General

  • Target
    22062026_1232_17062026_Doc3008389937882.rar
  • Size 872KB
  • Sample260707-sefa7sfy4x
  • SHA256 012fb7b127d20c206a5f85923549f709764516649f937549165f7ef762d77613
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Doc 3008389937882.exe
    • Size 946KB
    • SHA256 4081ef22d739bb9238171ab6d1b48a6bb18f44f964ebc7cb5e9cdea49d1f00c6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
    • 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.

MITRE ATT&CK Enterprise v16

Tasks