Analysis
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max time kernel
11945s -
max time network
152s -
platform
linux_mipsel -
resource
debian9-mipsel-en-20211208 -
submitted
25-04-2022 22:42
Static task
static1
Behavioral task
behavioral1
Sample
Mozi.avpanzfyj
Resource
debian9-mipsel-en-20211208
General
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Target
Mozi.avpanzfyj
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Size
134KB
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MD5
d253b6fc961673435c0e034675f43cf6
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SHA1
0594b9aa72a54bbf69d99fee3d0ba75dd9f06e72
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SHA256
798725bcb7292e8b41279521dde20eea17c119e8a37c39dea098091a210f611c
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SHA512
6ad42f065811e4667246d97d64331528806f7ddf71be60606733e3fe6bffcab8aae4351cc4ebd08dbbf0d03cb90f3af91e20ab3cd94ebdb593915bf5693e83d3
Malware Config
Signatures
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Contacts a large (9333) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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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
Processes:
description ioc /sbin/watchdog /sbin/watchdog /bin/watchdog /bin/watchdog -
Modifies hosts file 1 IoCs
Adds to hosts file used for mapping hosts to IP addresses.
Processes:
description ioc /etc/hosts /etc/hosts -
Writes DNS configuration 1 TTPs 1 IoCs
Writes data to DNS resolver config file.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
Processes:
Mozi.avpanzfyjdescription ioc process /proc/net/tcp /proc/net/tcp Mozi.avpanzfyj -
Processes:
description ioc /etc/init.d/S95baby.sh /etc/init.d/S95baby.sh -
Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.
Processes:
description ioc /proc/net/route /proc/net/route -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8391 ipinfo.io 8394 ipinfo.io -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
Mozi.avpanzfyjdescription ioc process /proc/net/tcp /proc/net/tcp Mozi.avpanzfyj /proc/net/raw /proc/net/raw Mozi.avpanzfyj /proc/net/route /proc/net/route -
Reads runtime system information 2 IoCs
Reads data from /proc virtual filesystem.
Processes:
Mozi.avpanzfyjdescription ioc process /proc/self/exe /proc/self/exe Mozi.avpanzfyj /proc/mounts /proc/mounts -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/Mozi.avpanzfyj /tmp/Mozi.avpanzfyj
Processes
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./Mozi.avpanzfyj./Mozi.avpanzfyj1⤵
- 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 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --destination-port 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --source-port 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 22 -j DROP2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --dport 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --dport 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 23 -j DROP2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --sport 56623 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --sport 56623 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 2323 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 22 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 23 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 2323 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 22 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 23 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 2323 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 22 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 23 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 2323 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 58000 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 58000 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 58000 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 58000 -j DROP2⤵
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""1⤵
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""1⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 35000 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 50023 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 50023 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 35000 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 7547 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 7547 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 35000 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 50023 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 50023 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 35000 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 7547 -j DROP2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 7547 -j DROP2⤵
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/bin/shsh -c "iptables -I INPUT -p udp --destination-port 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p udp --destination-port 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p udp --source-port 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p udp --source-port 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --destination-port 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --destination-port 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --source-port 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --source-port 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I INPUT -p udp --dport 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p udp --dport 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p udp --sport 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p udp --sport 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --dport 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --dport 64134 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --sport 64134 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --sport 64134 -j ACCEPT2⤵