Analysis
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max time kernel
0s -
max time network
67s -
platform
linux_mips -
resource
debian9-mipsbe-en-20211208 -
submitted
25-04-2022 22:10
General
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Target
iheqezrxx
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Size
132KB
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MD5
59ce0baba11893f90527fc951ac69912
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SHA1
5857a7dd621c4c3ebb0b5a3bec915d409f70d39f
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SHA256
4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
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SHA512
c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647
Malware Config
Signatures
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Modifies the Watchdog daemon 1 TTPs
Malware like Mirai modify the Watchdog to prevent it restarting an infected system.
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Writes file to system bin folder 1 TTPs 2 IoCs
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Contacts a large (534) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Modifies hosts file 1 IoCs
Adds to hosts file used for mapping hosts to IP addresses.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
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Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.
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Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
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Reads runtime system information 1 IoCs
Reads data from /proc virtual filesystem.
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Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes
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./iheqezrxx./iheqezrxx1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
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/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"1⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 35217 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 35217 -j ACCEPT2⤵