General

  • Target

    https://cdn.discordapp.com/attachments/1270264454394810408/1277635356874903675/Guna.UI2.zip?ex=66cde226&is=66cc90a6&hm=049b07351a3707b1f9fc6f2f69f9d8aac8242edc7fccdab28cf341b436be75f7&

  • Sample

    240826-ss3cws1bpb

Malware Config

Extracted

Family

xworm

Version

5.0

C2

147.185.221.21:56936

Mutex

n0N6IPW0T59PHntz

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    Windows Host Proccess.exe

aes.plain

Targets

    • Target

      https://cdn.discordapp.com/attachments/1270264454394810408/1277635356874903675/Guna.UI2.zip?ex=66cde226&is=66cc90a6&hm=049b07351a3707b1f9fc6f2f69f9d8aac8242edc7fccdab28cf341b436be75f7&

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks