General

  • Target

    XClient.exe

  • Size

    34KB

  • Sample

    240921-va915ashql

  • MD5

    17e7008acdf564a64c66b5e1551de7d1

  • SHA1

    89b9db120317d212ade05c2c300fe461d324d1a0

  • SHA256

    1a875a261fd81412ed0bc0dd53084dd6e9b7a5545802a1c37d85efeb3ec314bd

  • SHA512

    f4eb1e7c9997e3e9714e455b097081e52e3af72e5017c5ee2ab34c0cefcf197183f75f7a31870319ac24f36696778885f01d94accd3b5b866dbc20a406c36735

  • SSDEEP

    768:pXuuB5cBenG5Z96pbWx9FV9jJOjhj/4e:pXu25cBeGjspW/FV9jJOjZQe

Malware Config

Extracted

Family

xworm

Version

5.0

C2

lefferek-42016.portmap.host:42016

Mutex

CvqERIOnQqEv3r1K

Attributes
  • Install_directory

    %AppData%

  • install_file

    DiscordClient.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      34KB

    • MD5

      17e7008acdf564a64c66b5e1551de7d1

    • SHA1

      89b9db120317d212ade05c2c300fe461d324d1a0

    • SHA256

      1a875a261fd81412ed0bc0dd53084dd6e9b7a5545802a1c37d85efeb3ec314bd

    • SHA512

      f4eb1e7c9997e3e9714e455b097081e52e3af72e5017c5ee2ab34c0cefcf197183f75f7a31870319ac24f36696778885f01d94accd3b5b866dbc20a406c36735

    • SSDEEP

      768:pXuuB5cBenG5Z96pbWx9FV9jJOjhj/4e:pXu25cBeGjspW/FV9jJOjZQe

    • 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.

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • 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

MITRE ATT&CK Enterprise v15

Tasks