Resubmissions

20/08/2026, 09:33

260820-ljp8mshp2v

20/08/2026, 09:33

260820-ljerxawzfy10

20/08/2026, 09:31

260820-lhfykstejd10

General

  • Target
    XWorm V3.0.exe
  • Size 9.1MB
  • Sample260820-lhfykstejd
  • SHA256 238a729cac982f5479ea40bff699cb398dcb3662b86230aa7af4ad19240b419e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 28.tcp.cpolar.top:13152

Mutex
  • MsmiO4VUGXBfqaZC

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      XWorm V3.0.exe
    • Size 9.1MB
    • SHA256 238a729cac982f5479ea40bff699cb398dcb3662b86230aa7af4ad19240b419e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • 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

    • Indicator Removal: Clear Windows Event Logs

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks