General

  • Target

    Uzi - Virtualizer.exe

  • Size

    1.5MB

  • Sample

    250118-wlbhdazlas

  • MD5

    19e10caeb8e008c60153b2b2a6702da1

  • SHA1

    0919cc85e5a5a947ca6f335e6bc22f945f210e40

  • SHA256

    1bbed9ce42fa9fc59da66af162fb7b5b13bfba8a197b8b81c32d780e3e6dab83

  • SHA512

    c6c2eff95674ebb581dfedb383dbd551e5bb5db8e57302e3dd6ec8c122e73266d4cc779576dda57c17cbea87ead50039e418493788bcb3548a0d4834e6058616

  • SSDEEP

    49152:ATg85+uqK7elPJFjvPmp8ke3oZg9yClEWpSCFLHypui:Ur5+lq6/jWp8ke3oZgYudLHy

Malware Config

Extracted

Family

xworm

C2

road-stars.gl.at.ply.gg:55299

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Targets

    • Target

      Uzi - Virtualizer.exe

    • Size

      1.5MB

    • MD5

      19e10caeb8e008c60153b2b2a6702da1

    • SHA1

      0919cc85e5a5a947ca6f335e6bc22f945f210e40

    • SHA256

      1bbed9ce42fa9fc59da66af162fb7b5b13bfba8a197b8b81c32d780e3e6dab83

    • SHA512

      c6c2eff95674ebb581dfedb383dbd551e5bb5db8e57302e3dd6ec8c122e73266d4cc779576dda57c17cbea87ead50039e418493788bcb3548a0d4834e6058616

    • SSDEEP

      49152:ATg85+uqK7elPJFjvPmp8ke3oZg9yClEWpSCFLHypui:Ur5+lq6/jWp8ke3oZgYudLHy

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v15

Tasks