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General

  • Target

    https://sites.google.com/view/nextz

  • Sample

    250309-nykmtaz1g1

Malware Config

Extracted

Family

lumma

Extracted

Family

xworm

Version

3.1

Mutex

aC2Uqwxt1JZnqhmD

Attributes
  • Install_directory

    %Port%

  • install_file

    explorer.exe

  • pastebin_url

    https://pastebin.com/raw/jkeHBv0w

aes.plain

Targets

    • Target

      https://sites.google.com/view/nextz

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • 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.

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks