Analysis
- max time kernel
18631s - max time network
60s - platform
linux_mips - resource
debian9-mipsbe - submitted
23/06/2021, 07:02
General
- Target Mozi.m
- Size 300KB
- Sample210623-te8as17g3e
- SHA256 dadaeba2a8def4b7471b8aca2fd51acf6ceabd5fd336184e95f40ca44b590dbd
Score
9/10
Malware Config
Signatures
- Modifies the Watchdog daemon 1 TTPs
Malware like Mirai modify the Watchdog to prevent it restarting an infected system.
- Writes file to system bin folder 1 TTPs 2 IoCs
- Modifies hosts file 1 IoCs
Adds to hosts file used for mapping hosts to IP addresses.
- Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
- Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.
- Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
- Reads runtime system information 1 IoCs
Reads data from /proc virtual filesystem.
- Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes
-
./Mozi.m./Mozi.m1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
-
/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"1⤵