General

  • Target
    2026-10-11_a3d19e32087b0a734a10721d8e516b56_amadey_cobalt-strike_glassworm_hellokitty_hijackloader_icedid_luca-stealer_njrat_ryuk_satacom_smoke-loader_stealc_vidar_xworm
  • Size 546KB
  • Sample261012-rl4rpsbs7x
  • SHA256 45041878876bbe6f52d1157b5e7d8b0b3387e6eae49cec000a33b0f803b35f4b
  • 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
      2026-10-11_a3d19e32087b0a734a10721d8e516b56_amadey_cobalt-strike_glassworm_hellokitty_hijackloader_icedid_luca-stealer_njrat_ryuk_satacom_smoke-loader_stealc_vidar_xworm
    • Size 546KB
    • SHA256 45041878876bbe6f52d1157b5e7d8b0b3387e6eae49cec000a33b0f803b35f4b
    • 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