General

  • Target

    vlz.exe

  • Size

    335KB

  • Sample

    250126-h7srwsxjgn

  • MD5

    1c3d5b401cebef06499718e000aa6c2b

  • SHA1

    2f337e0fe1562aea14c4256afd47bce049e79f3c

  • SHA256

    aa3dabbac106353d10a29feef610256139771ae6bd70c86204623fc827dcb659

  • SHA512

    f7d069f73b7b423123352ce100668608ae430151ceeddc0df542508b93ce7c4c3310bda4e8488888d9f425dfd26c0db4bd8070f0128697d23ffd44fdfdb42093

  • SSDEEP

    6144:vWQLUqb9Bh+GIIIIIIIhIIIIIIIIIIIIIIIU:XLHBa

Malware Config

Extracted

Family

xworm

C2

its-definitely.gl.at.ply.gg:32735

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      vlz.exe

    • Size

      335KB

    • MD5

      1c3d5b401cebef06499718e000aa6c2b

    • SHA1

      2f337e0fe1562aea14c4256afd47bce049e79f3c

    • SHA256

      aa3dabbac106353d10a29feef610256139771ae6bd70c86204623fc827dcb659

    • SHA512

      f7d069f73b7b423123352ce100668608ae430151ceeddc0df542508b93ce7c4c3310bda4e8488888d9f425dfd26c0db4bd8070f0128697d23ffd44fdfdb42093

    • SSDEEP

      6144:vWQLUqb9Bh+GIIIIIIIhIIIIIIIIIIIIIIIU:XLHBa

    • 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

    • 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