General

  • Target
    85673635.vbs
  • Size 934B
  • Sample240220-s1xsdaaf91
  • SHA256 48abb729c4dd3419bbadd04d974a668d216d5513556d455bbd70dd3e2b723573
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • febxworm39090.duckdns.org:9090

Mutex
  • p9scRtac5fAAiDhG

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target
      85673635.vbs
    • Size 934B
    • SHA256 48abb729c4dd3419bbadd04d974a668d216d5513556d455bbd70dd3e2b723573
    • MD5 SHA1 SHA512
    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks