Analysis
- max time kernel
151s - max time network
157s - platform
debian-12_mipsel - resource
debian12-mipsel-20260513-en - resource tags
arch:mipselimage:debian12-mipsel-20260513-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem - submitted
08/08/2026, 12:19
Behavioral task
behavioral1
Sample
sample
Resource
debian12-mipsel-20260513-en
General
- Target sample
- Size 134KB
- Sample260808-phb66swfpg
- SHA256 f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
- MD5 3849f30b51a5c49e8d1546960cc206c7
- SHA1 61c74136534b826059c63221a2373dc0613a47b7
- SHA512 43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
- SSDEEP 3072:biMYFJvw6Yh0b1gKobtCGCmCRlrisfrYm:fYFJvwe1gKCYVl2szN
- TLSH T159D31322D3130C4FC02579FA7A2BE62A39873E6A24CE449C45F5D66A2FB7084ED71753
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Mozi Payload 1 IoCs
resource yara_rule behavioral1/memory/807-1-0x00400000-0x004c2f18-memory.dmp family_mozi - Contacts a large (12966) 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-2.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 - 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-2.dat upx - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself dropbear 810 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/59/stat killall File opened for reading /proc/137/cmdline killall File opened for reading /proc/661/stat killall File opened for reading /proc/1/stat killall File opened for reading /proc/13/stat killall File opened for reading /proc/22/stat killall File opened for reading /proc/35/stat killall File opened for reading /proc/111/stat killall File opened for reading /proc/12/stat killall File opened for reading /proc/26/stat killall File opened for reading /proc/262 killall File opened for reading /proc/419/stat killall File opened for reading /proc/700 killall File opened for reading /proc/25/stat killall File opened for reading /proc/5/stat killall File opened for reading /proc/15/stat killall File opened for reading /proc/17 killall File opened for reading /proc/53 killall File opened for reading /proc/364/stat killall File opened for reading /proc/797/stat killall File opened for reading /proc/34 killall File opened for reading /proc/110/stat killall File opened for reading /proc/783 killall File opened for reading /proc/800/stat killall File opened for reading /proc/661 killall File opened for reading /proc/389/stat killall File opened for reading /proc/796/stat killall File opened for reading /proc/6 killall File opened for reading /proc/42/stat killall File opened for reading /proc/110 killall File opened for reading /proc/696 killall File opened for reading /proc/797 killall File opened for reading /proc/3/stat killall File opened for reading /proc/15 killall File opened for reading /proc/47/stat killall File opened for reading /proc/118/stat killall File opened for reading /proc/419 killall File opened for reading /proc/678/stat killall File opened for reading /proc/3 killall File opened for reading /proc/28/stat killall File opened for reading /proc/32/stat killall File opened for reading /proc/179 killall File opened for reading /proc/364 killall File opened for reading /proc/767 killall File opened for reading /proc/2/stat killall File opened for reading /proc/783/stat killall File opened for reading /proc/355 killall File opened for reading /proc/31/stat killall File opened for reading /proc/48/stat killall File opened for reading /proc/386 killall File opened for reading /proc/767/stat killall File opened for reading /proc/34/stat killall File opened for reading /proc/391 killall File opened for reading /proc/self/exe sample File opened for reading /proc/8 killall File opened for reading /proc/24/stat killall File opened for reading /proc/30 killall File opened for reading /proc/31 killall File opened for reading /proc/677 killall File opened for reading /proc/764 killall File opened for reading /proc/1 killall File opened for reading /proc/2 killall File opened for reading /proc/14/stat killall File opened for reading /proc/29/stat killall - System Network Configuration Discovery 1 TTPs 12 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 870 sh 872 sh 874 sh 852 sh 854 sh 858 sh 863 sh 864 sh 869 sh 856 sh 862 sh 868 sh - Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/.ips 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:807 -
/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"2⤵PID:811
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/usr/bin/killallkillall -9 telnetd utelnetd scfgmgr3⤵
- Reads runtime system information
PID:813
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 40213 -j ACCEPT"2⤵PID:851
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 40213 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:852
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 40213 -j ACCEPT"2⤵PID:853
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 40213 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:854
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 40213 -j ACCEPT"2⤵PID:855
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 40213 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:856
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --dport 40213 -j ACCEPT"2⤵PID:857
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/bin/shsh -c "iptables -I POSTROUTING -t nat -p tcp --sport 40213 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:858
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"2⤵PID:859
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"2⤵PID:860
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"2⤵PID:861
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"2⤵
- System Network Configuration Discovery
PID:862
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"2⤵
- System Network Configuration Discovery
PID:863
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"2⤵
- System Network Configuration Discovery
PID:864
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"2⤵PID:865
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"2⤵PID:866
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"2⤵PID:867
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"2⤵
- System Network Configuration Discovery
PID:868
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"2⤵
- System Network Configuration Discovery
PID:869
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"2⤵
- System Network Configuration Discovery
PID:870
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"2⤵PID:871
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"2⤵
- System Network Configuration Discovery
PID:872
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"2⤵PID:873
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/bin/shsh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"2⤵
- System Network Configuration Discovery
PID:874
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""2⤵PID:875
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/bin/shsh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""2⤵PID:876
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"2⤵PID:877
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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
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Downloads
- Path /etc/rcS.d/S95baby.sh
- Size 25B
- SHA256 01ba1fb41632594997a41d0c3a911ae5b3034d566ebb991ef76ad76e6f9e283a
- MD5 1b3235ba10fc04836c941d3d27301956
- SHA1 8909655763143702430b8c58b3ae3b04cfd3a29c
- SHA512 98bdb5c266222ccbd63b6f80c87e501c8033dc53b0513d300b8da50e39a207a0b69f8cd3ecc4a128dec340a1186779fedd1049c9b0a70e90d2cb3ae6ebfa4c4d
- MD5 SHA1 SHA512
- Path /usr/networks
- Size 134KB
- SHA256 f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
- MD5 3849f30b51a5c49e8d1546960cc206c7
- SHA1 61c74136534b826059c63221a2373dc0613a47b7
- SHA512 43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
- SSDEEP 3072:biMYFJvw6Yh0b1gKobtCGCmCRlrisfrYm:fYFJvwe1gKCYVl2szN
- TLSH T159D31322D3130C4FC02579FA7A2BE62A39873E6A24CE449C45F5D66A2FB7084ED71753
- MD5 SHA1 SHA512 SSDEEP TLSH