This hunt targets adversary behavior where endpoints initiate downloads from known malicious URLs identified by URLhaus, indicating an active malware distribution campaign. Proactively hunting for these specific indicators in Azure Sentinel is critical to rapidly identify and isolate compromised systems before the downloaded payloads execute and establish persistence within the network.
Threat: malware_download Total URLs: 30 Active URLs: 8
| URL | Status | Threat | Date Added |
|---|---|---|---|
hxxp://193.177.220.9/36/greatideadscomingwithbetterwaystobe.hta | offline | malware_download | 2026-07-13 |
hxxp://193.177.220.9/70/bestnetowrkingskillforbetterplaceformebetter.hta | offline | malware_download | 2026-07-13 |
hxxp://193.177.220.9/13/goodthingsarebestforbetterpeoples.hta | offline | malware_download | 2026-07-13 |
hxxp://64.44.156.79/15/givemebestthings.hta | offline | malware_download | 2026-07-13 |
hxxp://64.44.156.79/15/img_052816.png | offline | malware_download | 2026-07-13 |
hxxp://193.177.220.9/60/wereturntothegamewithbestpeoplesmarking.hta | offline | malware_download | 2026-07-13 |
hxxp://93.177.151.72:41198/i | offline | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/ftr.bin | online | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/babauster.exe | online | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/wbozon.exe | online | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/ntmyebewekca.exe | online | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/soltwo.exe | online | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/umvbr.bin | online | malware_download | 2026-07-13 |
hxxp://31.77.168.180:5000/porlonert.bin | online | malware_download | 2026-07-13 |
hxxp://77.79.160.210:51525/i | online | malware_download | 2026-07-13 |
hxxps://pub-6bb84612f1aa422e987506bd70a6550c.r2.dev/HCUQAUTJ.msi | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.x86_64 | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.aarch64 | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.mipsel | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.powerpc | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.armv4l | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.sparc | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.sh4 | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.mipsrouter | offline | malware_download | 2026-07-13 |
hxxp://141.11.88.119/dg.armv5l | offline | malware_download | 2026-07-13 |
// Hunt for DNS resolution of URLhaus malicious domains
// Threat: malware_download
let malicious_domains = dynamic(["77.79.160.210", "31.77.168.180"]);
DnsEvents
| where Name has_any (malicious_domains)
| project TimeGenerated, Computer, Name, IPAddresses
| order by TimeGenerated desc
// Hunt for web traffic to URLhaus malicious domains
let malicious_domains = dynamic(["77.79.160.210", "31.77.168.180"]);
CommonSecurityLog
| where RequestURL has_any (malicious_domains) or DestinationHostName has_any (malicious_domains)
| project TimeGenerated, SourceIP, RequestURL, DestinationHostName, DeviceAction
| order by TimeGenerated desc
| Sentinel Table | Notes |
|---|---|
CommonSecurityLog | Ensure this data connector is enabled |
DnsEvents | Ensure this data connector is enabled |
Here are specific false positive scenarios for the URLhaus: malware_download detection rule in an enterprise environment, along with suggested filters or exclusions:
Software Deployment via SCCM/Intune: System administrators frequently deploy updates using Microsoft Endpoint Configuration Manager (SCCM) or Intune. These tools often pull installer packages from public CDNs (e.g., download.microsoft.com, cdn.jsdelivr.net) that host legitimate executables but may be flagged by URLhaus due to high traffic volume and shared IP reputation with known malware distributors.
*.microsoft.com, *.cloudfront.net) when the initiating process is a known management agent like ccmexec.exe or MsedgeUpdateService.Automated Backup and Archiving Jobs: Scheduled tasks running enterprise backup solutions such as Veeam, Commvault, or Acronis often connect to external cloud storage endpoints (e.g., AWS S3 buckets, Azure Blob Storage) to download configuration scripts or restore metadata. These connections generate HTTPS traffic to dynamic URLs that may be misidentified as malicious downloads due to the nature of the content transfer.
svc-veeam-backup) accessing known cloud storage providers, specifically filtering out requests where the User-Agent header contains the backup tool’s signature (e.g., Veeam Agent, Commvault).Third-Party API Integration and Data Feeds: Business applications like Salesforce, ServiceNow, or custom ERP systems often consume real-time data feeds via REST APIs from external partners. These integrations frequently download JSON/XML payloads or small binary attachments from partner URLs that might be newly registered or shared with other entities, triggering the malware_download tag despite containing no executable