General

  • Target
    BlackSuit.bat
  • Size 568KB
  • Sample260826-b9vwpsbd59
  • SHA256 356509751efd62fec782153948c0d1c69b2f08b976c562c5bc6e8216a7e6f689
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      BlackSuit.bat
    • Size 568KB
    • SHA256 356509751efd62fec782153948c0d1c69b2f08b976c562c5bc6e8216a7e6f689
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (10052) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Creates new service(s)

    • Stops running service(s)

    • Drops desktop.ini file(s)

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

MITRE ATT&CK Enterprise v16

Tasks