General

  • Target
    2026-10-26_c82f87a09efe6f773cd0ce646d921fb5_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
  • Size 406KB
  • Sample261027-hslp2abs31
  • SHA256 87d9f88d6346ecf87e02f0fd5e1a9e59d740ddae665696ed5f26280b25d6e7ae
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/Fxzr3jeT

Targets

    • Target
      2026-10-26_c82f87a09efe6f773cd0ce646d921fb5_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
    • Size 406KB
    • SHA256 87d9f88d6346ecf87e02f0fd5e1a9e59d740ddae665696ed5f26280b25d6e7ae
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Custom signature

      Detects Windows executables referencing non-Windows User-Agents

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Adds Run key to start application

    • Contacts third-party web service commonly abused for C2

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

MITRE ATT&CK Enterprise v16

Tasks