Analysis
-
max time kernel
0s -
max time network
46s -
platform
linux_mipsel -
resource
debian9-mipsel-en-20211208 -
submitted
25-04-2022 23:18
General
-
Target
Mozi.moklismwj
-
Size
134KB
-
MD5
3849f30b51a5c49e8d1546960cc206c7
-
SHA1
61c74136534b826059c63221a2373dc0613a47b7
-
SHA256
f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
-
SHA512
43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
Malware Config
Signatures
-
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
-
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
-
Contacts a large (606) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
-
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.moklismwj./Mozi.moklismwj1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
-
/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"1⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 37637 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 37637 -j ACCEPT2⤵