General

  • Target

    f0d99388ad3f8c9d1dfa1c1f21009f2119519236588b3949854eb9dc6ca44da6.exe

  • Size

    7.7MB

  • Sample

    250119-fqccgawph1

  • MD5

    6f0da64ec09a64c1023210601daebd47

  • SHA1

    8a3f884823e2e0f6812815daaa2649f3d265fddf

  • SHA256

    f0d99388ad3f8c9d1dfa1c1f21009f2119519236588b3949854eb9dc6ca44da6

  • SHA512

    395785cd5906b1abb95fe5ae8a78baafeeea4a7cbb66e7a6c60c927e33e185886cd8ee95fed308a2268b94f005c49ec1589381cf9f4b3911bb5232d38380f78f

  • SSDEEP

    196608:h6GGgRJEK4OCORRpwPtYGfQeK6a/Js6N8imDg+BIu3jpx4hT:8GGoRRI2ht/Js6N83n1jpx8T

Malware Config

Extracted

Family

xworm

C2

indian-tall.gl.at.ply.gg:65520

Attributes
  • Install_directory

    %AppData%

  • install_file

    keyauth.exe

Targets

    • Target

      f0d99388ad3f8c9d1dfa1c1f21009f2119519236588b3949854eb9dc6ca44da6.exe

    • Size

      7.7MB

    • MD5

      6f0da64ec09a64c1023210601daebd47

    • SHA1

      8a3f884823e2e0f6812815daaa2649f3d265fddf

    • SHA256

      f0d99388ad3f8c9d1dfa1c1f21009f2119519236588b3949854eb9dc6ca44da6

    • SHA512

      395785cd5906b1abb95fe5ae8a78baafeeea4a7cbb66e7a6c60c927e33e185886cd8ee95fed308a2268b94f005c49ec1589381cf9f4b3911bb5232d38380f78f

    • SSDEEP

      196608:h6GGgRJEK4OCORRpwPtYGfQeK6a/Js6N8imDg+BIu3jpx4hT:8GGoRRI2ht/Js6N83n1jpx8T

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks