Analysis
-
max time kernel
86s -
max time network
89s -
platform
linux_mips -
resource
debian9-mipsbe-en-20211208 -
resource tags
arch:mipsimage:debian9-mipsbe-en-20211208kernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem -
submitted
30-06-2023 11:52
Behavioral task
behavioral1
Sample
Mozi.m
Resource
debian9-mipsbe-en-20211208
General
-
Target
Mozi.m
-
Size
132KB
-
MD5
a73ddd6ec22462db955439f665cad4e6
-
SHA1
ac6962542a4b23ac13bddff22f8df9aeb702ef12
-
SHA256
b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605
-
SHA512
92a52f68a7324c4d5876e1f7e2cb87d14b8604b057ceee2e537815568faa96abf576a22111c5c976eff72ab9015f1261b2331d4b4d711f4e62c8eb403c2377aa
-
SSDEEP
3072:2glZ3FtCKXhkmHtZ9TEKzjfj/WMngyIfsJ0F7xPtoM:2IIKXhZtL7jOTyIG87Xl
Malware Config
Signatures
-
Contacts a large (5034) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
-
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.
Processes:
resource yara_rule /usr/networks patched_upx -
Changes its process name 1 IoCs
Processes:
shdescription ioc pid process Changes the process name, possibly in an attempt to hide itself dropbear 337 sh -
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
Processes:
description ioc File opened for modification /dev/watchdog File opened for modification /dev/misc/watchdog -
Processes:
resource yara_rule /usr/networks upx -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
-
Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
Processes:
Mozi.mdescription ioc process File opened for reading /proc/net/tcp Mozi.m -
Processes:
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.
Processes:
description ioc File opened for reading /proc/net/route -
Writes file to system bin folder 1 TTPs 2 IoCs
Processes:
description ioc File opened for modification /bin/watchdog File opened for modification /sbin/watchdog -
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
Processes:
Mozi.mdescription 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 -
Reads runtime system information 2 IoCs
Reads data from /proc virtual filesystem.
Processes:
Mozi.mdescription ioc process File opened for reading /proc/self/exe Mozi.m File opened for reading /proc/mounts -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
Processes:
Mozi.mdescription ioc process File opened for modification /tmp/.ips Mozi.m
Processes
-
/tmp/Mozi.m/tmp/Mozi.m1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
-
/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"1⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 40131 -j ACCEPT"1⤵
- Changes its process name
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --destination-port 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --source-port 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 22 -j DROP2⤵
-
/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --dport 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --dport 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --sport 40131 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --sport 40131 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 23 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 2323 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 22 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 23 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 2323 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 22 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 23 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 2323 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 22 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 23 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 2323 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 58000 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 58000 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 58000 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 58000 -j DROP2⤵
-
/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""1⤵
-
/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""1⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 35000 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 50023 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 50023 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 35000 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --destination-port 7547 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 7547 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 35000 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 50023 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 50023 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 35000 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"1⤵
-
/sbin/iptablesiptables -I INPUT -p tcp --dport 7547 -j DROP2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 7547 -j DROP2⤵
-
/bin/shsh -c "iptables -I INPUT -p udp --destination-port 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I INPUT -p udp --destination-port 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p udp --source-port 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p udp --source-port 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --destination-port 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I PREROUTING -t nat -p udp --destination-port 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --source-port 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --source-port 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I INPUT -p udp --dport 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I INPUT -p udp --dport 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I OUTPUT -p udp --sport 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I OUTPUT -p udp --sport 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --dport 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I PREROUTING -t nat -p udp --dport 20441 -j ACCEPT2⤵
-
/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --sport 20441 -j ACCEPT"1⤵
-
/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --sport 20441 -j ACCEPT2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
/etc/rcS.d/S95baby.shFilesize
25B
MD51b3235ba10fc04836c941d3d27301956
SHA18909655763143702430b8c58b3ae3b04cfd3a29c
SHA25601ba1fb41632594997a41d0c3a911ae5b3034d566ebb991ef76ad76e6f9e283a
SHA51298bdb5c266222ccbd63b6f80c87e501c8033dc53b0513d300b8da50e39a207a0b69f8cd3ecc4a128dec340a1186779fedd1049c9b0a70e90d2cb3ae6ebfa4c4d
-
/usr/networksFilesize
132KB
MD5a73ddd6ec22462db955439f665cad4e6
SHA1ac6962542a4b23ac13bddff22f8df9aeb702ef12
SHA256b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605
SHA51292a52f68a7324c4d5876e1f7e2cb87d14b8604b057ceee2e537815568faa96abf576a22111c5c976eff72ab9015f1261b2331d4b4d711f4e62c8eb403c2377aa
-
memory/335-1-0x00400000-0x004c1f18-memory.dmp