Resubmissions
13-05-2022 13:18
220513-qjy8rsafdp 1013-05-2022 13:05
220513-qbhaaaffe2 1012-05-2022 08:46
220512-kpla7sbfe7 1011-05-2022 15:07
220511-shdxjsahh5 10Analysis
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max time kernel
13363s -
max time network
310s -
platform
linux_armhf -
resource
debian9-armhf-en-20211208 -
submitted
12-05-2022 08:46
Static task
static1
Behavioral task
behavioral1
Sample
mozi.a
Resource
debian9-armhf-en-20211208
General
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Target
mozi.a
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Size
300KB
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MD5
eec5c6c219535fba3a0492ea8118b397
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SHA1
292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21
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SHA256
12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef
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SHA512
3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400
Malware Config
Signatures
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suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution
suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution
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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 (50259) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 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.adescription ioc process /proc/net/tcp /proc/net/tcp mozi.a -
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 -
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 18868 ipinfo.io 18870 ipinfo.io -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
mozi.adescription ioc process /proc/net/raw /proc/net/raw mozi.a /proc/net/route /proc/net/route /proc/net/tcp /proc/net/tcp mozi.a -
Reads runtime system information 2 IoCs
Reads data from /proc virtual filesystem.
Processes:
description ioc /proc/mounts /proc/mounts /proc/stat /proc/stat -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/mozi.a /tmp/mozi.a
Processes
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./mozi.a./mozi.a1⤵
- Enumerates active TCP sockets
- Reads system network configuration
PID:355
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/bin/sh/bin/sh -c "killall -9 telnetd utelnetd scfgmgr"1⤵PID:359
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --destination-port 50089 -j ACCEPT"1⤵PID:374
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 50089 -j ACCEPT2⤵PID:375
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 50089 -j ACCEPT"1⤵PID:380
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 50089 -j ACCEPT2⤵PID:381
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/bin/sh/bin/sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 50089 -j ACCEPT"1⤵PID:382
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --destination-port 50089 -j ACCEPT2⤵PID:383
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/bin/sh/bin/sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 50089 -j ACCEPT"1⤵PID:392
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --source-port 50089 -j ACCEPT2⤵PID:393
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --dport 50089 -j ACCEPT"1⤵PID:394
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/sbin/iptablesiptables -I INPUT -p tcp --dport 50089 -j ACCEPT2⤵PID:395
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"1⤵PID:396
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 58000 -j DROP2⤵PID:397
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --sport 50089 -j ACCEPT"1⤵PID:398
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 50089 -j ACCEPT2⤵PID:399
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"1⤵PID:400
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 58000 -j DROP2⤵PID:401
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/bin/sh/bin/sh -c "iptables -I PREROUTING -t nat -p tcp --dport 50089 -j ACCEPT"1⤵PID:402
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --dport 50089 -j ACCEPT2⤵PID:403
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"1⤵PID:404
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/sbin/iptablesiptables -I INPUT -p tcp --dport 58000 -j DROP2⤵PID:405
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/bin/sh/bin/sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 50089 -j ACCEPT"1⤵PID:406
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --sport 50089 -j ACCEPT2⤵PID:408
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"1⤵PID:407
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 58000 -j DROP2⤵PID:409
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/bin/sh/bin/sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""1⤵PID:410
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/bin/sh/bin/sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""1⤵PID:411
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"1⤵PID:412
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 35000 -j DROP2⤵PID:413
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"1⤵PID:416
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 50023 -j DROP2⤵PID:417
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"1⤵PID:418
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 50023 -j DROP2⤵PID:419
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"1⤵PID:420
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 35000 -j DROP2⤵PID:421
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"1⤵PID:422
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 7547 -j DROP2⤵PID:423
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"1⤵PID:424
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 7547 -j DROP2⤵PID:425
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"1⤵PID:426
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/sbin/iptablesiptables -I INPUT -p tcp --dport 35000 -j DROP2⤵PID:427
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"1⤵PID:428
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/sbin/iptablesiptables -I INPUT -p tcp --dport 50023 -j DROP2⤵PID:429
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"1⤵PID:430
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 50023 -j DROP2⤵PID:431
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"1⤵PID:432
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 35000 -j DROP2⤵PID:433
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/bin/sh/bin/sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"1⤵PID:434
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/sbin/iptablesiptables -I INPUT -p tcp --dport 7547 -j DROP2⤵PID:435
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"1⤵PID:436
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 7547 -j DROP2⤵PID:437
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/bin/sh/bin/sh -c "iptables -I INPUT -p udp --destination-port 46370 -j ACCEPT"1⤵PID:442
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/sbin/iptablesiptables -I INPUT -p udp --destination-port 46370 -j ACCEPT2⤵PID:443
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p udp --source-port 46370 -j ACCEPT"1⤵PID:444
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/sbin/iptablesiptables -I OUTPUT -p udp --source-port 46370 -j ACCEPT2⤵PID:445
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/bin/sh/bin/sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 46370 -j ACCEPT"1⤵PID:446
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --destination-port 46370 -j ACCEPT2⤵PID:447
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/bin/sh/bin/sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 46370 -j ACCEPT"1⤵PID:448
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --source-port 46370 -j ACCEPT2⤵PID:449
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/bin/sh/bin/sh -c "iptables -I INPUT -p udp --dport 46370 -j ACCEPT"1⤵PID:450
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/sbin/iptablesiptables -I INPUT -p udp --dport 46370 -j ACCEPT2⤵PID:451
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/bin/sh/bin/sh -c "iptables -I OUTPUT -p udp --sport 46370 -j ACCEPT"1⤵PID:452
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/sbin/iptablesiptables -I OUTPUT -p udp --sport 46370 -j ACCEPT2⤵PID:453
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/bin/sh/bin/sh -c "iptables -I PREROUTING -t nat -p udp --dport 46370 -j ACCEPT"1⤵PID:456
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --dport 46370 -j ACCEPT2⤵PID:457
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/bin/sh/bin/sh -c "iptables -I POSTROUTING -t nat -p udp --sport 46370 -j ACCEPT"1⤵PID:458
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --sport 46370 -j ACCEPT2⤵PID:459
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