4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

General

Target

Mozi.m
Size

132KB
MD5

59ce0baba11893f90527fc951ac69912
SHA1

5857a7dd621c4c3ebb0b5a3bec915d409f70d39f
SHA256

4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
SHA512

c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647
SSDEEP

3072:phNlHuBafLeBtfCzpta8xlBIOdVo3/4sxLJ10xioP:p3lOYoaja8xzx/0wsxzSi2

Score

9^/10

discovery persistence upx

Malware Config

Signatures

Contacts a large (17050) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Patched UPX-packed file 1 IoCs

Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

resource	yara_rule
behavioral2/files/fstream-3.dat	patched_upx

Changes its process name 1 IoCs

description	ioc	pid
Changes the process name, possibly in an attempt to hide itself	dropbear	339

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

Impair Defenses

T1562

description	ioc
File opened for modification	/dev/watchdog
File opened for modification	/dev/misc/watchdog

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/fstream-3.dat	upx

Enumerates active TCP sockets 1 TTPs 1 IoCs

Gets active TCP sockets from /proc virtual filesystem.

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/proc/net/tcp	Mozi.m

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11157	ipinfo.io
11156	ipinfo.io

Modifies init.d 1 TTPs 2 IoCs

Adds/modifies system service, likely for persistence.

persistence

Boot or Logon Autostart Execution

T1547

description	ioc
File opened for modification	/etc/init.d/S95baby.sh
File opened for modification	/etc/init.d/hwclock.sh

Reads system routing table 1 TTPs 1 IoCs

Gets active network interfaces from /proc virtual filesystem.

System Network Configuration Discovery

T1016

description	ioc
File opened for reading	/proc/net/route

Writes file to system bin folder 1 TTPs 2 IoCs

Hijack Execution Flow

T1574

description	ioc
File opened for modification	/sbin/watchdog
File opened for modification	/bin/watchdog

Reads system network configuration 1 TTPs 3 IoCs

Uses contents of /proc filesystem to enumerate network settings.

System Network Configuration Discovery

T1016

description	ioc	Process
File opened for reading	/proc/net/tcp	Mozi.m
File opened for reading	/proc/net/raw	Mozi.m
File opened for reading	/proc/net/route	Process not Found

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

description	ioc	Process
File opened for reading	/proc/self/exe	Mozi.m
File opened for reading	/proc/mounts	Process not Found

Writes file to tmp directory 2 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/.ips	Mozi.m
File opened for modification	/tmp/.config	Process not Found

/tmp/Mozi.m
/tmp/Mozi.m
1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
PID:337

/bin/sh
sh -c "killall -9 telnetd utelnetd scfgmgr"
1⤵
PID:340

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 45235 -j ACCEPT"
1⤵
PID:351
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 45235 -j ACCEPT
  2⤵
  PID:352

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 45235 -j ACCEPT"
1⤵
PID:357
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 45235 -j ACCEPT
  2⤵
  PID:358

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 45235 -j ACCEPT"
1⤵
PID:359
- /sbin/iptables
  iptables -I PREROUTING -t nat -p tcp --destination-port 45235 -j ACCEPT
  2⤵
  PID:360

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 45235 -j ACCEPT"
1⤵
PID:369
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p tcp --source-port 45235 -j ACCEPT
  2⤵
  PID:370

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 45235 -j ACCEPT"
1⤵
PID:371
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 45235 -j ACCEPT
  2⤵
  PID:372

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 45235 -j ACCEPT"
1⤵
PID:373
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 45235 -j ACCEPT
  2⤵
  PID:374

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --dport 45235 -j ACCEPT"
1⤵
PID:375
- /sbin/iptables
  iptables -I PREROUTING -t nat -p tcp --dport 45235 -j ACCEPT
  2⤵
  PID:376

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 45235 -j ACCEPT"
1⤵
PID:377
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p tcp --sport 45235 -j ACCEPT
  2⤵
  PID:378

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"
1⤵
PID:379
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 22 -j DROP
  2⤵
  PID:380

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"
1⤵
PID:381
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 23 -j DROP
  2⤵
  PID:382

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"
1⤵
PID:383
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 2323 -j DROP
  2⤵
  PID:384

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"
1⤵
PID:385
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 22 -j DROP
  2⤵
  PID:386

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"
1⤵
PID:387
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 23 -j DROP
  2⤵
  PID:388

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"
1⤵
PID:389
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
  2⤵
  PID:390

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"
1⤵
PID:391
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 22 -j DROP
  2⤵
  PID:392

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"
1⤵
PID:393
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 23 -j DROP
  2⤵
  PID:394

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"
1⤵
PID:395
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 2323 -j DROP
  2⤵
  PID:396

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"
1⤵
PID:397
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 22 -j DROP
  2⤵
  PID:398

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"
1⤵
PID:399
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 23 -j DROP
  2⤵
  PID:400

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"
1⤵
PID:401
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 2323 -j DROP
  2⤵
  PID:402

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"
1⤵
PID:403
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 58000 -j DROP
  2⤵
  PID:404

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"
1⤵
PID:405
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
  2⤵
  PID:406

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"
1⤵
PID:407
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 58000 -j DROP
  2⤵
  PID:408

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"
1⤵
PID:409
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 58000 -j DROP
  2⤵
  PID:410

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""
1⤵
PID:411

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""
1⤵
PID:412

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"
1⤵
PID:413
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 35000 -j DROP
  2⤵
  PID:414

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"
1⤵
PID:415
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 50023 -j DROP
  2⤵
  PID:416

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"
1⤵
PID:417
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
  2⤵
  PID:418

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"
1⤵
PID:419
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
  2⤵
  PID:420

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"
1⤵
PID:421
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 7547 -j DROP
  2⤵
  PID:422

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"
1⤵
PID:423
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
  2⤵
  PID:424

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"
1⤵
PID:425
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 35000 -j DROP
  2⤵
  PID:426

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"
1⤵
PID:430
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 50023 -j DROP
  2⤵
  PID:431

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"
1⤵
PID:432
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 50023 -j DROP
  2⤵
  PID:433

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"
1⤵
PID:434
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 35000 -j DROP
  2⤵
  PID:435

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"
1⤵
PID:436
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 7547 -j DROP
  2⤵
  PID:437

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"
1⤵
PID:438
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 7547 -j DROP
  2⤵
  PID:439

/bin/sh
sh -c "iptables -I INPUT -p udp --destination-port 30591 -j ACCEPT"
1⤵
PID:440
- /sbin/iptables
  iptables -I INPUT -p udp --destination-port 30591 -j ACCEPT
  2⤵
  PID:441

/bin/sh
sh -c "iptables -I OUTPUT -p udp --source-port 30591 -j ACCEPT"
1⤵
PID:442
- /sbin/iptables
  iptables -I OUTPUT -p udp --source-port 30591 -j ACCEPT
  2⤵
  PID:443

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 30591 -j ACCEPT"
1⤵
PID:444
- /sbin/iptables
  iptables -I PREROUTING -t nat -p udp --destination-port 30591 -j ACCEPT
  2⤵
  PID:445

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 30591 -j ACCEPT"
1⤵
PID:446
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p udp --source-port 30591 -j ACCEPT
  2⤵
  PID:447

/bin/sh
sh -c "iptables -I INPUT -p udp --dport 30591 -j ACCEPT"
1⤵
PID:448
- /sbin/iptables
  iptables -I INPUT -p udp --dport 30591 -j ACCEPT
  2⤵
  PID:449

/bin/sh
sh -c "iptables -I OUTPUT -p udp --sport 30591 -j ACCEPT"
1⤵
PID:450
- /sbin/iptables
  iptables -I OUTPUT -p udp --sport 30591 -j ACCEPT
  2⤵
  PID:451

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --dport 30591 -j ACCEPT"
1⤵
PID:452
- /sbin/iptables
  iptables -I PREROUTING -t nat -p udp --dport 30591 -j ACCEPT
  2⤵
  PID:453

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --sport 30591 -j ACCEPT"
1⤵
PID:454
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p udp --sport 30591 -j ACCEPT
  2⤵
  PID:455

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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 Discovery

2

T1046

System Network Configuration Discovery

2

T1016

System Network Connections Discovery

1

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/etc/rcS.d/S95baby.sh

Filesize
25B

MD5
1b3235ba10fc04836c941d3d27301956

SHA1
8909655763143702430b8c58b3ae3b04cfd3a29c

SHA256
01ba1fb41632594997a41d0c3a911ae5b3034d566ebb991ef76ad76e6f9e283a

SHA512
98bdb5c266222ccbd63b6f80c87e501c8033dc53b0513d300b8da50e39a207a0b69f8cd3ecc4a128dec340a1186779fedd1049c9b0a70e90d2cb3ae6ebfa4c4d

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/tmp/.config

Filesize
147B

MD5
b8a8f466da2abb274b5da8a184d10172

SHA1
2444c38c3462702bf815cf4e37100214824b76e6

SHA256
74c9b3a712c3e883f3d0181d64bb83d4aa02f1619615f4f584441e4ae4de0936

SHA512
33dfaaae402915c324acb901a94deac1c6f4b2773bdd9fc5e61fed5fd848570a699abcf3f178f8c2b2bdf527dd10a40edaefbe43b94f6e2f1d8e69ebd681768f

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/usr/networks

Filesize
132KB

MD5
59ce0baba11893f90527fc951ac69912

SHA1
5857a7dd621c4c3ebb0b5a3bec915d409f70d39f

SHA256
4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

SHA512
c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads