General

  • Target
    Salary_Increase_Sheet.zip
  • Size 262KB
  • Sample260910-pssa5scl7w
  • SHA256 a853d305a3ca55138f9d1ad78e0991cb5bcdfb4e45e42873e46a88e74cc71c8b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Salary_Increase_Sheet-Pdf.bat
    • Size 291KB
    • SHA256 c2c92d04719006818e5ddddece2df924dfbd1b8441ec4a43aca487c876538d19
    • 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 NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks