General

  • Target
    Anti.exe
  • Size 1.3MB
  • Sample240724-vaqbqazard
  • SHA256 90f4439d21fcc5c6ce3ef92098aa4d7fbb782d93905a56bddf623edbe5d91d8c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • main-although.gl.at.ply.gg:30970

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target
      Anti.exe
    • Size 1.3MB
    • SHA256 90f4439d21fcc5c6ce3ef92098aa4d7fbb782d93905a56bddf623edbe5d91d8c
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Xworm Payload

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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