c672798dca67f796972b42ad0c89e25d589d2e70eb41892d26adbb6a79f63887

General

Target

Mozi.m
Size

129KB
MD5

dbc520ea1518748fec9fcfcf29755c30
SHA1

0a427f86b4360fb603c6e3c5878c9be7ced59adc
SHA256

c672798dca67f796972b42ad0c89e25d589d2e70eb41892d26adbb6a79f63887
SHA512

6d42025c8c4b1778de583fb4468da72750e8d6022f24e1e8c5cd6b1ff853eb2cdeb9de75338e37da729be2576a7e8e8aa3cdf184b1a9f6b27b6169e23d724055
SSDEEP

3072:Nc4i0agsmw3Py5CP5HM8EVLUuYtgB5H6oz:Nc/0aNPy54EVAhOae

Score

9^/10

discovery persistence

Malware Config

Signatures

Modifies the Watchdog daemon 1 TTPs
Malware like Mirai modify the Watchdog to prevent it restarting an infected system.

Impair Defenses
T1562
Writes file to system bin folder 1 TTPs 2 IoCs

Hijack Execution Flow
T1574

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.

Dynamic Resolution
T1568

Processes:

description ioc

/etc/resolv.conf /etc/resolv.conf
Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.

System Network Connections Discovery
T1049

Processes:

Mozi.m

description ioc process

/proc/net/tcp /proc/net/tcp Mozi.m
Modifies init.d 1 TTPs 1 IoCs
Adds/modifies system service, likely for persistence.
persistence

Boot or Logon Autostart Execution
T1547

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.

System Network Configuration Discovery
T1016

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.
discovery

Network Service Scanning
T1046
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.

System Network Configuration Discovery
T1016

Processes:

Mozi.m

description ioc process

/proc/net/tcp /proc/net/tcp Mozi.m
/proc/net/raw /proc/net/raw Mozi.m
/proc/net/route /proc/net/route
Reads runtime system information 2 IoCs
Reads data from /proc virtual filesystem.

Processes:

Mozi.m

description ioc process

/proc/self/exe /proc/self/exe Mozi.m
/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.m /tmp/Mozi.m

description	ioc
/sbin/watchdog	/sbin/watchdog
/bin/watchdog	/bin/watchdog

description	ioc
/etc/hosts	/etc/hosts

description	ioc
/etc/resolv.conf	/etc/resolv.conf

description	ioc	process
/proc/net/tcp	/proc/net/tcp	Mozi.m

description	ioc
/etc/init.d/S95baby.sh	/etc/init.d/S95baby.sh

description	ioc
/proc/net/route	/proc/net/route

description	ioc	process
/proc/net/tcp	/proc/net/tcp	Mozi.m
/proc/net/raw	/proc/net/raw	Mozi.m
/proc/net/route	/proc/net/route

description	ioc	process
/proc/self/exe	/proc/self/exe	Mozi.m
/proc/mounts	/proc/mounts

description	ioc
/tmp/Mozi.m	/tmp/Mozi.m

/tmp/Mozi.m
/tmp/Mozi.m
1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:395

/bin/sh
sh -c "killall -9 telnetd utelnetd scfgmgr"
1⤵
PID:398

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 52719 -j ACCEPT"
1⤵
PID:409

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 52719 -j ACCEPT
2⤵
PID:410

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 52719 -j ACCEPT"
1⤵
PID:415

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 52719 -j ACCEPT
2⤵
PID:416

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 52719 -j ACCEPT"
1⤵
PID:417

/sbin/iptables
iptables -I PREROUTING -t nat -p tcp --destination-port 52719 -j ACCEPT
2⤵
PID:418

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 52719 -j ACCEPT"
1⤵
PID:426

/sbin/iptables
iptables -I POSTROUTING -t nat -p tcp --source-port 52719 -j ACCEPT
2⤵
PID:427

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 52719 -j ACCEPT"
1⤵
PID:428

/sbin/iptables
iptables -I INPUT -p tcp --dport 52719 -j ACCEPT
2⤵
PID:429

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 52719 -j ACCEPT"
1⤵
PID:430

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 52719 -j ACCEPT
2⤵
PID:431

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --dport 52719 -j ACCEPT"
1⤵
PID:432

/sbin/iptables
iptables -I PREROUTING -t nat -p tcp --dport 52719 -j ACCEPT
2⤵
PID:433

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 52719 -j ACCEPT"
1⤵
PID:434

/sbin/iptables
iptables -I POSTROUTING -t nat -p tcp --sport 52719 -j ACCEPT
2⤵
PID:435

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"
1⤵
PID:436

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 22 -j DROP
2⤵
PID:437

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"
1⤵
PID:438

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 23 -j DROP
2⤵
PID:439

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"
1⤵
PID:440

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 2323 -j DROP
2⤵
PID:441

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"
1⤵
PID:442

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 22 -j DROP
2⤵
PID:443

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"
1⤵
PID:444

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 23 -j DROP
2⤵
PID:445

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"
1⤵
PID:446

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
2⤵
PID:447

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"
1⤵
PID:448

/sbin/iptables
iptables -I INPUT -p tcp --dport 22 -j DROP
2⤵
PID:449

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"
1⤵
PID:450

/sbin/iptables
iptables -I INPUT -p tcp --dport 23 -j DROP
2⤵
PID:451

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"
1⤵
PID:452

/sbin/iptables
iptables -I INPUT -p tcp --dport 2323 -j DROP
2⤵
PID:453

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"
1⤵
PID:454

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 22 -j DROP
2⤵
PID:455

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"
1⤵
PID:456

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 23 -j DROP
2⤵
PID:457

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"
1⤵
PID:458

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 2323 -j DROP
2⤵
PID:459

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"
1⤵
PID:460

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 58000 -j DROP
2⤵
PID:461

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"
1⤵
PID:462

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
2⤵
PID:463

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"
1⤵
PID:464

/sbin/iptables
iptables -I INPUT -p tcp --dport 58000 -j DROP
2⤵
PID:465

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"
1⤵
PID:466

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 58000 -j DROP
2⤵
PID:467

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""
1⤵
PID:468

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""
1⤵
PID:469

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"
1⤵
PID:470

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 35000 -j DROP
2⤵
PID:471

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"
1⤵
PID:472

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 50023 -j DROP
2⤵
PID:473

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"
1⤵
PID:474

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
2⤵
PID:475

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"
1⤵
PID:476

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
2⤵
PID:477

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"
1⤵
PID:478

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 7547 -j DROP
2⤵
PID:479

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"
1⤵
PID:480

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
2⤵
PID:481

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"
1⤵
PID:482

/sbin/iptables
iptables -I INPUT -p tcp --dport 35000 -j DROP
2⤵
PID:483

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"
1⤵
PID:484

/sbin/iptables
iptables -I INPUT -p tcp --dport 50023 -j DROP
2⤵
PID:485

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"
1⤵
PID:486

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 50023 -j DROP
2⤵
PID:487

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"
1⤵
PID:488

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 35000 -j DROP
2⤵
PID:489

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"
1⤵
PID:490

/sbin/iptables
iptables -I INPUT -p tcp --dport 7547 -j DROP
2⤵
PID:491

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"
1⤵
PID:492

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 7547 -j DROP
2⤵
PID:493

/bin/sh
sh -c "iptables -I INPUT -p udp --destination-port 5353 -j ACCEPT"
1⤵
PID:494

/sbin/iptables
iptables -I INPUT -p udp --destination-port 5353 -j ACCEPT
2⤵
PID:495

/bin/sh
sh -c "iptables -I OUTPUT -p udp --source-port 5353 -j ACCEPT"
1⤵
PID:496

/sbin/iptables
iptables -I OUTPUT -p udp --source-port 5353 -j ACCEPT
2⤵
PID:497

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 5353 -j ACCEPT"
1⤵
PID:498

/sbin/iptables
iptables -I PREROUTING -t nat -p udp --destination-port 5353 -j ACCEPT
2⤵
PID:499

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 5353 -j ACCEPT"
1⤵
PID:500

/sbin/iptables
iptables -I POSTROUTING -t nat -p udp --source-port 5353 -j ACCEPT
2⤵
PID:501

/bin/sh
sh -c "iptables -I INPUT -p udp --dport 5353 -j ACCEPT"
1⤵
PID:502

/sbin/iptables
iptables -I INPUT -p udp --dport 5353 -j ACCEPT
2⤵
PID:503

/bin/sh
sh -c "iptables -I OUTPUT -p udp --sport 5353 -j ACCEPT"
1⤵
PID:504

/sbin/iptables
iptables -I OUTPUT -p udp --sport 5353 -j ACCEPT
2⤵
PID:505

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --dport 5353 -j ACCEPT"
1⤵
PID:506

/sbin/iptables
iptables -I PREROUTING -t nat -p udp --dport 5353 -j ACCEPT
2⤵
PID:507

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --sport 5353 -j ACCEPT"
1⤵
PID:508

/sbin/iptables
iptables -I POSTROUTING -t nat -p udp --sport 5353 -j ACCEPT
2⤵
PID:509

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Hijack Execution Flow

1

T1574

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Hijack Execution Flow

1

T1574

Defense Evasion

Hijack Execution Flow

Impair Defenses

Credential Access

Discovery

Network Service Scanning

1

T1046

System Network Configuration Discovery

2

T1016

System Network Connections Discovery

1

T1049

Lateral Movement

Collection

Command and Control

Dynamic Resolution

1

T1568

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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