dolyame-ui-containernpm
Advisory published Updated
dolyame-ui-container is a confirmed malicious npm package (MAL-2026-13150) that steals credentials and exfiltrates sensitive data (malicious version 35.3.7). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in dolyame-ui-container (npm)
What this malware does
On require of the package, index.js loads compat.js, which at module load time downloads a platform-specific binary from hostnames assembled at runtime via string-splitting (oob-worker.cf102-baf.workers.dev, oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev). If HTTPS mirrors fail, it falls back to a DNS-over-TXT covert channel, resolving TXT records under *.dl.wel1.ru subdomains and base64-decoding the concatenated response into a binary. The fetched payload is written to a disguised path under /tmp or %TEMP% (e.g. dotnet_diag<hex>.exe,.cache_<hex>), chmod 0755, and spawned detached via cmd.exe or /bin/sh -c with no hash or signature verification. Environment variable checks (DISABLE_TELEMETRY, ANALYTICS_OPT_OUT, DO_NOT_TRACK) and analytics-styled filenames provide cover. The destinations are not the publisher's infrastructure and the retrieval mechanism is inconsistent with any legitimate distribution channel.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Credential / info stealerFind it
Search your lockfiles and build artifacts for dolyame-ui-container (version 35.3.7).
If you installed it — respond
dolyame-ui-container is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If dolyame-ui-container was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.
Frequently asked questions
Campaign
References
Credits
- Amazon Inspector · finder
Detect & block this
O3 blocks dolyame-ui-container-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.