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General

  • Target

    https://www.mediafire.com/folder/kkoutc87ykjal/C0D3X17

  • Sample

    250204-t36nqstpbr

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

1VeDwfujGeaxOsgJ

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      https://www.mediafire.com/folder/kkoutc87ykjal/C0D3X17

    • Detect Xworm Payload

    • Njrat family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Download via BitsAdmin

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks