Public Mosaic C2 indicators
sample

4efb8e53b0c0fcf0d0c3e3d33740d15da11db5e3fba8ab6e6baa36f490b85f79

A VShell sample, identified from its own bytes without running it (an embedded configuration).

4efb8e53b0c0fcf0d0c3e3d33740d15da11db5e3fba8ab6e6baa36f490b85f79

TLP:CLEAR

Sample

sha-2564efb8e53b0c0fcf0d0c3e3d33740d15da11db5e3fba8ab6e6baa36f490b85f79
familyVShell
identified byfile analysis
first seen2026-09-04 21:22 UTC
last seen2026-10-06 00:09 UTC
VirusTotal →

VShell configuration

Read from the file without running it. Endpoints are where the sample is configured to connect. An endpoint is listed on this site only if the scanner confirmed it separately. A VShell loader’s only configuration is the address and port it calls. The listener key (vkey) and the salt arrive from the listener when the loader connects, so only sandbox runs that reached a live listener show them.

endpoint · tcp8.137.22.68:12345

Pivots: other samples whose configuration carries the same value. A shared value is not evidence of a single operator.

same endpoint → 2 other samples

Every sample’s configuration, as signed-in downloads (free account): JSON · STIX · CSV.

Served by 1 address

A widely distributed file can reach unrelated hosts.