Resubmissions

23-06-2024 14:41

240623-r2vtqsvbqg 10

23-06-2024 14:41

240623-r2laasybkp 10

23-06-2024 12:34

240623-prw8pszgqg 10

General

  • Target

    Recycle Bin.exe

  • Size

    66KB

  • Sample

    240623-r2vtqsvbqg

  • MD5

    0680a239ba405c1935c687ebdf6d4540

  • SHA1

    bf2cc8de357fe1af9888e120e1c139ca2bc77c15

  • SHA256

    10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

  • SHA512

    09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

  • SSDEEP

    1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG

Malware Config

Extracted

Family

xworm

C2

medical-m.gl.at.ply.gg:28857

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Runtime Broker.exe

Targets

    • Target

      Recycle Bin.exe

    • Size

      66KB

    • MD5

      0680a239ba405c1935c687ebdf6d4540

    • SHA1

      bf2cc8de357fe1af9888e120e1c139ca2bc77c15

    • SHA256

      10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

    • SHA512

      09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

    • SSDEEP

      1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG

    • 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

    • UAC bypass

    • 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.

    • 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)

    • Looks up external IP address via web service

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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks