General

  • Target
    XClient.exe
  • Size 102KB
  • Sample240518-ykdbpace2s
  • SHA256 338c220997baa0485c25470cde2f7c2d4ef75160eb873192a5365a2e0e8f715c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • subjects-handbook.gl.at.ply.gg:56071

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target
      XClient.exe
    • Size 102KB
    • SHA256 338c220997baa0485c25470cde2f7c2d4ef75160eb873192a5365a2e0e8f715c
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Umbral payload

    • Detect Xworm Payload

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • ModiLoader Second Stage

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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