General

  • Target

    https://github.com/NeobloxExecutor/neoblox/releases/download/v6.1/Neoblox_Bootstrapper.zip

  • Sample

    250130-x762vasnan

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

jrutcxTxqD08SKSB

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    OneDrive.exe

  • pastebin_url

    https://pastebin.com/raw/RPPi3ByL

aes.plain
aes.plain
aes.plain

Extracted

Family

stealerium

C2

https://api.telegram.org/bot7204924753:AAFaqmmBR9ybp4-iE8BA2YCiFNUbOEd0Ljk/sendMessage?chat_id=

Attributes

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7204924753:AAFaqmmBR9ybp4-iE8BA2YCiFNUbOEd0Ljk/getM

Targets

    • Target

      https://github.com/NeobloxExecutor/neoblox/releases/download/v6.1/Neoblox_Bootstrapper.zip

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

    • Stealerium 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.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • 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.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Legitimate hosting services abused for malware hosting/C2

    • Probable phishing domain

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks