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General

  • Target

    https://cdn.discordapp.com/attachments/1296491383435296818/1331574935260233778/yes.bat?ex=67921d4c&is=6790cbcc&hm=72c63038324740a7d98f634076c94f75518148e399dec3af1bc10e45781f6f8e&

  • Sample

    250122-ms1leatjep

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:23484

searches-jimmy.gl.at.ply.gg:23484

Attributes
  • install_file

    USB.exe

Targets

    • Target

      https://cdn.discordapp.com/attachments/1296491383435296818/1331574935260233778/yes.bat?ex=67921d4c&is=6790cbcc&hm=72c63038324740a7d98f634076c94f75518148e399dec3af1bc10e45781f6f8e&

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Executes dropped EXE

    • Deobfuscate/Decode Files or Information

      Payload decoded via CertUtil.

    • Drops desktop.ini file(s)

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks