Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1528786
MD5: 9458b4459ba8c90817ef0e0775e93a14
SHA1: 727d79f62ec7cd02bdea82b8b02326ba1801d321
SHA256: beaa0cad81db02c93c77dc0c6d2a25736be5194306fcafd4d9c2045fc75eb7b0
Tags: elfMiraiuser-abuse_ch
Infos:

Detection

Score: 60
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Connects to many ports of the same IP (likely port scanning)
Detected TCP or UDP traffic on non-standard ports
Executes the "systemctl" command used for controlling the systemd system and service manager
Reads system version information
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: na.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: na.elf ReversingLabs: Detection: 50%
Source: na.elf Virustotal: Detection: 58% Perma Link

Networking
barindex
Connects to many ports of the same IP (likely port scanning)
Source: global traffic TCP traffic: 93.123.39.105 ports 38241,1,2,3,4,8
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.13:35230 -> 93.123.39.105:38241
Sample listens on a socket
Source: /tmp/na.elf (PID: 5840) Socket: 127.0.0.1:2353 Jump to behavior
Source: unknown UDP traffic detected without corresponding DNS query: 80.152.203.134
Source: unknown UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown UDP traffic detected without corresponding DNS query: 51.158.108.203
Source: unknown UDP traffic detected without corresponding DNS query: 80.152.203.134
Source: unknown UDP traffic detected without corresponding DNS query: 70.34.254.19
Source: unknown UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 81.169.136.222
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 80.152.203.134
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 64.176.6.48
Source: unknown UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown UDP traffic detected without corresponding DNS query: 5.161.109.23
Source: unknown UDP traffic detected without corresponding DNS query: 65.21.1.106
Source: unknown UDP traffic detected without corresponding DNS query: 202.61.197.122
Source: unknown UDP traffic detected without corresponding DNS query: 5.161.109.23
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 202.61.197.122
Source: unknown UDP traffic detected without corresponding DNS query: 81.169.136.222
Source: unknown UDP traffic detected without corresponding DNS query: 137.220.52.23
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 81.169.136.222
Source: unknown UDP traffic detected without corresponding DNS query: 81.169.136.222
Source: unknown UDP traffic detected without corresponding DNS query: 64.176.6.48
Source: unknown UDP traffic detected without corresponding DNS query: 65.21.1.106
Source: unknown UDP traffic detected without corresponding DNS query: 70.34.254.19
Source: unknown UDP traffic detected without corresponding DNS query: 65.21.1.106
Source: unknown UDP traffic detected without corresponding DNS query: 178.254.22.166
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown UDP traffic detected without corresponding DNS query: 217.160.70.42
Source: unknown UDP traffic detected without corresponding DNS query: 202.61.197.122
Source: unknown UDP traffic detected without corresponding DNS query: 64.176.6.48
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 64.176.6.48
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
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: 80.152.203.134
Source: unknown UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown UDP traffic detected without corresponding DNS query: 64.176.6.48
Source: unknown UDP traffic detected without corresponding DNS query: 64.176.6.48
Source: global traffic DNS traffic detected: DNS query: enemybotnet.com
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal60.troj.linELF@0/0@46/0
Executes the "systemctl" command used for controlling the systemd system and service manager
Source: /usr/lib/snapd/snap-failure (PID: 5971) Systemctl executable: /usr/bin/systemctl -> systemctl stop snapd.socket Jump to behavior
Reads system version information
Source: /usr/lib/snapd/snap-failure (PID: 5957) Reads version info: /proc/version Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 5840) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5840.1.000055cb30f72000.000055cb30ff9000.rw-.sdmp, na.elf, 5845.1.000055cb30f72000.000055cb30ff9000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mipsel
Source: na.elf, 5840.1.00007ffe142ae000.00007ffe142cf000.rw-.sdmp, na.elf, 5845.1.00007ffe142ae000.00007ffe142cf000.rw-.sdmp Binary or memory string: |x86_64/usr/bin/qemu-mipsel/tmp/na.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/na.elf
Source: na.elf, 5840.1.000055cb30f72000.000055cb30ff9000.rw-.sdmp, na.elf, 5845.1.000055cb30f72000.000055cb30ff9000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/mipsel
Source: na.elf, 5840.1.00007ffe142ae000.00007ffe142cf000.rw-.sdmp, na.elf, 5845.1.00007ffe142ae000.00007ffe142cf000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mipsel

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
93.123.39.105
 enemybotnet.com Bulgaria
43561 NET1-ASBG true

Contacted Domains

Name IP Active
enemybotnet.com 93.123.39.105 true