General

  • Target
    kdmapper.exe
  • Size 254KB
  • Sample240520-atts2abc8z
  • SHA256 a8d80919d86fec3e163f03f55f10fc0597d1605c230c44d5b39d93c7f35fbb5c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 45.88.90.228:7000

  • 178.215.236.228:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    RtkAudUService64.exe

Targets

    • Target
      kdmapper.exe
    • Size 254KB
    • SHA256 a8d80919d86fec3e163f03f55f10fc0597d1605c230c44d5b39d93c7f35fbb5c
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Neshta payload

    • Detect Xworm Payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • 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.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Modifies system executable filetype association

    • 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

    • 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