General

  • Target

    NEXUS MULTI TOOL COMEBACK.exe

  • Size

    9.7MB

  • Sample

    241109-s2kt7swmcz

  • MD5

    cd65d3bad3a37d4dd85b95ddd6bcfe09

  • SHA1

    1509122389d11f5fa0511544feace0fb42681f5e

  • SHA256

    59529f95dc9a1b17af941ecf2543d611dbbf658a816966748d1959c88adf3512

  • SHA512

    2d98fc40b0c21350594675f8e8e8186d4f017eb5a1519fb8b15b5646c7818d9f0a91e109f126ede4d9215617b49d244dc2e7000053f876afd6ffab32126d579d

  • SSDEEP

    196608:eB3QIp2Bp4fhMw+Ebd0iji6nxg3IO0B/BngQSlbHZAlB7/e3:emIkBp4fhfoijiUxcI/UQQHZAH

Malware Config

Extracted

Family

xworm

C2

foreign-olympic.gl.at.ply.gg:99

147.185.221.23:99

127.0.0.1:99

foreign-olympic.gl.at.ply.gg:21710

147.185.221.23:21710

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7517837255:AAFFYwsM3RAJTfnCWwagMLHeBQRG-F4UScg/sendMessage?chat_id=7538845070

Targets

    • Target

      NEXUS MULTI TOOL COMEBACK.exe

    • Size

      9.7MB

    • MD5

      cd65d3bad3a37d4dd85b95ddd6bcfe09

    • SHA1

      1509122389d11f5fa0511544feace0fb42681f5e

    • SHA256

      59529f95dc9a1b17af941ecf2543d611dbbf658a816966748d1959c88adf3512

    • SHA512

      2d98fc40b0c21350594675f8e8e8186d4f017eb5a1519fb8b15b5646c7818d9f0a91e109f126ede4d9215617b49d244dc2e7000053f876afd6ffab32126d579d

    • SSDEEP

      196608:eB3QIp2Bp4fhMw+Ebd0iji6nxg3IO0B/BngQSlbHZAlB7/e3:emIkBp4fhfoijiUxcI/UQQHZAH

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks