Analysis
- max time kernel
87s - max time network
146s - platform
debian-9_mips - resource
debian9-mipsbe-20260513-en - resource tags
arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem - submitted
07/10/2026, 12:17
Behavioral task
behavioral1
Sample
sample
Resource
debian9-mipsbe-20260513-en
General
- Target sample
- Size 129KB
- Sample261007-pgcrbaxzex
- SHA256 2e4506802aedea2e6d53910dfb296323be6620ac08c4b799a879eace5923a7b6
- MD5 fbe51695e97a45dc61967dc3241a37dc
- SHA1 1ed14334b5b71783cd6ec14b8a704fe48e600cf0
- SHA512 c35eab56ba59beb2ec2b362e4d1aae734fadc2d9db1d720439337dcade13ec9c7b68da9d03821efc7277abaf9bace342ff35593373e04c67327d5f7db460ad8a
- SSDEEP 3072:/TNVO/QJHZcfFj4rwLQGTNO5VZLwHm7vuQTpZUyY6cot:7O/QJHZweEL/NOjCHm7FZZncI
- TLSH T16FD312ABC8FA89CEFE6A4FF5265B1D4B0EF6E1D5E5C43DA4412B008017F8256A514B4C
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Mozi Payload 1 IoCs
resource yara_rule behavioral1/memory/725-1-0x00400000-0x004bac18-memory.dmp family_mozi - Contacts a large (12624) 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.
resource yara_rule behavioral1/files/fstream-3.dat patched_upx - Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/watchdog sample File opened for modification /dev/misc/watchdog sample - 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.
description ioc Process File opened for reading /proc/net/tcp sample - Enumerates running processes
Discovers information about currently running processes on the system
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description ioc Process File opened for modification /etc/init.d/S95baby.sh sample File opened for modification /etc/init.d/keyboard-setup.sh sample File opened for modification /etc/init.d/console-setup.sh sample File opened for modification /etc/init.d/hwclock.sh sample - Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/route sample - Writes file to system bin folder 2 IoCs
description ioc Process File opened for modification /sbin/watchdog sample File opened for modification /bin/watchdog sample -
resource yara_rule behavioral1/files/fstream-3.dat upx - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself sshd 728 sample - Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp sample File opened for reading /proc/net/raw sample File opened for reading /proc/net/route sample -
description ioc Process File opened for reading /proc/self/exe sample File opened for reading /proc/18/stat killall File opened for reading /proc/11/stat killall File opened for reading /proc/71/stat killall File opened for reading /proc/77/stat killall File opened for reading /proc/110/stat killall File opened for reading /proc/347/stat killall File opened for reading /proc/685/stat killall File opened for reading /proc/716/cmdline killall File opened for reading /proc/721/stat killall File opened for reading /proc/8/stat killall File opened for reading /proc/23/stat killall File opened for reading /proc/69/stat killall File opened for reading /proc/79/stat killall File opened for reading /proc/127/stat killall File opened for reading /proc/714/stat killall File opened for reading /proc/716/stat killall File opened for reading /proc/17/stat killall File opened for reading /proc/21/stat killall File opened for reading /proc/36/stat killall File opened for reading /proc/177/stat killall File opened for reading /proc/253/stat killall File opened for reading /proc/345/stat killall File opened for reading /proc/3/stat killall File opened for reading /proc/728/stat killall File opened for reading /proc/7/stat killall File opened for reading /proc/16/stat killall File opened for reading /proc/126/stat killall File opened for reading /proc/13/stat killall File opened for reading /proc/70/stat killall File opened for reading /proc/76/stat killall File opened for reading /proc/237/stat killall File opened for reading /proc/342/stat killall File opened for reading /proc/691/stat killall File opened for reading /proc/732/stat killall File opened for reading /proc/15/stat killall File opened for reading /proc/339/stat killall File opened for reading /proc/127/cmdline killall File opened for reading /proc/722/stat killall File opened for reading /proc/1/stat killall File opened for reading /proc/2/stat killall File opened for reading /proc/6/stat killall File opened for reading /proc/12/stat killall File opened for reading /proc/72/stat killall File opened for reading /proc/399/stat killall File opened for reading /proc/723/stat killall File opened for reading /proc/730/cmdline killall File opened for reading /proc/10/stat killall File opened for reading /proc/14/stat killall File opened for reading /proc/73/stat killall File opened for reading /proc/74/stat killall File opened for reading /proc/160/stat killall File opened for reading /proc/690/stat killall File opened for reading /proc/37/stat killall File opened for reading /proc/82/stat killall File opened for reading /proc/9/stat killall File opened for reading /proc/157/stat killall File opened for reading /proc/393/stat killall File opened for reading /proc/677/stat killall File opened for reading /proc/729/stat killall File opened for reading /proc/mounts sample File opened for reading /proc/4/stat killall File opened for reading /proc/22/stat killall File opened for reading /proc/81/stat killall - System Network Configuration Discovery 1 TTPs 22 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 832 sh 873 sh 918 sh 814 sh 848 sh 854 sh 865 sh 880 sh 886 sh 898 sh 852 sh 871 sh 906 sh 915 sh 924 sh 940 sh 944 sh 842 sh 901 sh 932 sh 936 sh 827 sh - 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 sample File opened for modification /tmp/.config sample
Processes
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/tmp/sample/tmp/sample1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Modifies init.d
- Reads system routing table
- Writes file to system bin folder
- Changes its process name
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
PID:725 -
/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"2⤵PID:729
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/usr/bin/killallkillall -9 telnetd utelnetd scfgmgr3⤵
- Reads runtime system information
PID:731
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 55099 -j ACCEPT"2⤵PID:810
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 55099 -j ACCEPT3⤵PID:811
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 55099 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:814 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 55099 -j ACCEPT3⤵PID:817
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 55099 -j ACCEPT"2⤵PID:818
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --destination-port 55099 -j ACCEPT3⤵PID:819
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 55099 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:827 -
/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --source-port 55099 -j ACCEPT3⤵PID:829
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 55099 -j ACCEPT"2⤵PID:830
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/sbin/iptablesiptables -I INPUT -p tcp --dport 55099 -j ACCEPT3⤵PID:831
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 55099 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:832 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 55099 -j ACCEPT3⤵PID:835
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"2⤵PID:833
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 22 -j DROP3⤵PID:836
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --dport 55099 -j ACCEPT"2⤵PID:838
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/sbin/iptablesiptables -I PREROUTING -t nat -p tcp --dport 55099 -j ACCEPT3⤵PID:840
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"2⤵PID:839
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 23 -j DROP3⤵PID:841
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --sport 55099 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:842 -
/sbin/iptablesiptables -I POSTROUTING -t nat -p tcp --sport 55099 -j ACCEPT3⤵PID:843
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"2⤵PID:846
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 2323 -j DROP3⤵PID:847
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"2⤵
- System Network Configuration Discovery
PID:848 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 22 -j DROP3⤵PID:849
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"2⤵
- System Network Configuration Discovery
PID:852 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 23 -j DROP3⤵PID:853
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"2⤵
- System Network Configuration Discovery
PID:854 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 2323 -j DROP3⤵PID:855
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"2⤵PID:856
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/sbin/iptablesiptables -I INPUT -p tcp --dport 22 -j DROP3⤵PID:858
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"2⤵PID:860
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/sbin/iptablesiptables -I INPUT -p tcp --dport 23 -j DROP3⤵PID:861
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"2⤵PID:862
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/sbin/iptablesiptables -I INPUT -p tcp --dport 2323 -j DROP3⤵PID:863
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"2⤵
- System Network Configuration Discovery
PID:865 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 22 -j DROP3⤵PID:866
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"2⤵
- System Network Configuration Discovery
PID:871 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 23 -j DROP3⤵PID:872
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"2⤵
- System Network Configuration Discovery
PID:873 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 2323 -j DROP3⤵PID:875
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"2⤵PID:877
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 58000 -j DROP3⤵PID:878
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"2⤵
- System Network Configuration Discovery
PID:880 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 58000 -j DROP3⤵PID:882
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"2⤵PID:884
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/sbin/iptablesiptables -I INPUT -p tcp --dport 58000 -j DROP3⤵PID:885
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"2⤵
- System Network Configuration Discovery
PID:886 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 58000 -j DROP3⤵PID:887
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""2⤵PID:889
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""2⤵PID:891
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"2⤵PID:892
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 35000 -j DROP3⤵PID:893
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"2⤵PID:895
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 50023 -j DROP3⤵PID:897
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"2⤵
- System Network Configuration Discovery
PID:898 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 50023 -j DROP3⤵PID:899
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"2⤵
- System Network Configuration Discovery
PID:901 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 35000 -j DROP3⤵PID:902
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"2⤵PID:904
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/sbin/iptablesiptables -I INPUT -p tcp --destination-port 7547 -j DROP3⤵PID:905
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"2⤵
- System Network Configuration Discovery
PID:906 -
/sbin/iptablesiptables -I OUTPUT -p tcp --source-port 7547 -j DROP3⤵PID:907
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"2⤵PID:909
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/sbin/iptablesiptables -I INPUT -p tcp --dport 35000 -j DROP3⤵PID:911
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"2⤵PID:912
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/sbin/iptablesiptables -I INPUT -p tcp --dport 50023 -j DROP3⤵PID:913
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"2⤵
- System Network Configuration Discovery
PID:915 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 50023 -j DROP3⤵PID:917
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"2⤵
- System Network Configuration Discovery
PID:918 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 35000 -j DROP3⤵PID:919
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"2⤵PID:921
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/sbin/iptablesiptables -I INPUT -p tcp --dport 7547 -j DROP3⤵PID:922
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"2⤵
- System Network Configuration Discovery
PID:924 -
/sbin/iptablesiptables -I OUTPUT -p tcp --sport 7547 -j DROP3⤵PID:925
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/bin/shsh -c "iptables -I INPUT -p udp --destination-port 57362 -j ACCEPT"2⤵PID:930
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/sbin/iptablesiptables -I INPUT -p udp --destination-port 57362 -j ACCEPT3⤵PID:931
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/bin/shsh -c "iptables -I OUTPUT -p udp --source-port 57362 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:932 -
/sbin/iptablesiptables -I OUTPUT -p udp --source-port 57362 -j ACCEPT3⤵PID:933
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --destination-port 57362 -j ACCEPT"2⤵PID:934
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --destination-port 57362 -j ACCEPT3⤵PID:935
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --source-port 57362 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:936 -
/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --source-port 57362 -j ACCEPT3⤵PID:937
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/bin/shsh -c "iptables -I INPUT -p udp --dport 57362 -j ACCEPT"2⤵PID:938
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/sbin/iptablesiptables -I INPUT -p udp --dport 57362 -j ACCEPT3⤵PID:939
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/bin/shsh -c "iptables -I OUTPUT -p udp --sport 57362 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:940 -
/sbin/iptablesiptables -I OUTPUT -p udp --sport 57362 -j ACCEPT3⤵PID:941
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/bin/shsh -c "iptables -I PREROUTING -t nat -p udp --dport 57362 -j ACCEPT"2⤵PID:942
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/sbin/iptablesiptables -I PREROUTING -t nat -p udp --dport 57362 -j ACCEPT3⤵PID:943
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p udp --sport 57362 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:944 -
/sbin/iptablesiptables -I POSTROUTING -t nat -p udp --sport 57362 -j ACCEPT3⤵PID:945
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Boot or Logon Initialization Scripts
1RC Scripts
1Privilege Escalation
Boot or Logon Autostart Execution
1Boot or Logon Initialization Scripts
1RC Scripts
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /etc/rcS.d/S95baby.sh
- Size 25B
- SHA256 01ba1fb41632594997a41d0c3a911ae5b3034d566ebb991ef76ad76e6f9e283a
- MD5 1b3235ba10fc04836c941d3d27301956
- SHA1 8909655763143702430b8c58b3ae3b04cfd3a29c
- SHA512 98bdb5c266222ccbd63b6f80c87e501c8033dc53b0513d300b8da50e39a207a0b69f8cd3ecc4a128dec340a1186779fedd1049c9b0a70e90d2cb3ae6ebfa4c4d
- MD5 SHA1 SHA512
- Path /tmp/.config
- Size 147B
- SHA256 74c9b3a712c3e883f3d0181d64bb83d4aa02f1619615f4f584441e4ae4de0936
- MD5 b8a8f466da2abb274b5da8a184d10172
- SHA1 2444c38c3462702bf815cf4e37100214824b76e6
- SHA512 33dfaaae402915c324acb901a94deac1c6f4b2773bdd9fc5e61fed5fd848570a699abcf3f178f8c2b2bdf527dd10a40edaefbe43b94f6e2f1d8e69ebd681768f
- TLSH T1ADC08CD4ACA001A08CAC6C4228A0770DC0818B330A135C00A7898C6403889A7AA20A11
- MD5 SHA1 SHA512 TLSH
- Path /usr/networks
- Size 129KB
- SHA256 2e4506802aedea2e6d53910dfb296323be6620ac08c4b799a879eace5923a7b6
- MD5 fbe51695e97a45dc61967dc3241a37dc
- SHA1 1ed14334b5b71783cd6ec14b8a704fe48e600cf0
- SHA512 c35eab56ba59beb2ec2b362e4d1aae734fadc2d9db1d720439337dcade13ec9c7b68da9d03821efc7277abaf9bace342ff35593373e04c67327d5f7db460ad8a
- SSDEEP 3072:/TNVO/QJHZcfFj4rwLQGTNO5VZLwHm7vuQTpZUyY6cot:7O/QJHZweEL/NOjCHm7FZZncI
- TLSH T16FD312ABC8FA89CEFE6A4FF5265B1D4B0EF6E1D5E5C43DA4412B008017F8256A514B4C
- MD5 SHA1 SHA512 SSDEEP TLSH