XDDown
Hunt this family in your stack
Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
Vulnerabilities exploited
1 CVE Mallory has correlated with this family across public research and vendor advisories. Each row links to the full Mallory page for that vulnerability.
At the end of June 2020, the operators stepped up their game by using a vulnerability in Internet Explorer, CVE-2020-0968, which had been patched in April 2020. Instead of delivering an archive with a LNK file, the C&C server was delivering an RTF file that, once opened, downloaded an HTML file exploiting the aforementioned vulnerability.
Groups observed using it
1 distinct threat actor attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
XDDown is the main malware component and is strictly a downloader. It persists on the system using the traditional Run key. It downloads additional plugins from the hardcoded C&C server using the HTTP protocol.
Techniques & procedures
9 distinct techniques documented for this family, organized by ATT&CK tactic.
Initial Access
2 techniques
Initial Access
Execution
3 techniques
Execution
Persistence
1 technique
Persistence
Privilege Escalation
1 technique
Privilege Escalation
Command and Control
2 techniques
Command and Control
IOCs tracked for this family
36 indicators attributed across vendor reports, sandbox runs, and researcher write-ups. Full values are available in Mallory.
IPs, domains, and DNS infrastructure linked to this family.
File hashes (MD5, SHA-1, SHA-256) from samples and reports.
Recent activity
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Malware family referenced as used in campaigns targeting Russia and Moldova; described as capable of downloading additional payloads and stealing sensitive information.
Primary downloader used by XDSpy. It establishes persistence via the Run key and retrieves additional encrypted plugin components from hardcoded C2 servers over HTTP.
The version that knows your environment.
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.