General

  • Target
    destructive_wiper.exe
  • Size 208KB
  • Sample260913-lc4gpavflg
  • SHA256 08f041d149988816f553cb94227bfda0a4ca2e406ff6d36521c6cc8b4485429e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      destructive_wiper.exe
    • Size 208KB
    • SHA256 08f041d149988816f553cb94227bfda0a4ca2e406ff6d36521c6cc8b4485429e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Boot or Logon Autostart Execution: Active Setup

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

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • 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 autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

MITRE ATT&CK Enterprise v16

Tasks