General

  • Target
    Vyrix.win External.exe
  • Size 672KB
  • Sample260809-dtmaqsyhpc
  • SHA256 0d147311955ec99a912e118ec710b6f373bbb30938a3323ea0d6b55bc720847f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Vyrix.win External.exe
    • Size 672KB
    • SHA256 0d147311955ec99a912e118ec710b6f373bbb30938a3323ea0d6b55bc720847f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • 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.

    • 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