General

  • Target
    2026-09-30_763632bf3d46dee62a20ebc884a90e52_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
  • Size 377KB
  • Sample260930-memgmace47
  • SHA256 e1c48be2d2e81d58b3425378f977471503a5a149cbd289a4bc2ebd5864a0aac7
  • 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
      2026-09-30_763632bf3d46dee62a20ebc884a90e52_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
    • Size 377KB
    • SHA256 e1c48be2d2e81d58b3425378f977471503a5a149cbd289a4bc2ebd5864a0aac7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • 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