General

  • Target
    MasonGod.exe
  • Size 438KB
  • Sample250526-bk51datwfv
  • SHA256 f258e1faa4cbb6c3976d2e99e55f9a97da51d197f9fd9ba58553c2dd2541999e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • art-albany.gl.at.ply.gg:56107

Mutex
  • ngeAoN77NRQ4db6m

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Extracted

Family
  • bdaejec

C2
  • ddos.dnsnb8.net

Targets

    • Target
      MasonGod.exe
    • Size 438KB
    • SHA256 f258e1faa4cbb6c3976d2e99e55f9a97da51d197f9fd9ba58553c2dd2541999e
    • MD5 SHA1 SHA512 SSDEEP
    • Bdaejec

      Bdaejec is a backdoor written in C++.

    • Bdaejec family

    • 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

    • Detects Bdaejec Backdoor.

      Bdaejec is backdoor written in C++.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Modifies Windows Firewall

    • Sets service image path in registry

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Adds Run key to start application

    • Modifies Security services

      Modifies the startup behavior of a security service.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks