General

  • Target
    backrooms_builds.glb
  • Size 10.4MB
  • Sample260705-bv146sby6j
  • SHA256 9a23eedae61238b565c4e7bc3ff4b516314e9b7e84d35b03336aeb7c83321218
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      backrooms_builds.glb
    • Size 10.4MB
    • SHA256 9a23eedae61238b565c4e7bc3ff4b516314e9b7e84d35b03336aeb7c83321218
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Boot or Logon Autostart Execution: Active Setup

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

    • Downloads MZ/PE file

    • 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.

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks