General

  • Target
    xSpoofer-new.exe
  • Size 7.0MB
  • Sample240402-kkwalsce65
  • SHA256 b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 210.246.215.82:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    WindowsNT.exe

Targets

    • Target
      xSpoofer-new.exe
    • Size 7.0MB
    • SHA256 b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07
    • MD5 SHA1 SHA512 SSDEEP
    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Drops file in Drivers directory

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks