General

  • Target

    New Project 1.exe

  • Size

    3.5MB

  • Sample

    240511-s56k3sea2x

  • MD5

    6040d1f2abfc3de0cd8d04b3b61174d7

  • SHA1

    79ab1aabd91d4db4230f7c7b81b2d45623499b9f

  • SHA256

    f8333f9bc1f5af4291b29c30ab5487191b3adf0ccc9d13c368604fd7c8eba9c0

  • SHA512

    0670f7c11d2b2a8a1d06141b976ebec8ffeefba16ac48e55ba6391153ddb46992d9186deb1cc070646884eea899e88d117b65d3c4cb71da4189175bc2256b9c1

  • SSDEEP

    49152:jojM1UPgonMREWp2ksAzOUiBs+aMnUrDYVxM2Zt9kdtv4l:jGakRu2krzLT+aHrDYTM2X9ctQl

Malware Config

Extracted

Family

xworm

C2

0.tcp.ngrok.io:12638

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    svchost.exe

Targets

    • Target

      New Project 1.exe

    • Size

      3.5MB

    • MD5

      6040d1f2abfc3de0cd8d04b3b61174d7

    • SHA1

      79ab1aabd91d4db4230f7c7b81b2d45623499b9f

    • SHA256

      f8333f9bc1f5af4291b29c30ab5487191b3adf0ccc9d13c368604fd7c8eba9c0

    • SHA512

      0670f7c11d2b2a8a1d06141b976ebec8ffeefba16ac48e55ba6391153ddb46992d9186deb1cc070646884eea899e88d117b65d3c4cb71da4189175bc2256b9c1

    • SSDEEP

      49152:jojM1UPgonMREWp2ksAzOUiBs+aMnUrDYVxM2Zt9kdtv4l:jGakRu2krzLT+aHrDYTM2X9ctQl

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • 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

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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