Resubmissions

21-09-2024 19:36

240921-ya9xxayhnf 10

21-09-2024 18:56

240921-xla3aaxglh 10

General

  • Target

    XRATClient.exe

  • Size

    354KB

  • Sample

    240921-xla3aaxglh

  • MD5

    561def00a7bcf0e79729aaa63a0ca655

  • SHA1

    a0490d9a12b0e125889b11ab6880a75b9f56cf1b

  • SHA256

    6fa4e5b526be2acf1ea59d961cf62590c1e438745b0cd9180c45e86a4d637ae1

  • SHA512

    d9f1909080e51acb48f3dd724343c4721ea891e54e46d8e5fe5f390112d8f4f96c9455c9347be24d4f6c94c03dd6c6d549be5ccafbc0d2db98a50ef2589ff525

  • SSDEEP

    3072:TcKLbgaYXPPfUvubWxU5ImSO2qqk4dGR:Tc5a238mb

Malware Config

Extracted

Family

xworm

C2

germany-notice.gl.at.ply.gg:54909

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XRATClient.exe

    • Size

      354KB

    • MD5

      561def00a7bcf0e79729aaa63a0ca655

    • SHA1

      a0490d9a12b0e125889b11ab6880a75b9f56cf1b

    • SHA256

      6fa4e5b526be2acf1ea59d961cf62590c1e438745b0cd9180c45e86a4d637ae1

    • SHA512

      d9f1909080e51acb48f3dd724343c4721ea891e54e46d8e5fe5f390112d8f4f96c9455c9347be24d4f6c94c03dd6c6d549be5ccafbc0d2db98a50ef2589ff525

    • SSDEEP

      3072:TcKLbgaYXPPfUvubWxU5ImSO2qqk4dGR:Tc5a238mb

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • XenArmor Suite

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

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Disables RegEdit via registry modification

    • Modifies Windows Firewall

    • 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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks