General

  • Target

    https://github.com/charlie-60/NJRAT-ALL/tree/39cad8d74d03b737b0fc3a164d651be5d8b0ab6f

  • Sample

    241223-nbn2qaynfy

Malware Config

Extracted

Family

xworm

Attributes
  • install_file

    Mason.exe

aes.plain

Targets

    • Target

      https://github.com/charlie-60/NJRAT-ALL/tree/39cad8d74d03b737b0fc3a164d651be5d8b0ab6f

    • Detect Neshta payload

    • Detect Xworm Payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Neshta family

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks