General

  • Target

    NlCrack.exe

  • Size

    77KB

  • Sample

    240625-pnvkpszcpc

  • MD5

    fb4692539278ceb9554a2da842690af4

  • SHA1

    08cc7ee1c9628b5d9eae2c26f07d22f75ccb6a18

  • SHA256

    5ef39c4a2f07edb9ed918adfd8d321c133d050b6f0e26adbe3638eda4937c43e

  • SHA512

    4ea58061e42f2a1b3c26eba62cfbec652a88ffec1c5c9129ce8d7344e264fe5234fc34c4142205ee792c7aceeea54013bfa833e9376b2a881a26b5d316ed9f23

  • SSDEEP

    1536:3+wlvgdUsD72Vgdd9/4DfvkbhfmAE8lX6JbnYOUnABDJr64fUX85:3+ysP2VowrkbhTzpOwAlJrhcX85

Malware Config

Extracted

Family

xworm

C2

regarding-peak.gl.at.ply.gg:40809

Attributes
  • Install_directory

    %AppData%

  • install_file

    VerX.exe

Targets

    • Target

      NlCrack.exe

    • Size

      77KB

    • MD5

      fb4692539278ceb9554a2da842690af4

    • SHA1

      08cc7ee1c9628b5d9eae2c26f07d22f75ccb6a18

    • SHA256

      5ef39c4a2f07edb9ed918adfd8d321c133d050b6f0e26adbe3638eda4937c43e

    • SHA512

      4ea58061e42f2a1b3c26eba62cfbec652a88ffec1c5c9129ce8d7344e264fe5234fc34c4142205ee792c7aceeea54013bfa833e9376b2a881a26b5d316ed9f23

    • SSDEEP

      1536:3+wlvgdUsD72Vgdd9/4DfvkbhfmAE8lX6JbnYOUnABDJr64fUX85:3+ysP2VowrkbhTzpOwAlJrhcX85

    • 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#.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables RegEdit via registry modification

    • 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

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks