Analysis
- max time kernel
143s - max time network
148s - platform
debian-12_armhf - resource
debian12-armhf-20250619-en - resource tags
- submitted
05/11/2025, 04:31
General
- Target mirai.armv7a.elf
- Size 389KB
- Sample251105-e5e68sslel
- SHA256 1e4a4619afecc3f53f118f7cd0fbf07038563dfa879eeb0335ac84f980c08a5a
Score
9/10
Malware Config
Signatures
- Contacts a large (10418) 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.armv7a.elf/tmp/mirai.armv7a.elf1⤵
- Deletes itself
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration