General

  • Target
    XBinderOutput.exe
  • Size 259KB
  • Sample260910-prq2pack9z
  • SHA256 aa69ad20f4c67ddfc408d30942832262829a9006278cf26beec84c721b4e8352
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xbinder

Mutex
  • TvcLkDRzHAGHR7FEv

Attributes
  • primary_drop_directory

    %Temp%

  • primary_execute

    true

  • primary_hidden_file

    false

  • primary_resource_name

    stiller.exe

  • secondary_drop_directory

    %Temp%

  • secondary_execute

    true

  • secondary_hidden_file

    false

  • secondary_resource_name

    XClient.exe

Extracted

Family
  • xworm

C2
  • portmapper222-61558.portmap.host:61558

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target
      XBinderOutput.exe
    • Size 259KB
    • SHA256 aa69ad20f4c67ddfc408d30942832262829a9006278cf26beec84c721b4e8352
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: XBinder

      XBinder is a crypter and loader delivering a wide variety of malware, written in C#.

    • 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.

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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