Linux Analysis Report
dNLKZA6IVs

Overview

General Information

Sample Name: dNLKZA6IVs
Analysis ID: 679625
MD5: 407a38109a75cc3a5845952e359e2255
SHA1: d75de51babdf08188f91d4e854160349e5c0185e
SHA256: 6874279cf48edce8cef28cce5c397462f5eadad07887dfabfb8caccf5899c436
Tags: 32armelfmirai
Infos:

Detection

Mirai
Score: 76
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Yara detected Mirai
Multi AV Scanner detection for submitted file
Uses known network protocols on non-standard ports
Sample has stripped symbol table
Uses the "uname" system call to query kernel version information (possible evasion)
Enumerates processes within the "proc" file system
Detected TCP or UDP traffic on non-standard ports
Sample listens on a socket
Sample tries to kill a process (SIGKILL)
Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable

Classification

AV Detection

barindex
Source: dNLKZA6IVs Avira: detected
Source: dNLKZA6IVs Virustotal: Detection: 43% Perma Link
Source: dNLKZA6IVs Metadefender: Detection: 34% Perma Link
Source: dNLKZA6IVs ReversingLabs: Detection: 73%

Networking

barindex
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43848
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43854
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43864
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43892
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43900
Source: global traffic TCP traffic: 192.168.2.23:52808 -> 105.110.101.85:7547
Source: global traffic TCP traffic: 192.168.2.23:53436 -> 46.23.109.40:1312
Source: global traffic TCP traffic: 192.168.2.23:41062 -> 160.177.155.129:7547
Source: /tmp/dNLKZA6IVs (PID: 6231) Socket: 127.0.0.1::1312 Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) Socket: 0.0.0.0::0 Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) Socket: 0.0.0.0::53413 Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) Socket: 0.0.0.0::80 Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) Socket: 0.0.0.0::37215 Jump to behavior
Source: unknown DNS traffic detected: queries for: arcticboatz.cz
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 33186
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: unknown TCP traffic detected without corresponding DNS query: 202.183.87.80
Source: unknown TCP traffic detected without corresponding DNS query: 36.42.218.83
Source: unknown TCP traffic detected without corresponding DNS query: 194.196.235.203
Source: unknown TCP traffic detected without corresponding DNS query: 13.73.112.158
Source: unknown TCP traffic detected without corresponding DNS query: 150.164.107.187
Source: unknown TCP traffic detected without corresponding DNS query: 216.199.69.80
Source: unknown TCP traffic detected without corresponding DNS query: 173.207.17.142
Source: unknown TCP traffic detected without corresponding DNS query: 213.127.78.7
Source: unknown TCP traffic detected without corresponding DNS query: 203.182.69.185
Source: unknown TCP traffic detected without corresponding DNS query: 205.173.56.210
Source: unknown TCP traffic detected without corresponding DNS query: 85.228.242.238
Source: unknown TCP traffic detected without corresponding DNS query: 1.74.17.104
Source: unknown TCP traffic detected without corresponding DNS query: 249.5.201.220
Source: unknown TCP traffic detected without corresponding DNS query: 177.139.176.115
Source: unknown TCP traffic detected without corresponding DNS query: 124.42.216.148
Source: unknown TCP traffic detected without corresponding DNS query: 58.28.185.231
Source: unknown TCP traffic detected without corresponding DNS query: 106.155.249.145
Source: unknown TCP traffic detected without corresponding DNS query: 158.216.238.194
Source: unknown TCP traffic detected without corresponding DNS query: 250.119.196.96
Source: unknown TCP traffic detected without corresponding DNS query: 141.250.43.84
Source: unknown TCP traffic detected without corresponding DNS query: 198.17.151.16
Source: unknown TCP traffic detected without corresponding DNS query: 125.125.170.224
Source: unknown TCP traffic detected without corresponding DNS query: 136.235.223.149
Source: unknown TCP traffic detected without corresponding DNS query: 160.227.81.22
Source: unknown TCP traffic detected without corresponding DNS query: 156.87.251.190
Source: unknown TCP traffic detected without corresponding DNS query: 87.127.18.159
Source: unknown TCP traffic detected without corresponding DNS query: 35.49.77.188
Source: unknown TCP traffic detected without corresponding DNS query: 255.92.209.243
Source: unknown TCP traffic detected without corresponding DNS query: 192.232.208.136
Source: unknown TCP traffic detected without corresponding DNS query: 31.100.170.253
Source: unknown TCP traffic detected without corresponding DNS query: 185.17.188.238
Source: unknown TCP traffic detected without corresponding DNS query: 89.194.161.18
Source: unknown TCP traffic detected without corresponding DNS query: 86.246.249.152
Source: unknown TCP traffic detected without corresponding DNS query: 164.133.121.43
Source: unknown TCP traffic detected without corresponding DNS query: 91.156.255.156
Source: unknown TCP traffic detected without corresponding DNS query: 153.12.230.92
Source: unknown TCP traffic detected without corresponding DNS query: 5.41.66.217
Source: unknown TCP traffic detected without corresponding DNS query: 211.27.62.93
Source: unknown TCP traffic detected without corresponding DNS query: 155.33.13.129
Source: unknown TCP traffic detected without corresponding DNS query: 243.162.254.159
Source: unknown TCP traffic detected without corresponding DNS query: 92.118.213.235
Source: unknown TCP traffic detected without corresponding DNS query: 240.121.246.82
Source: unknown TCP traffic detected without corresponding DNS query: 196.137.131.205
Source: unknown TCP traffic detected without corresponding DNS query: 246.162.150.3
Source: unknown TCP traffic detected without corresponding DNS query: 151.130.194.29
Source: unknown TCP traffic detected without corresponding DNS query: 207.80.114.120
Source: unknown TCP traffic detected without corresponding DNS query: 17.254.113.95
Source: unknown TCP traffic detected without corresponding DNS query: 78.160.7.163
Source: unknown TCP traffic detected without corresponding DNS query: 90.27.52.240
Source: unknown TCP traffic detected without corresponding DNS query: 42.119.61.176
Source: ELF static info symbol of initial sample .symtab present: no
Source: /tmp/dNLKZA6IVs (PID: 6242) SIGKILL sent: pid: 936, result: successful Jump to behavior
Source: Initial sample String containing 'busybox' found: /bin/busybox AK1K2
Source: Initial sample String containing 'busybox' found: /bin/busybox cp /bin/busybox retrieve && >retrieve && /bin/busybox chmod 777 retrieve && /bin/busybox cp /bin/busybox .t && >.t && /bin/busybox chmod 777 .t
Source: Initial sample String containing 'busybox' found: /bin/busybox echo -en '%s' %s %s && /bin/busybox echo -en '\x45\x43\x48\x4f\x44\x4f\x4e\x45'
Source: Initial sample String containing 'busybox' found: >%st && cd %s && >retrieve; >.t/bin/busybox cp /bin/busybox retrieve && >retrieve && /bin/busybox chmod 777 retrieve && /bin/busybox cp /bin/busybox .t && >.t && /bin/busybox chmod 777 .t
Source: Initial sample String containing 'busybox' found: >>>/bin/busybox echo -en '%s' %s %s && /bin/busybox echo -en '\x45\x43\x48\x4f\x44\x4f\x4e\x45'
Source: classification engine Classification label: mal76.troj.lin@0/0@46/0
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/491/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/793/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/772/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/796/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/774/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/797/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/777/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/799/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/658/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/912/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/759/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/936/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/918/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/1/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/761/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/785/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/884/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/720/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/721/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/788/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/789/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/800/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/801/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/847/fd Jump to behavior
Source: /tmp/dNLKZA6IVs (PID: 6242) File opened: /proc/904/fd Jump to behavior

Hooking and other Techniques for Hiding and Protection

barindex
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43848
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43854
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43864
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43892
Source: unknown Network traffic detected: HTTP traffic on port 23 -> 43900
Source: /tmp/dNLKZA6IVs (PID: 6231) Queries kernel information via 'uname': Jump to behavior
Source: dNLKZA6IVs, 6231.1.000055d649b2a000.000055d649c58000.rw-.sdmp, dNLKZA6IVs, 6329.1.000055d649b2a000.000055d649c58000.rw-.sdmp, dNLKZA6IVs, 6243.1.000055d649b2a000.000055d649c58000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: dNLKZA6IVs, 6231.1.00007ffce2172000.00007ffce2193000.rw-.sdmp, dNLKZA6IVs, 6329.1.00007ffce2172000.00007ffce2193000.rw-.sdmp, dNLKZA6IVs, 6243.1.00007ffce2172000.00007ffce2193000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/dNLKZA6IVsSUDO_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/dNLKZA6IVs
Source: dNLKZA6IVs, 6231.1.000055d649b2a000.000055d649c58000.rw-.sdmp, dNLKZA6IVs, 6329.1.000055d649b2a000.000055d649c58000.rw-.sdmp, dNLKZA6IVs, 6243.1.000055d649b2a000.000055d649c58000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: dNLKZA6IVs, 6231.1.00007ffce2172000.00007ffce2193000.rw-.sdmp, dNLKZA6IVs, 6329.1.00007ffce2172000.00007ffce2193000.rw-.sdmp, dNLKZA6IVs, 6243.1.00007ffce2172000.00007ffce2193000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm

Stealing of Sensitive Information

barindex
Source: Yara match File source: dump.pcap, type: PCAP
Source: Yara match File source: dNLKZA6IVs, type: SAMPLE
Source: Yara match File source: 6329.1.00007f5c4c017000.00007f5c4c02e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6231.1.00007f5c4c017000.00007f5c4c02e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6243.1.00007f5c4c017000.00007f5c4c02e000.r-x.sdmp, type: MEMORY

Remote Access Functionality

barindex
Source: Yara match File source: dump.pcap, type: PCAP
Source: Yara match File source: dNLKZA6IVs, type: SAMPLE
Source: Yara match File source: 6329.1.00007f5c4c017000.00007f5c4c02e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6231.1.00007f5c4c017000.00007f5c4c02e000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6243.1.00007f5c4c017000.00007f5c4c02e000.r-x.sdmp, type: MEMORY
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs