Analysis
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max time kernel
11979s -
max time network
157s -
platform
linux_armhf -
resource
debian9-armhf-en-20211208 -
submitted
25-04-2022 22:48
Static task
static1
Behavioral task
behavioral1
Sample
Mozi.mbkihinxk
Resource
debian9-armhf-en-20211208
General
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Target
Mozi.mbkihinxk
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Size
78KB
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MD5
9b6c3518a91d23ed77504b5416bfb5b3
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SHA1
0a2d170abbf5031566377b01431e3b82d342630a
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SHA256
a04ac6d98ad989312783d4fe3456c53730b212c79a426fb215708b6c6daa3de3
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SHA512
b2b08d5d5e6c6708d88b793e9340a780d47b5dce61e0a3026b4cdea8a9e4cbf9824037255e4ea4a40fee5bce956485232376d4677ce72ccb6c7f00badd09956e
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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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.
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Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.
Processes:
Mozi.mbkihinxkdescription ioc process /proc/net/route /proc/net/route Mozi.mbkihinxk -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
Mozi.mbkihinxkdescription ioc process /proc/net/route /proc/net/route Mozi.mbkihinxk /proc/net/tcp /proc/net/tcp /proc/net/tcp6 /proc/net/tcp6 -
Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
Processes:
description ioc /proc/270/cmdline /proc/270/cmdline /proc/238/cmdline /proc/238/cmdline /proc/2/cmdline /proc/2/cmdline /proc/269/fd /proc/269/fd /proc/226/cmdline /proc/226/cmdline /proc/161/cmdline /proc/161/cmdline /proc/43/cmdline /proc/43/cmdline /proc/13/cmdline /proc/13/cmdline /proc/323/cmdline /proc/323/cmdline /proc/269/cmdline /proc/269/cmdline /proc/236/fd /proc/236/fd /proc/7/cmdline /proc/7/cmdline /proc/278/cmdline /proc/278/cmdline /proc/74/cmdline /proc/74/cmdline /proc/28/cmdline /proc/28/cmdline /proc/27/cmdline /proc/27/cmdline /proc/25/cmdline /proc/25/cmdline /proc/235/fd /proc/235/fd /proc/23/cmdline /proc/23/cmdline /proc/8/cmdline /proc/8/cmdline /proc/365/fd /proc/365/fd /proc/323/fd /proc/323/fd /proc/236/cmdline /proc/236/cmdline /proc/208/fd /proc/208/fd /proc/226/fd /proc/226/fd /proc/208/cmdline /proc/208/cmdline /proc/145/cmdline /proc/145/cmdline /proc/139/fd /proc/139/fd /proc/41/cmdline /proc/41/cmdline /proc/15/cmdline /proc/15/cmdline /proc/11/cmdline /proc/11/cmdline /proc/10/cmdline /proc/10/cmdline /proc/366/cmdline /proc/366/cmdline /proc/365/cmdline /proc/365/cmdline /proc/316/fd /proc/316/fd /proc/139/cmdline /proc/139/cmdline /proc/131/cmdline /proc/131/cmdline /proc/104/cmdline /proc/104/cmdline /proc/18/cmdline /proc/18/cmdline /proc/14/cmdline /proc/14/cmdline /proc/1/cmdline /proc/1/cmdline /proc/361/cmdline /proc/361/cmdline /proc/320/cmdline /proc/320/cmdline /proc/29/cmdline /proc/29/cmdline /proc/26/cmdline /proc/26/cmdline /proc/17/cmdline /proc/17/cmdline /proc/1/fd /proc/1/fd /proc/322/cmdline /proc/322/cmdline /proc/316/cmdline /proc/316/cmdline /proc/287/fd /proc/287/fd /proc/278/fd /proc/278/fd /proc/238/fd /proc/238/fd /proc/235/cmdline /proc/235/cmdline /proc/135/cmdline /proc/135/cmdline /proc/20/cmdline /proc/20/cmdline /proc/4/cmdline /proc/4/cmdline /proc/106/cmdline /proc/106/cmdline /proc/42/cmdline /proc/42/cmdline /proc/24/cmdline /proc/24/cmdline /proc/19/cmdline /proc/19/cmdline /proc/9/cmdline /proc/9/cmdline /proc/367/cmdline /proc/367/cmdline /proc/320/fd /proc/320/fd /proc/287/cmdline /proc/287/cmdline -
Writes file to tmp directory 2 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/ftpupdate.sh /tmp/ftpupdate.sh /tmp/ftpupload.sh /tmp/ftpupload.sh
Processes
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./Mozi.mbkihinxk./Mozi.mbkihinxk1⤵
- Reads system routing table
- Reads system network configuration
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/bin/sh/bin/sh -c "iptables -A INPUT -p tcp --destination-port 23 -j DROP"1⤵
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 23 -j DROP2⤵
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/bin/sh/bin/sh -c "iptables -A INPUT -p tcp --destination-port 7547 -j DROP"1⤵
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 7547 -j DROP2⤵
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/bin/sh/bin/sh -c "iptables -A INPUT -p tcp --destination-port 5555 -j DROP"1⤵
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 5555 -j DROP2⤵
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/bin/sh/bin/sh -c "iptables -A INPUT -p tcp --destination-port 5358 -j DROP"1⤵
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 5358 -j DROP2⤵
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/bin/sh/bin/sh -c "iptables -D INPUT -j CWMP_CR"1⤵
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/sbin/iptablesiptables -D INPUT -j CWMP_CR2⤵
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/bin/sh/bin/sh -c "iptables -X CWMP_CR"1⤵
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/sbin/iptablesiptables -X CWMP_CR2⤵
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/bin/sh/bin/sh -c "iptables -I INPUT -p udp --dport 5302 -j ACCEPT"1⤵
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/sbin/iptablesiptables -I INPUT -p udp --dport 5302 -j ACCEPT2⤵