General

  • Target
    2026-05-23_f4402ee29cea3b79688eee086cf8422c_conti
  • Size 59KB
  • Sample260523-ev5ddacx8l
  • SHA256 b7f0df0178f49612192f96821876d7b1de06e3d7813e79527df9ce85e56e903b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

C2
  • nightfall-59475.portmap.host:4

  • 10.9.222.222:4

  • 31.57.97.169:4

Attributes
  • Install_directory

    %Temp%

  • install_file

    ShellHost.exe

  • localhost

    127.0.0.1

Targets

    • Target
      2026-05-23_f4402ee29cea3b79688eee086cf8422c_conti
    • Size 59KB
    • SHA256 b7f0df0178f49612192f96821876d7b1de06e3d7813e79527df9ce85e56e903b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Detects Windows executables referencing non-Windows User-Agents

    • UPX dump on OEP (original entry point)

    • Drops startup file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks