General

  • Target

    expensive.exe

  • Size

    77KB

  • Sample

    240823-wxjm5ayeqg

  • MD5

    998b39330740867ac8c6caf7223a8810

  • SHA1

    c7b6233aea54a9b552e76dcea65c7ad9bd73aadf

  • SHA256

    f46b3855107a51e31315403e355801a1acf6cb80fe3109fa2c1d479187e77e17

  • SHA512

    a78da51a9198c641fc215b0e7ae643b564100cce0e5b2abd325a152a4477027af3e78dc362989ffc8075a2544cab9e8f111c63a2a5c1244a8693bd039c3b5ad0

  • SSDEEP

    1536:wC49pWSOaKy7GA/QqyGpfD5C6WbfxPgqupiF6n5xGOuePaYK:s/Wf8/zyGpf96bfJg6g5xGOpP3K

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:17570

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      expensive.exe

    • Size

      77KB

    • MD5

      998b39330740867ac8c6caf7223a8810

    • SHA1

      c7b6233aea54a9b552e76dcea65c7ad9bd73aadf

    • SHA256

      f46b3855107a51e31315403e355801a1acf6cb80fe3109fa2c1d479187e77e17

    • SHA512

      a78da51a9198c641fc215b0e7ae643b564100cce0e5b2abd325a152a4477027af3e78dc362989ffc8075a2544cab9e8f111c63a2a5c1244a8693bd039c3b5ad0

    • SSDEEP

      1536:wC49pWSOaKy7GA/QqyGpfD5C6WbfxPgqupiF6n5xGOuePaYK:s/Wf8/zyGpf96bfJg6g5xGOpP3K

    • 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.

    • Drops startup file

    • 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