Analysis
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max time kernel
8421s -
max time network
148s -
platform
debian-9_mips -
resource
debian9-mipsbe-20221111-en -
resource tags
arch:mipsimage:debian9-mipsbe-20221111-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem -
submitted
17-02-2023 05:06
Static task
static1
Behavioral task
behavioral1
Sample
020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0
Resource
debian9-mipsbe-20221111-en
General
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Target
020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0
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Size
83KB
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MD5
5377e8f2ebdb280216c37a6195da9d6c
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SHA1
b54c705193b7963a0d40699a91cdb34fedecbe88
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SHA256
020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0
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SHA512
65e5aec56ddde56f245a20f88553d2f76bd7dd8e1940e9d49637d51a868fe73003b8a95fffeb9481110579f6ee4790fc9af1668d435930d4c01b116490908eed
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SSDEEP
1536:yYI0ARqw1qAEW67UIWi7M8gmfmJo0WgswnD6Efyq8PxlRkp2K3/J1V+uBNu:yYI0ARqw1qAEv7UIFM8oJorFquyjkRks
Malware Config
Signatures
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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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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.
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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 -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
description ioc /proc/net/route /proc/net/route /proc/net/tcp /proc/net/tcp /proc/net/tcp6 /proc/net/tcp6 -
Reads runtime system information 64 IoCs
Reads data from /proc virtual filesystem.
Processes:
description ioc /proc/290/fd /proc/290/fd /proc/216/cmdline /proc/216/cmdline /proc/74/cmdline /proc/74/cmdline /proc/8/cmdline /proc/8/cmdline /proc/208/fd /proc/208/fd /proc/157/cmdline /proc/157/cmdline /proc/106/cmdline /proc/106/cmdline /proc/1/cmdline /proc/1/cmdline /proc/20/cmdline /proc/20/cmdline /proc/2/cmdline /proc/2/cmdline /proc/290/cmdline /proc/290/cmdline /proc/217/cmdline /proc/217/cmdline /proc/82/cmdline /proc/82/cmdline /proc/21/cmdline /proc/21/cmdline /proc/18/cmdline /proc/18/cmdline /proc/16/cmdline /proc/16/cmdline /proc/10/cmdline /proc/10/cmdline /proc/294/cmdline /proc/294/cmdline /proc/219/cmdline /proc/219/cmdline /proc/157/fd /proc/157/fd /proc/22/cmdline /proc/22/cmdline /proc/5/cmdline /proc/5/cmdline /proc/9/cmdline /proc/9/cmdline /proc/326/fd /proc/326/fd /proc/305/cmdline /proc/305/cmdline /proc/294/fd /proc/294/fd /proc/221/fd /proc/221/fd /proc/146/cmdline /proc/146/cmdline /proc/115/cmdline /proc/115/cmdline /proc/3/cmdline /proc/3/cmdline /proc/37/cmdline /proc/37/cmdline /proc/17/cmdline /proc/17/cmdline /proc/305/fd /proc/305/fd /proc/216/fd /proc/216/fd /proc/141/cmdline /proc/141/cmdline /proc/84/cmdline /proc/84/cmdline /proc/222/fd /proc/222/fd /proc/116/cmdline /proc/116/cmdline /proc/36/cmdline /proc/36/cmdline /proc/4/cmdline /proc/4/cmdline /proc/76/cmdline /proc/76/cmdline /proc/15/cmdline /proc/15/cmdline /proc/7/cmdline /proc/7/cmdline /proc/321/cmdline /proc/321/cmdline /proc/306/fd /proc/306/fd /proc/271/cmdline /proc/271/cmdline /proc/253/cmdline /proc/253/cmdline /proc/75/cmdline /proc/75/cmdline /proc/14/cmdline /proc/14/cmdline /proc/24/cmdline /proc/24/cmdline /proc/12/cmdline /proc/12/cmdline /proc/271/fd /proc/271/fd /proc/256/cmdline /proc/256/cmdline /proc/78/cmdline /proc/78/cmdline /proc/71/cmdline /proc/71/cmdline /proc/19/cmdline /proc/19/cmdline /proc/256/fd /proc/256/fd /proc/222/cmdline /proc/222/cmdline /proc/141/fd /proc/141/fd /proc/70/cmdline /proc/70/cmdline /proc/1/fd /proc/1/fd /proc/252/fd /proc/252/fd /proc/73/cmdline /proc/73/cmdline /proc/68/cmdline /proc/68/cmdline -
Writes file to tmp directory 3 IoCs
Malware often drops required files in the /tmp directory.
Processes:
description ioc /tmp/020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0 /tmp/020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0 /tmp/ftpupdate.sh /tmp/ftpupdate.sh /tmp/ftpupload.sh /tmp/ftpupload.sh
Processes
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/tmp/020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f0/tmp/020f1fa6072108c79ed6f553f4f8b08e157bf17f9c260a76353300230fed09f01⤵PID:323
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/bin/shsh -c "iptables -A INPUT -p tcp --destination-port 23 -j DROP"1⤵PID:327
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 23 -j DROP2⤵PID:328
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/bin/shsh -c "iptables -A INPUT -p tcp --destination-port 7547 -j DROP"1⤵PID:337
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 7547 -j DROP2⤵PID:338
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/bin/shsh -c "iptables -A INPUT -p tcp --destination-port 5555 -j DROP"1⤵PID:339
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 5555 -j DROP2⤵PID:340
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/bin/shsh -c "iptables -A INPUT -p tcp --destination-port 5358 -j DROP"1⤵PID:341
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/sbin/iptablesiptables -A INPUT -p tcp --destination-port 5358 -j DROP2⤵PID:342
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/bin/shsh -c "iptables -D INPUT -j CWMP_CR"1⤵PID:343
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/sbin/iptablesiptables -D INPUT -j CWMP_CR2⤵PID:344
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/bin/shsh -c "iptables -X CWMP_CR"1⤵PID:345
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/sbin/iptablesiptables -X CWMP_CR2⤵PID:346
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/bin/shsh -c "iptables -I INPUT -p udp --dport 64826 -j ACCEPT"1⤵PID:347
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/sbin/iptablesiptables -I INPUT -p udp --dport 64826 -j ACCEPT2⤵PID:348
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