Analysis
- max time kernel
84s - max time network
154s - platform
debian-12_mipsel - resource
debian12-mipsel-20260126-en - resource tags
arch:mipselimage:debian12-mipsel-20260126-enkernel:6.1.0-17-4kc-maltalocale:en-usos:debian-12-mipselsystem - submitted
23/04/2026, 12:33
Behavioral task
behavioral1
Sample
bin.sh
Resource
debian12-mipsel-20260126-en
14 signatures
150 seconds
General
- Target bin.sh
- Size 134KB
- Sample260423-pradyads5w
- SHA256 f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
- MD5 3849f30b51a5c49e8d1546960cc206c7
- SHA1 61c74136534b826059c63221a2373dc0613a47b7
- SHA512 43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
- SSDEEP 3072:biMYFJvw6Yh0b1gKobtCGCmCRlrisfrYm:fYFJvwe1gKCYVl2szN
- TLSH T159D31322D3130C4FC02579FA7A2BE62A39873E6A24CE449C45F5D66A2FB7084ED71753
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Mozi Payload 1 IoCs
resource yara_rule behavioral1/memory/803-1-0x00400000-0x004c2f18-memory.dmp family_mozi - Contacts a large (6545) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- 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 bin.sh File opened for modification /dev/misc/watchdog bin.sh - 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 bin.sh - Enumerates running processes
Discovers information about currently running processes on the system
- 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 bin.sh - Writes file to system bin folder 2 IoCs
description ioc Process File opened for modification /sbin/watchdog bin.sh File opened for modification /bin/watchdog bin.sh - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself dropbear 807 bin.sh - 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 bin.sh File opened for reading /proc/net/raw bin.sh File opened for reading /proc/net/route bin.sh -
description ioc Process File opened for reading /proc/380 killall File opened for reading /proc/403/stat killall File opened for reading /proc/677 killall File opened for reading /proc/678 killall File opened for reading /proc/37/stat killall File opened for reading /proc/181 killall File opened for reading /proc/779/stat killall File opened for reading /proc/793/stat killall File opened for reading /proc/809/stat killall File opened for reading /proc/111 killall File opened for reading /proc/761/stat killall File opened for reading /proc/792/stat killall File opened for reading /proc/796 killall File opened for reading /proc/11/stat killall File opened for reading /proc/19 killall File opened for reading /proc/37 killall File opened for reading /proc/53 killall File opened for reading /proc/59 killall File opened for reading /proc/338/stat killall File opened for reading /proc/401/stat killall File opened for reading /proc/764/stat killall File opened for reading /proc/28 killall File opened for reading /proc/4 killall File opened for reading /proc/13/stat killall File opened for reading /proc/15 killall File opened for reading /proc/23/stat killall File opened for reading /proc/3 killall File opened for reading /proc/5/stat killall File opened for reading /proc/16/stat killall File opened for reading /proc/110/stat killall File opened for reading /proc/694 killall File opened for reading /proc/20 killall File opened for reading /proc/42/stat killall File opened for reading /proc/44 killall File opened for reading /proc/379 killall File opened for reading /proc/380/stat killall File opened for reading /proc/796/stat killall File opened for reading /proc/1/stat killall File opened for reading /proc/11 killall File opened for reading /proc/17/stat killall File opened for reading /proc/22/stat killall File opened for reading /proc/33/stat killall File opened for reading /proc/694/stat killall File opened for reading /proc/181/cmdline killall File opened for reading /proc/203/stat killall File opened for reading /proc/352/stat killall File opened for reading /proc/762 killall File opened for reading /proc/807 killall File opened for reading /proc/13 killall File opened for reading /proc/390/stat killall File opened for reading /proc/677/stat killall File opened for reading /proc/699 killall File opened for reading /proc/6/stat killall File opened for reading /proc/7/stat killall File opened for reading /proc/10/stat killall File opened for reading /proc/23 killall File opened for reading /proc/24 killall File opened for reading /proc/25 killall File opened for reading /proc/29 killall File opened for reading /proc/47 killall File opened for reading /proc/6 killall File opened for reading /proc/27 killall File opened for reading /proc/35/stat killall File opened for reading /proc/181/stat killall - System Network Configuration Discovery 1 TTPs 4 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 856 sh 857 sh 849 sh 855 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 bin.sh
Processes
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/tmp/bin.sh/tmp/bin.sh1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system routing table
- Writes file to system bin folder
- Changes its process name
- Reads system network configuration
- Writes file to tmp directory
PID:803 -
/bin/shsh -c "killall -9 telnetd utelnetd scfgmgr"2⤵PID:808
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/usr/bin/killallkillall -9 telnetd utelnetd scfgmgr3⤵
- Reads runtime system information
PID:811
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 33697 -j ACCEPT"2⤵PID:848
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 33697 -j ACCEPT"2⤵
- System Network Configuration Discovery
PID:849
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/bin/shsh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 33697 -j ACCEPT"2⤵PID:850
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"2⤵PID:852
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"2⤵PID:853
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/bin/shsh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"2⤵PID:854
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"2⤵
- System Network Configuration Discovery
PID:855
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"2⤵
- System Network Configuration Discovery
PID:856
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/bin/shsh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"2⤵
- System Network Configuration Discovery
PID:857
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"2⤵PID:858
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"2⤵PID:859
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/bin/shsh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"2⤵PID:860
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