General

  • Target

    aimwhere_steam_module.exe

  • Size

    78KB

  • Sample

    240530-myj6lseg4t

  • MD5

    f200833ce65e1dc078cec47227c0fd19

  • SHA1

    6676c2ab005e976245f646e9d8255f383b9d8a74

  • SHA256

    8e81cad20a55301586d986a1d15c9e822f807453e1dec2e9a5c82af59167a8f7

  • SHA512

    3c3588671d53b0d316fd4460915466686ca083bba69cba165f55da49f9e1f94c1d89c3041a3d71c5cc66a78144f26c20554d8878c8bc43c6f4b10f2beea057dd

  • SSDEEP

    1536:Ma7N2sxomcA2cfcCsPruA6mvFNHbw78jl0ZQ0h1m6m3rcMOl4KJ:4LcECKrupkjbwgMQ0SXOiO

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:4040

Attributes
  • Install_directory

    %Temp%

  • install_file

    XClient.exe

Targets

    • Target

      aimwhere_steam_module.exe

    • Size

      78KB

    • MD5

      f200833ce65e1dc078cec47227c0fd19

    • SHA1

      6676c2ab005e976245f646e9d8255f383b9d8a74

    • SHA256

      8e81cad20a55301586d986a1d15c9e822f807453e1dec2e9a5c82af59167a8f7

    • SHA512

      3c3588671d53b0d316fd4460915466686ca083bba69cba165f55da49f9e1f94c1d89c3041a3d71c5cc66a78144f26c20554d8878c8bc43c6f4b10f2beea057dd

    • SSDEEP

      1536:Ma7N2sxomcA2cfcCsPruA6mvFNHbw78jl0ZQ0h1m6m3rcMOl4KJ:4LcECKrupkjbwgMQ0SXOiO

    • 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.

    • 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