boot

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

MITRE ATT&CK Enterprise v16

Tasks