Analysis
- max time kernel
148s - max time network
150s - platform
ubuntu-18.04_amd64 - resource
ubuntu1804-amd64-20260513-en - resource tags
- submitted
09/10/2026, 01:26
General
- Target mirai.x86.elf
- Size 54KB
- Sample261009-btpprawyet
- SHA256 a2340ba1546cea741ea17fb6d84a51e39cfde541838836f801833d6a99999bc6
Score
9/10
Malware Config
Signatures
- Contacts a large (11528) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Deletes itself 1 IoCs
- Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
- Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
- Changes its process name 1 IoCs
- Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes
-
/tmp/mirai.x86.elf/tmp/mirai.x86.elf1⤵
- Deletes itself
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration