Linux Analysis Report
SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf

Overview

General Information

Sample name: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf
Analysis ID: 1430165
MD5: 55caac50c41205377ba38c44d268cb7f
SHA1: 5c95ce4b9de9d57cfa3b6c9622a7f6e882885c4b
SHA256: 2932daa36ba6b8eebed723b1549d85673811a4abeb41f9bc37cc02569811e10e
Tags: elf
Infos:

Detection

Mirai
Score: 64
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Yara detected Mirai
Queries the IP of a very long domain name
Sample deletes itself
Connects to many different domains
Detected TCP or UDP traffic on non-standard ports
ELF contains segments with high entropy indicating compressed/encrypted content
Executes the "rm" command used to delete files or directories
Sample contains only a LOAD segment without any section mappings
Sample listens on a socket
Sample tries to kill a process (SIGKILL)
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

Name Description Attribution Blogpost URLs Link
Mirai Mirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world. No Attribution https://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai

AV Detection

barindex
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf Virustotal: Detection: 18% Perma Link
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf ReversingLabs: Detection: 39%

Networking

barindex
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f366a0PV!E((23;5%)V'fNNPV!a0E@QU@@.h3;5,f)kzadolfhitlersusV'f66a0PV!.E(($23;.5+)
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f66a0PV!E(($23;5+)V'f!NNPV!a0E@Q}@@.@3;>5,n6)kzadolfhitlersusV'f66a0PV!.E((L2a3;.5>u)
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f66a0PV!E((L2a3;5>u)V'fNNPV!a0E@Q@@.3;5,)kzadolfhitlersusV'f366a0PV!.E((]2P3;.52)
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f366a0PV!E((]2P3;52)V'f4NNPV!a0E@Q@@.3;5,)kzadolfhitlersusV'ft66a0PV!.E((o2>3;.5#))
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'ft66a0PV!E((o2>3;5#))V'fJJPV!a0E<@@.F|~XV'fz66a0PV!.E((@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'fqh66a0PV!EH(E28=5v=V'fiNNPV!a0E@i@@.=5,R=..siegheil.hiter.su.V'f#>66a0PV!EH(m37=5=V'f>NNPV!a0E@i7@@.=5,=
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f#>66a0PV!EH(m37=5=V'f>NNPV!a0E@i7@@.=5,=
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f66a0PV!EH({37~=5 =V'fNNPV!a0E@i@@@.=t5,`g=
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'ff66a0PV!EH(}37|=5t=V'fNNPV!a0E@ic@@.=j5,gq=
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'fo66a0PV!EH(28i=5j=V'fyJJPV!a0E<@@.FNIXV'fr.66
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'fu66a0PV!EH(W6}5WV'fNNPV!a0E@7@@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f[66a0PV!EH(\6}5=[V'f^\NNPV!a0E@7@@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f66a0PV!EH(}6}{5N\V'f+NNPV!a0E@7@@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f:66a0PV!EH(6}w5KOV'f;NNPV!a0E@8@@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f66a0PV!EH(6}X56V'fJJPV!a0E<B@@
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f^66a0PV!EH(\4T5GJEV'f<_NNPV!a0E@\@@.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f66a0PV!EH(w5S5EV'fNNPV!a0E@_@@.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fD66a0PV!EH(3U5EV'ftENNPV!a0E@@@.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f*66a0PV!EH(5S5EV'fNNPV!a0E@@@.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fPx66a0PV!EH(4Tc5EV'fqyJJPV!a0E<B@@.nFXl5~V'fEr66a0PV!E((
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fC66a0PV!E((485mV'f{DNNPV!a0E@V@@..=5,9.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f66a0PV!E((575=8V'fNNPV!a0E@a@@..!5,i.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f66a0PV!E((%475!TV'fHNNPV!a0E@q@@.. 5,Q.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f3V66a0PV!E((/565 UV'fVNNPV!a0E@w@@..d5,~.
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fG66a0PV!E((6565dV'fJJPV!a0E<p@@.@F}^3!V'f66a0PV!E((@0F}^PI.'fUUPV!a0EGrw@@=153%?sexsecure-cyber-.ecurityV'f56UUa0PV!EHG=3-=513/?sexsecure-cyber-securityV.f6UUPV!a0EGr@@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f;NNPV!a0E@5@@^ru5,usiegheilhitersusV'fBNN
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'fBNNPV!a0E@@@0^r5,LusiegheilhitersusV'fBB
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'fBBPV!a0E4@@}9H ``veCIPV'f%QNNPV!a0.E@|@
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'f;`NNPV!a0E@@@c^r5,cusiegheilhitersusV'fnJJ
Source: unknown DNS traffic detected: query: siegheil.hiter.su.V'fnJJPV!a0E<ld@@LF|(V'fti66a
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f66a0PV!E((23;5SV'fNNPV!a0E@].@@D^3;L5,5kzadolfhitlersunV'fVt66a0PV!E(('
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fVt66a0PV!E(('23;5LV'fvNNPV!a0E@].@@DA3;5,6kzadolfhitlersunV'fc66a0PV!E((L2a3;5ou
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fc66a0PV!E((L2a3;5ouV'f:NNPV!a0E@]
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'fXb66a0PV!E((q2<3;5DV'fBcNNPV!a0E@]
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.V'f=66a0PV!E((2+3;5SpV'fJJPV!a0E<
Source: unknown DNS traffic detected: query: sex.secure-cyber-security.V'f(66a0PV!E((/E-3M56+mV'f*VVPV!a0EHUr@@.3M54c+msexsecure-cyber-securitysV'f66a0PV!.E((
Source: unknown DNS traffic detected: query: sex.secure-cyber-security.V'f66a0PV!E((/E#3M5+mV'f&VVPV!a0EHUx@@.3M54r+msexsecure-cyber-securitysV'f/X66a0PV!.E((
Source: unknown DNS traffic detected: query: sex.secure-cyber-security.V'f/X66a0PV!E((/E3M5+mV'fYVVPV!a0EHU@@.3M54N+msexsecure-cyber-securitysV'f66a0PV!.E((
Source: unknown DNS traffic detected: query: sex.secure-cyber-security.V'f66a0PV!E((/E3M5A+mV'fVVPV!a0EHU@@.n3Mx542+msexsecure-cyber-securitysV'f(66a0PV!.E((
Source: unknown DNS traffic detected: query: sex.secure-cyber-security.V'f(66a0PV!E(( /D3M5x+mV'fJJPV!a0E<2@@
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.W'fNNPV!a0E@;@@!5,mkzadolfhitlersunW'fN
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.W'fNNPV!a0E@@@1!5,.mkzadolfhitlersunW'fN
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.W'fNNPV!a0E@@@q5,IImkzadolfhitlersunW'f;N
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.W'f;NNPV!a0E@@@8P5,mkzadolfhitlersunW'fJ
Source: unknown DNS traffic detected: query: kz.adolfhitler.su.W'fJJPV!a0E<m@@NCF)jBW'f66
Source: unknown Network traffic detected: DNS query count 48
Source: global traffic TCP traffic: 192.168.2.14:54444 -> 212.70.149.14:35342
Source: /tmp/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf (PID: 5506) Socket: 127.0.0.1::8345 Jump to behavior
Source: global traffic TCP traffic: 192.168.2.14:46540 -> 185.125.190.26:443
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown TCP traffic detected without corresponding DNS query: 212.70.149.14
Source: unknown UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown UDP traffic detected without corresponding DNS query: 51.254.162.59
Source: unknown UDP traffic detected without corresponding DNS query: 51.254.162.59
Source: unknown UDP traffic detected without corresponding DNS query: 51.254.162.59
Source: unknown UDP traffic detected without corresponding DNS query: 51.254.162.59
Source: unknown UDP traffic detected without corresponding DNS query: 51.254.162.59
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 51.77.149.139
Source: unknown UDP traffic detected without corresponding DNS query: 51.77.149.139
Source: unknown UDP traffic detected without corresponding DNS query: 51.77.149.139
Source: unknown UDP traffic detected without corresponding DNS query: 51.77.149.139
Source: unknown UDP traffic detected without corresponding DNS query: 51.77.149.139
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 134.195.4.2
Source: unknown UDP traffic detected without corresponding DNS query: 134.195.4.2
Source: unknown UDP traffic detected without corresponding DNS query: 134.195.4.2
Source: unknown UDP traffic detected without corresponding DNS query: 134.195.4.2
Source: unknown UDP traffic detected without corresponding DNS query: 134.195.4.2
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 94.16.114.254
Source: unknown DNS traffic detected: queries for: sex.secure-cyber-security
Source: unknown Network traffic detected: HTTP traffic on port 46540 -> 443
Source: LOAD without section mappings Program segment: 0x8000
Source: /tmp/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf (PID: 5512) SIGKILL sent: pid: 888, result: successful Jump to behavior
Source: classification engine Classification label: mal64.troj.evad.linELF@0/0@76/0
Source: /usr/bin/dash (PID: 5488) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.RPy1iTl5xo /tmp/tmp.VOkGWvI04c /tmp/tmp.pAxIvNGzLh Jump to behavior
Source: /usr/bin/dash (PID: 5498) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.RPy1iTl5xo /tmp/tmp.VOkGWvI04c /tmp/tmp.pAxIvNGzLh Jump to behavior

Hooking and other Techniques for Hiding and Protection

barindex
Source: /tmp/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf (PID: 5506) File: /tmp/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf Jump to behavior
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf Submission file: segment LOAD with 7.8835 entropy (max. 8.0)
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf Submission file: segment LOAD with 7.9779 entropy (max. 8.0)
Source: /tmp/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf (PID: 5506) Queries kernel information via 'uname': Jump to behavior
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf, 5506.1.0000556553eb8000.0000556554029000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf, 5506.1.00007ffe945a5000.00007ffe945c6000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf, 5506.1.0000556553eb8000.0000556554029000.rw-.sdmp Binary or memory string: SeU!/etc/qemu-binfmt/arm
Source: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf, 5506.1.00007ffe945a5000.00007ffe945c6000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.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/SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf

Stealing of Sensitive Information

barindex
Source: Yara match File source: Process Memory Space: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf PID: 5506, type: MEMORYSTR

Remote Access Functionality

barindex
Source: Yara match File source: Process Memory Space: SecuriteInfo.com.Linux.Mirai.8362.8829.19078.elf PID: 5506, type: MEMORYSTR
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs