General

  • Target
    c4cefa952708b380283b5d0ea62154bb211933f523532d4f3d14f309c63b88aa.bin
  • Size 226KB
  • Sample260815-nffwxawsbw
  • SHA256 c4cefa952708b380283b5d0ea62154bb211933f523532d4f3d14f309c63b88aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V5.6

C2
  • golda17-54620.portmap.host:54620

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Runtime Broker.exe

Targets

    • Target
      c4cefa952708b380283b5d0ea62154bb211933f523532d4f3d14f309c63b88aa.bin
    • Size 226KB
    • SHA256 c4cefa952708b380283b5d0ea62154bb211933f523532d4f3d14f309c63b88aa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 dropped EXE

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v16

Tasks