General

  • Target
    a94fa23474bd3f64442455765bd9249917c259020ee897ada5f948891b99c9bcN
  • Size 4.3MB
  • Sample241109-nl5gfstdkq
  • SHA256 a94fa23474bd3f64442455765bd9249917c259020ee897ada5f948891b99c9bc
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      a94fa23474bd3f64442455765bd9249917c259020ee897ada5f948891b99c9bcN
    • Size 4.3MB
    • SHA256 a94fa23474bd3f64442455765bd9249917c259020ee897ada5f948891b99c9bc
    • MD5 SHA1 SHA512 SSDEEP
    • Floxif family

    • Floxif, Floodfix

      Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

    • Detects Floxif payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Possible privilege escalation attempt

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

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

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks