General

  • Target
    XClient.exe
  • Size 34KB
  • Sample261002-fpkx8axt7l
  • SHA256 8c43b4698d7a90364ea8d27579f78651d35c86e7d1bfb86575209427b379f7a8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 25.tcp.vip.cpolar.cn:11220

Mutex
  • xND5jEA6idxxyJ2H

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target
      XClient.exe
    • Size 34KB
    • SHA256 8c43b4698d7a90364ea8d27579f78651d35c86e7d1bfb86575209427b379f7a8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Writes to the Master Boot Record (MBR)

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

MITRE ATT&CK Enterprise v16

Tasks