General

  • Target
    Get_Link.txt
  • Size 137B
  • Sample260705-22l7psbz6n
  • SHA256 c8150a487df2b6b892c09634f7b586a349d6a79ef7473748d80d787ee07d7e85
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      Get_Link.txt
    • Size 137B
    • SHA256 c8150a487df2b6b892c09634f7b586a349d6a79ef7473748d80d787ee07d7e85
    • MD5 SHA1 SHA512 TLSH
    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Renames multiple (460) files with added filename extension

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks