DomainTools Details 1,100+ Suspected Domains Used for Data Collection and Malware Delivery

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Summary

DomainTools reports that a suspected campaign used more than 1,100 spoofed domains to collect user data and selectively deliver malware, including ValleyRAT and Gh0stRAT, primarily to Chinese-speaking users.

Key points

  • The second cluster comprises more than 1,100 suspected actor domains registered between April 2024 and January 2025, spoofing popular apps and services.
  • Obfuscated JavaScript and analytics services collected browser, device, IP, location, and browsing data; some sites may also record browser sessions.
  • Fake merchant and payment dashboards may be promoted through phishing. A download triggered from one dashboard delivered a dropper that ran ValleyRAT and fetched additional modules from Amazon S3.
  • The two domain clusters were observed delivering identical Gh0stRAT and ValleyRAT binaries; other sites used conditional, JavaScript-driven delivery.
  • The operators used separate hosting and delivery infrastructure, including CloudFront, which can obscure malware origins.
  • The report includes associated domains, tracker identifiers, file hashes, download URLs, and suspected C2 IP addresses as indicators.

Article Details

Attack Vectors
  • Spoofed application-download websites use obfuscated JavaScript to collect browser and user data and may selectively show malware-delivery links based on user conditions.
  • Fake merchant, payment, cryptocurrency, email, and office-service login pages are suspected to be distributed through phishing; the pages capture credentials.
  • A fake merchant-dashboard warning image initiates a malicious dropper download when clicked; executing the dropper installs ValleyRAT and downloads additional modules.
  • SEO tactics are used to raise spoofed sites in search results and direct traffic to malicious sites.
Defensive Notes
  • Monitor and block the listed spoofed download and delivery domains, malicious URLs, and C2 IP addresses.
  • Treat downloads from spoofed application sites and fake login dashboards as suspicious; investigate downloaded files using the hashes listed below.
  • Review web telemetry for obfuscated JavaScript, unexpected user-data collection, and possible browser-session recording by js-sdk-recorder.min.js.
  • The report notes that malware delivery may be conditional on geolocation, language settings, or browser type, and that 0-byte files may act as placeholders.

Indicators of compromise

TypeIndicatorContext
DOMAINgoogleochrome[.]comSpoofed Chrome download site hosting Gh0stRAT and ValleyRAT binaries.
DOMAINhndnsv1[.]comNameserver domain reported as common among domains associated with the suspected actor.
DOMAINhndnsv2[.]comNameserver domain reported as common among domains associated with the suspected actor.
DOMAINletscavpn[.]comSpoofed Lets VPN download site identified as part of the malicious domain cluster.
DOMAINletsekvpn[.]comSpoofed Lets VPN download site identified as part of the malicious domain cluster.
DOMAINotpaycn[.]comMalicious fake merchant-dashboard login and malware-delivery site.
IPV4154[.]82[.]67[.]135IP identified during triage as having a recent history of malicious files communicating with it.
IPV4154[.]82[.]85[.]14IP identified during triage as having a recent history of malicious files communicating with it.
IPV4154[.]82[.]85[.]79IP identified during triage as having a recent history of malicious files communicating with it.
IPV4154[.]82[.]92[.]231IP identified during triage as having a recent history of malicious files communicating with it.
IPV4154[.]91[.]64[.]50IP identified during triage as having a recent history of malicious files communicating with it.
IPV4154[.]91[.]64[.]75IP identified during triage as having a recent history of malicious files communicating with it.
IPV4154[.]91[.]90[.]102C2 IP contacted by the payload on TCP ports 4433 and 10443.
IPV4156[.]248[.]77[.]177IP identified during triage as having a recent history of malicious files communicating with it.
IPV4156[.]251[.]18[.]26IP identified during triage as having a recent history of malicious files communicating with it.
IPV4156[.]251[.]24[.]167IP identified during triage as having a recent history of malicious files communicating with it.
IPV4156[.]251[.]25[.]187IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]115[.]132IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]115[.]153IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]115[.]203IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]115[.]38IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]123[.]166IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]198[.]133IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]221[.]10IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]42[.]223IP identified during triage as having a recent history of malicious files communicating with it.
IPV4206[.]238[.]70[.]202IP identified during triage as having a recent history of malicious files communicating with it.
SHA2560003417d1ba6370aab194d2bab97e709bbf1d8efbf60d02a1c96117a2e7a7e3dSHA-256 of libcef.dll downloaded as part of the ValleyRAT infection.
SHA25609efbe0c3e69c0f9a578bbbf0d475bd418497717921713779d1aa89dd2be35d6SHA-256 of Chrome.zip downloaded from the spoofed Chrome site.
SHA256522863520bcc368631a2db5016a1af68f60ecb074ddf19c9e7bff9834bb05248SHA-256 of the payload contained in Chrome.msi; execution connects to the reported C2 IP.
SHA2565cd549ca7b5a046afa1f9ddb679dbf04e8879307d2dd813c7d44d00525ab8638SHA-256 of ValleyRAT dropped by anacard.exe.
SHA2565f39c5fc10130916e3b67e617979eb22febccc274a88af7a43e21cc5311d3f20SHA-256 of anacard.exe, which drops ValleyRAT.
SHA2566d3a6cde6fc4d3c79aabf785c04d2736a3e2fd9b0366c9b741f054a13ecd939eSHA-256 of vcruntime140_1.dll downloaded as part of the ValleyRAT infection.
SHA2567aa74fc5d5f1c356229fa83cd4330f8bfd1b640e09b897602382557fbeefd5eaSHA-256 of the initial malicious download, anacard.zip.
SHA2567d14ba4da535892e469ca66c1f749bab553c2f9af04eb978d5200431a2f01435SHA-256 of xzc.exe downloaded as part of the ValleyRAT infection.
SHA25699e3e25cda404283fbd96b25b7683a8d213e7954674adefa2279123a8d0701fdSHA-256 of MSVCP140.dll downloaded as part of the ValleyRAT infection.
SHA2569b5957e7d9bf0863fc7247df9ea02deac6f1b1a22fc7b9d4dfd89f41f27a400eSHA-256 of data.ini downloaded as part of the ValleyRAT infection.
SHA256a06c9ea4f815dac75d2c99684d433fbfc782010fae887837a03f085a29a217e8SHA-256 of VCRUNTIME140.dll downloaded as part of the ValleyRAT infection.
SHA256e39e44cb79c5b1918d8139cfbb6d2ada044dbe4b413e86504f10e902072743fdSHA-256 of Chrome.msi, extracted from the malicious Chrome.zip.
SHA256f63894af1b84fca6d2cb2732e0cf31d1523d6949edd4738c63663957d46dadaeSHA-256 of view.res downloaded as part of the ValleyRAT infection.
URLhxxps[:]//d2g2a3g6fn6aza[.]cloudfront[.]net/android/letsvpn-latest[.]apkSpecific CloudFront-hosted Android package download URL identified as malware-delivery infrastructure.
URLhxxps[:]//down[.]aydareklam[.]com/anacard[.]zipMalicious dropper archive download URL.
URLhxxps[:]//down[.]googluchrome[.]comMalicious download host loaded by the spoofed googleochrome[.]com site.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/data[.]iniSpecific Amazon S3 URL used to download a file associated with the ValleyRAT infection.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/libcef[.]dllSpecific Amazon S3 URL used to download a module associated with the ValleyRAT infection.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/MSVCP140[.]dllSpecific Amazon S3 URL used to download a module associated with the ValleyRAT infection.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/vcruntime140_1[.]dllSpecific Amazon S3 URL used to download a module associated with the ValleyRAT infection.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/VCRUNTIME140[.]dllSpecific Amazon S3 URL used to download a module associated with the ValleyRAT infection.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/view[.]resSpecific Amazon S3 URL used to download a file associated with the ValleyRAT infection.
URLhxxps[:]//omnisentience[.]s3[.]ap-east-1[.]amazonaws[.]com/xzc[.]exeSpecific Amazon S3 URL used to download a module associated with the ValleyRAT infection.

MITRE ATT&CK

Malware

Vendors

Products

Amazon S3Clicking anywhere on the image initiates a download for a malicious dropper file that upon execution runs ValleyRAT on the system and downloads several modules from an Amazon S3 bucket providing additional functionality.Androidfiles and multiple web analytic services. Purport to host binaries for Windows, macOS, iOS, and Android operating systems.CloudFrontMore recent spoofed download sites continue to separate the spoofed websites from the hosted files by using Amazon’s CloudFront content delivery network such as the following: Google AnalyticsGoogle Analytics (G-)Google ChromeMalware delivery domain “googleochrome[.]com” spoofs as a Chrome browser download site and contains code to load content from a similarly named but different domain: “https[:]//down.googluchrome[.]com”Google Tag Managerto be to collect user data. Data is sent to one or more web analytic services. Primarily using Google Tag Manager (GTM), 51.LA and Baidu. A possible reason for using both a Chinese site analytics tracker andiOSJavaScript files and multiple web analytic services. Purport to host binaries for Windows, macOS, iOS, and Android operating systems.Lets VPNSpoofed download sites for Lets VPN: “letscavpn[.]com” & “letsekvpn[.]com”macOSand obfuscated JavaScript files and multiple web analytic services. Purport to host binaries for Windows, macOS, iOS, and Android operating systems.Microsoft Windowsdedicated to malware delivery with minimal dynamic content or obfuscation employed. Primarily delivers Windows backdoors and info stealers. Minimal variability in HTML and JavaScript code.

Countries

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