Analysis
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max time kernel
11942s -
max time network
187s -
platform
linux_mips -
resource
debian9-mipsbe-en-20211208 -
submitted
25-04-2022 22:08
Static task
static1
Behavioral task
behavioral1
Sample
idadtrewq
Resource
debian9-mipsbe-en-20211208
General
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Target
idadtrewq
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Size
132KB
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MD5
59ce0baba11893f90527fc951ac69912
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SHA1
5857a7dd621c4c3ebb0b5a3bec915d409f70d39f
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SHA256
4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
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SHA512
c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647
Malware Config
Signatures
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Contacts a large (22678) 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:
idadtrewqdescription ioc process /proc/net/tcp /proc/net/tcp idadtrewq -
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 7454 ipinfo.io 7458 ipinfo.io -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
idadtrewqdescription ioc process /proc/net/tcp /proc/net/tcp idadtrewq /proc/net/raw /proc/net/raw idadtrewq /proc/net/route /proc/net/route -
Reads runtime system information 2 IoCs
Reads data from /proc virtual filesystem.
Processes:
idadtrewqdescription ioc process /proc/self/exe /proc/self/exe idadtrewq /proc/mounts /proc/mounts -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/idadtrewq /tmp/idadtrewq
Processes
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./idadtrewq./idadtrewq1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:321
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/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"1⤵PID:324
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 40417 -j ACCEPT"1⤵PID:335
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 40417 -j ACCEPT2⤵PID:336
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 40417 -j ACCEPT"1⤵PID:341
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 40417 -j ACCEPT2⤵PID:342
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 40417 -j ACCEPT"1⤵PID:343
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --destination-port 40417 -j ACCEPT2⤵PID:344
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 40417 -j ACCEPT"1⤵PID:352
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --source-port 40417 -j ACCEPT2⤵PID:353
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 40417 -j ACCEPT"1⤵PID:354
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/sbin/iptablesiptables -I INPUT -p tcp --dport 40417 -j ACCEPT2⤵PID:355
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 40417 -j ACCEPT"1⤵PID:356
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 40417 -j ACCEPT2⤵PID:358
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"1⤵PID:357
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 22 -j DROP2⤵PID:359
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --dport 40417 -j ACCEPT"1⤵PID:360
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --dport 40417 -j ACCEPT2⤵PID:362
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"1⤵PID:361
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 23 -j DROP2⤵PID:363
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --sport 40417 -j ACCEPT"1⤵PID:364
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/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --sport 40417 -j ACCEPT2⤵PID:366
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"1⤵PID:365
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 2323 -j DROP2⤵PID:367
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"1⤵PID:368
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 22 -j DROP2⤵PID:369
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"1⤵PID:370
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 23 -j DROP2⤵PID:371
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"1⤵PID:372
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 2323 -j DROP2⤵PID:373
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"1⤵PID:374
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/sbin/iptablesiptables -I INPUT -p tcp --dport 22 -j DROP2⤵PID:375
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"1⤵PID:376
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/sbin/iptablesiptables -I INPUT -p tcp --dport 23 -j DROP2⤵PID:377
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"1⤵PID:378
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/sbin/iptablesiptables -I INPUT -p tcp --dport 2323 -j DROP2⤵PID:379
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"1⤵PID:380
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 22 -j DROP2⤵PID:381
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"1⤵PID:382
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 23 -j DROP2⤵PID:383
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"1⤵PID:384
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 2323 -j DROP2⤵PID:385
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"1⤵PID:386
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 58000 -j DROP2⤵PID:387
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"1⤵PID:388
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 58000 -j DROP2⤵PID:389
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"1⤵PID:390
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/sbin/iptablesiptables -I INPUT -p tcp --dport 58000 -j DROP2⤵PID:391
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"1⤵PID:392
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 58000 -j DROP2⤵PID:393
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""1⤵PID:394
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""1⤵PID:395
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"1⤵PID:396
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 35000 -j DROP2⤵PID:397
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"1⤵PID:398
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 50023 -j DROP2⤵PID:399
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"1⤵PID:400
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 50023 -j DROP2⤵PID:401
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"1⤵PID:402
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 35000 -j DROP2⤵PID:403
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"1⤵PID:404
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 7547 -j DROP2⤵PID:405
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"1⤵PID:406
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/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 7547 -j DROP2⤵PID:407
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"1⤵PID:408
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/sbin/iptablesiptables -I INPUT -p tcp --dport 35000 -j DROP2⤵PID:409
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"1⤵PID:410
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/sbin/iptablesiptables -I INPUT -p tcp --dport 50023 -j DROP2⤵PID:411
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"1⤵PID:412
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 50023 -j DROP2⤵PID:413
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"1⤵PID:414
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 35000 -j DROP2⤵PID:415
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"1⤵PID:416
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/sbin/iptablesiptables -I INPUT -p tcp --dport 7547 -j DROP2⤵PID:417
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"1⤵PID:418
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/sbin/iptablesiptables -I OUTPUT -p tcp --sport 7547 -j DROP2⤵PID:419
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/bin/shsh -c "iptables -I INPUT -p udp --destination-port 29919 -j ACCEPT"1⤵PID:420
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/sbin/iptablesiptables -I INPUT -p udp --destination-port 29919 -j ACCEPT2⤵PID:421
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/bin/shsh -c "iptables -I OUTPUT -p udp --source-port 29919 -j ACCEPT"1⤵PID:422
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/sbin/iptablesiptables -I OUTPUT -p udp --source-port 29919 -j ACCEPT2⤵PID:423
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --destination-port 29919 -j ACCEPT"1⤵PID:424
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --destination-port 29919 -j ACCEPT2⤵PID:425
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --source-port 29919 -j ACCEPT"1⤵PID:426
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --source-port 29919 -j ACCEPT2⤵PID:427
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/bin/shsh -c "iptables -I INPUT -p udp --dport 29919 -j ACCEPT"1⤵PID:428
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/sbin/iptablesiptables -I INPUT -p udp --dport 29919 -j ACCEPT2⤵PID:429
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/bin/shsh -c "iptables -I OUTPUT -p udp --sport 29919 -j ACCEPT"1⤵PID:430
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/sbin/iptablesiptables -I OUTPUT -p udp --sport 29919 -j ACCEPT2⤵PID:431
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --dport 29919 -j ACCEPT"1⤵PID:432
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --dport 29919 -j ACCEPT2⤵PID:433
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --sport 29919 -j ACCEPT"1⤵PID:434
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/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --sport 29919 -j ACCEPT2⤵PID:435