Overview

overview

10

Static

static

10

KVRT.exe

windows7-x64

KVRT.exe

windows10-2004-x64

Sharing

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General

  • Target
    KVRT.exe
  • Size 95KB
  • Sample240531-dps8gsec37
  • SHA256 209e122072c202f0e7663407dbfb6c99774360ee736fcaad8a6998adbb06224e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • 127.0.0.1:40971

  • us3.localto.net:40971

  • Name1442-40971.portmap.host:40971

Attributes
  • Install_directory

    %Temp%

  • install_file

    KVRT.exe

  • telegram

    https://api.telegram.org/bot6916721041:AAGsGXyaplDWQ9HJlE88Z36KtBFClSB3E20

Targets

    • Target
      KVRT.exe
    • Size 95KB
    • SHA256 209e122072c202f0e7663407dbfb6c99774360ee736fcaad8a6998adbb06224e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks