General
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Target
Mozi.mwoiibulb
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Size
134KB
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Sample
220425-3lvdtadcdn
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MD5
3849f30b51a5c49e8d1546960cc206c7
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SHA1
61c74136534b826059c63221a2373dc0613a47b7
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SHA256
f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
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SHA512
43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
Malware Config
Targets
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Target
Mozi.mwoiibulb
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Size
134KB
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MD5
3849f30b51a5c49e8d1546960cc206c7
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SHA1
61c74136534b826059c63221a2373dc0613a47b7
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SHA256
f6c97b1e2ed02578ca1066c8235ba4f991e645f89012406c639dbccc6582eec8
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SHA512
43d79293d1fbf716111c27e50df95a0860a0d706079625fa2b8a6b57c5ee06fa7b5b6b8c0acae33714a2181686426728513c990534e44b6f03a05dde0629ab86
Score10/10-
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
suricata: ET MALWARE Mirai Variant User-Agent (Outbound)
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Contacts a large (21996) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Modifies the Watchdog daemon
Malware like Mirai modify the Watchdog to prevent it restarting an infected system.
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Writes file to system bin folder
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Modifies hosts file
Adds to hosts file used for mapping hosts to IP addresses.
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Writes DNS configuration
Writes data to DNS resolver config file.
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Enumerates active TCP sockets
Gets active TCP sockets from /proc virtual filesystem.
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Modifies init.d
Adds/modifies system service, likely for persistence.
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Reads system routing table
Gets active network interfaces from /proc virtual filesystem.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Reads system network configuration
Uses contents of /proc filesystem to enumerate network settings.
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Reads runtime system information
Reads data from /proc virtual filesystem.
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Writes file to tmp directory
Malware often drops required files in the /tmp directory.
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