General

  • Target

    a3801bf12770503f6665ffd804fe80b0861091b0bda11a120810f9317275c034

  • Size

    81KB

  • Sample

    241204-bqmqzszlaq

  • MD5

    156bf10e2547694821aef2fb2c6e3c12

  • SHA1

    747585d95dc64571178f4551f521b7ceacce97c3

  • SHA256

    a3801bf12770503f6665ffd804fe80b0861091b0bda11a120810f9317275c034

  • SHA512

    d0a91dfa291e5c02eb767c55597e97d7efd30314282de3c8fe716fba778bc76d172d3e9154dfb58b4b70b40e73909a50a0bd683848dbc1c9a2c5fe460ed1bdf0

  • SSDEEP

    1536:RIuVj3IAXiZYzegei1sZZ9oQ7u6Etr0bEgCZTq6fxuOu3PUkZ6Or4uZ:xNIAXlLCiiu6EabEvJuOu3/oOrdZ

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7777

45.200.148.238:7777

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    XClient.exe

Targets

    • Target

      a3801bf12770503f6665ffd804fe80b0861091b0bda11a120810f9317275c034

    • Size

      81KB

    • MD5

      156bf10e2547694821aef2fb2c6e3c12

    • SHA1

      747585d95dc64571178f4551f521b7ceacce97c3

    • SHA256

      a3801bf12770503f6665ffd804fe80b0861091b0bda11a120810f9317275c034

    • SHA512

      d0a91dfa291e5c02eb767c55597e97d7efd30314282de3c8fe716fba778bc76d172d3e9154dfb58b4b70b40e73909a50a0bd683848dbc1c9a2c5fe460ed1bdf0

    • SSDEEP

      1536:RIuVj3IAXiZYzegei1sZZ9oQ7u6Etr0bEgCZTq6fxuOu3PUkZ6Or4uZ:xNIAXlLCiiu6EabEvJuOu3/oOrdZ

    • 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

    • 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