General

  • Target

    https://castorndpollux.com/R9283762154.zip

  • Sample

    240402-ya7gsabd31

Malware Config

Extracted

Family

xworm

Version

3.1

C2

marxrwonew9090.duckdns.org:9090

Mutex

jAGA4ZotP9f5mS9c

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      https://castorndpollux.com/R9283762154.zip

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks