12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef

General

Target

Mozi.mxzigrfnj
Size

300KB
MD5

eec5c6c219535fba3a0492ea8118b397
SHA1

292559e94f1c04b7d0c65d4a01bbbc5dc1ff6f21
SHA256

12013662c71da69de977c04cd7021f13a70cf7bed4ca6c82acbc100464d4b0ef
SHA512

3482c8324a18302f0f37b6e23ed85f24fff9f50bb568d8fd7461bf57f077a7c592f7a88bb2e1c398699958946d87bb93ab744d13a0003f9b879c15e6471f7400

Score

10^/10

discovery persistence suricata

Malware Config

Signatures

suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution
suricata: ET MALWARE JAWS Webserver Unauthenticated Shell Command Execution
suricata
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
suricata
suricata: ET MALWARE Mozi Botnet DHT Config Sent
suricata: ET MALWARE Mozi Botnet DHT Config Sent
suricata
Contacts a large (7016) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
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.mxzigrfnj

description ioc process

/proc/net/tcp /proc/net/tcp Mozi.mxzigrfnj
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4196 ipinfo.io
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.

System Network Configuration Discovery
T1016

Processes:

Mozi.mxzigrfnj

description ioc process

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

Processes:

description ioc

/proc/stat /proc/stat
/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.mxzigrfnj /tmp/Mozi.mxzigrfnj

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.mxzigrfnj

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

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

flow	ioc
4196	ipinfo.io

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

description	ioc
/proc/stat	/proc/stat
/proc/mounts	/proc/mounts

description	ioc
/tmp/Mozi.mxzigrfnj	/tmp/Mozi.mxzigrfnj

./Mozi.mxzigrfnj
./Mozi.mxzigrfnj
1⤵
- Enumerates active TCP sockets
- Reads system network configuration
PID:351

/bin/sh
/bin/sh -c "killall -9 telnetd utelnetd scfgmgr"
1⤵
PID:356

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --destination-port 58723 -j ACCEPT"
1⤵
PID:369

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 58723 -j ACCEPT
2⤵
PID:370

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 58723 -j ACCEPT"
1⤵
PID:376

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 58723 -j ACCEPT
2⤵
PID:377

/bin/sh
/bin/sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 58723 -j ACCEPT"
1⤵
PID:378

/sbin/iptables
iptables -I PREROUTING -t nat -p tcp --destination-port 58723 -j ACCEPT
2⤵
PID:379

/bin/sh
/bin/sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 58723 -j ACCEPT"
1⤵
PID:389

/sbin/iptables
iptables -I POSTROUTING -t nat -p tcp --source-port 58723 -j ACCEPT
2⤵
PID:390

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --dport 58723 -j ACCEPT"
1⤵
PID:391

/sbin/iptables
iptables -I INPUT -p tcp --dport 58723 -j ACCEPT
2⤵
PID:393

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"
1⤵
PID:392

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 58000 -j DROP
2⤵
PID:394

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --sport 58723 -j ACCEPT"
1⤵
PID:395

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 58723 -j ACCEPT
2⤵
PID:397

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"
1⤵
PID:396

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
2⤵
PID:398

/bin/sh
/bin/sh -c "iptables -I PREROUTING -t nat -p tcp --dport 58723 -j ACCEPT"
1⤵
PID:399

/sbin/iptables
iptables -I PREROUTING -t nat -p tcp --dport 58723 -j ACCEPT
2⤵
PID:401

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"
1⤵
PID:400

/sbin/iptables
iptables -I INPUT -p tcp --dport 58000 -j DROP
2⤵
PID:402

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"
1⤵
PID:403

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 58000 -j DROP
2⤵
PID:405

/bin/sh
/bin/sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 58723 -j ACCEPT"
1⤵
PID:404

/sbin/iptables
iptables -I POSTROUTING -t nat -p tcp --sport 58723 -j ACCEPT
2⤵
PID:406

/bin/sh
/bin/sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""
1⤵
PID:407

/bin/sh
/bin/sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""
1⤵
PID:408

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"
1⤵
PID:409

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 35000 -j DROP
2⤵
PID:410

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"
1⤵
PID:411

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 50023 -j DROP
2⤵
PID:412

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"
1⤵
PID:413

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
2⤵
PID:414

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"
1⤵
PID:415

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
2⤵
PID:416

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"
1⤵
PID:417

/sbin/iptables
iptables -I INPUT -p tcp --destination-port 7547 -j DROP
2⤵
PID:418

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"
1⤵
PID:419

/sbin/iptables
iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
2⤵
PID:420

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"
1⤵
PID:421

/sbin/iptables
iptables -I INPUT -p tcp --dport 35000 -j DROP
2⤵
PID:422

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"
1⤵
PID:423

/sbin/iptables
iptables -I INPUT -p tcp --dport 50023 -j DROP
2⤵
PID:424

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"
1⤵
PID:426

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 50023 -j DROP
2⤵
PID:428

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"
1⤵
PID:429

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 35000 -j DROP
2⤵
PID:430

/bin/sh
/bin/sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"
1⤵
PID:431

/sbin/iptables
iptables -I INPUT -p tcp --dport 7547 -j DROP
2⤵
PID:432

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"
1⤵
PID:433

/sbin/iptables
iptables -I OUTPUT -p tcp --sport 7547 -j DROP
2⤵
PID:434

/bin/sh
/bin/sh -c "iptables -I INPUT -p udp --destination-port 41474 -j ACCEPT"
1⤵
PID:435

/sbin/iptables
iptables -I INPUT -p udp --destination-port 41474 -j ACCEPT
2⤵
PID:436

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p udp --source-port 41474 -j ACCEPT"
1⤵
PID:439

/sbin/iptables
iptables -I OUTPUT -p udp --source-port 41474 -j ACCEPT
2⤵
PID:440

/bin/sh
/bin/sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 41474 -j ACCEPT"
1⤵
PID:441

/sbin/iptables
iptables -I PREROUTING -t nat -p udp --destination-port 41474 -j ACCEPT
2⤵
PID:442

/bin/sh
/bin/sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 41474 -j ACCEPT"
1⤵
PID:443

/sbin/iptables
iptables -I POSTROUTING -t nat -p udp --source-port 41474 -j ACCEPT
2⤵
PID:444

/bin/sh
/bin/sh -c "iptables -I INPUT -p udp --dport 41474 -j ACCEPT"
1⤵
PID:445

/sbin/iptables
iptables -I INPUT -p udp --dport 41474 -j ACCEPT
2⤵
PID:446

/bin/sh
/bin/sh -c "iptables -I OUTPUT -p udp --sport 41474 -j ACCEPT"
1⤵
PID:447

/sbin/iptables
iptables -I OUTPUT -p udp --sport 41474 -j ACCEPT
2⤵
PID:448

/bin/sh
/bin/sh -c "iptables -I PREROUTING -t nat -p udp --dport 41474 -j ACCEPT"
1⤵
PID:449

/sbin/iptables
iptables -I PREROUTING -t nat -p udp --dport 41474 -j ACCEPT
2⤵
PID:450

/bin/sh
/bin/sh -c "iptables -I POSTROUTING -t nat -p udp --sport 41474 -j ACCEPT"
1⤵
PID:451

/sbin/iptables
iptables -I POSTROUTING -t nat -p udp --sport 41474 -j ACCEPT
2⤵
PID:452

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hijack Execution Flow

1

T1574

Boot or Logon Autostart Execution

1

T1547

Privilege Escalation

Hijack Execution Flow

1

T1574

Boot or Logon Autostart Execution

1

T1547

Defense Evasion

Impair Defenses

1

T1562

Hijack Execution Flow

1

T1574

Credential Access

Discovery

Network Service Scanning

2

T1046

System Network Connections Discovery

1

T1049

System Network Configuration Discovery

2

T1016

Lateral Movement

Collection

Exfiltration

Command and Control

Dynamic Resolution

1

T1568

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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