Analysis
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max time kernel
11940s -
max time network
152s -
platform
linux_mipsel -
resource
debian9-mipsel-en-20211208 -
submitted
25-04-2022 21:49
Static task
static1
Behavioral task
behavioral1
Sample
bin.shvqsbgjjx
Resource
debian9-mipsel-en-20211208
General
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Target
bin.shvqsbgjjx
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Size
134KB
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MD5
3849f30b51a5c49e8d1546960cc206c7
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SHA1
61c74136534b826059c63221a2373dc0613a47b7
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SHA256
f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
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SHA512
43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
Malware Config
Signatures
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suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
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suricata: ET MALWARE Mozi Botnet DHT Config Sent
suricata: ET MALWARE Mozi Botnet DHT Config Sent
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Contacts a large (14448) 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:
bin.shvqsbgjjxdescription ioc process /proc/net/tcp /proc/net/tcp bin.shvqsbgjjx -
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 10828 ipinfo.io 10848 ipinfo.io -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
bin.shvqsbgjjxdescription ioc process /proc/net/tcp /proc/net/tcp bin.shvqsbgjjx /proc/net/raw /proc/net/raw bin.shvqsbgjjx /proc/net/route /proc/net/route -
Reads runtime system information 2 IoCs
Reads data from /proc virtual filesystem.
Processes:
bin.shvqsbgjjxdescription ioc /proc/mounts /proc/mounts /proc/self/exe /proc/self/exe bin.shvqsbgjjx -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/bin.shvqsbgjjx /tmp/bin.shvqsbgjjx
Processes
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./bin.shvqsbgjjx./bin.shvqsbgjjx1⤵
- 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 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 37637 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 37637 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --destination-port 37637 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --source-port 37637 -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 INPUT -p tcp --dport 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p tcp --dport 37637 -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 OUTPUT -p tcp --sport 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 37637 -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 PREROUTING -t nat -p tcp --dport 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --dport 37637 -j ACCEPT2⤵
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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 POSTROUTING -t nat -p tcp --sport 37637 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --sport 37637 -j ACCEPT2⤵
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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 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p udp --destination-port 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p udp --source-port 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p udp --source-port 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --destination-port 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --destination-port 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --source-port 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --source-port 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I INPUT -p udp --dport 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p udp --dport 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I OUTPUT -p udp --sport 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I OUTPUT -p udp --sport 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --dport 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --dport 45476 -j ACCEPT2⤵
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --sport 45476 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --sport 45476 -j ACCEPT2⤵