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General

  • Target

    bd55ac1b7d62bc032cc9574a7690ba96dcb906e8edbac57e3a5376db694f1d81

  • Size

    538KB

  • Sample

    250228-y1e58awwbs

  • MD5

    da84cd38a7e0d6e5b675f3abfab17585

  • SHA1

    da99fd45aa49442de7e65d3872adec51c3d23bc6

  • SHA256

    bd55ac1b7d62bc032cc9574a7690ba96dcb906e8edbac57e3a5376db694f1d81

  • SHA512

    1ea672a9144161f07fe7fffb616bebf543c943089284a1ab6f82baef89fca228d6a00b7104001e7a8e703425bc917867c5df603f72c360a1fb12ea35335d198e

  • SSDEEP

    12288:+Al1APCdssEWmaBlMEACqJp6qhRy2ydFviInZHOuZdNcFg:+dosolGnIc8FvnHBSFg

Malware Config

Extracted

Family

xworm

C2

176.96.137.181:2222

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient2.exe

Targets

    • Target

      YOU.exe

    • Size

      955KB

    • MD5

      eb86db27432e31d958931668b20dd18d

    • SHA1

      12a8af666e5f1018071b46cb04df4a34384bb6be

    • SHA256

      5f0a6832da6604ee51d0072fa8ae6ad9b0151074c30c6a08acaad43d339abdf7

    • SHA512

      545b2ccdadb21aadc12a820ede8d4a730614d430816745aae817a4110cc36fa6891ff04e206d020f914debd388257222afcbbead55a2d88cd13e9e72b9ac938e

    • SSDEEP

      24576:Iu6J33O0c+JY5UZ+XC0kGso6Fak67DeQlaWY:iu0c++OCvkGs9Fak8DY

    • Detect Xworm Payload

    • XenArmor Suite

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

    • Xenarmor family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

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

    • 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.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks