Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1528778
MD5: f56ba281f91d4d31de3af57e72dee818
SHA1: 3fea0260ade94a6ee41244398c0ac095c44c9899
SHA256: b561e39594ff47df3eeac90d75996213255090763d1cde1a1eace6c945659981
Tags: elfMiraiuser-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
Sample has stripped symbol table
Sample listens on a socket
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Tries to resolve domain names, but no domain seems valid (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: na.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: na.elf Virustotal: Detection: 57% Perma Link
Source: na.elf ReversingLabs: Detection: 52%
Sample listens on a socket
Source: /tmp/na.elf (PID: 6206) Socket: 127.0.0.1:2353 Jump to behavior
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
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
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Source: unknown DNS traffic detected: query: akamaisus.dyn replaycode: Name error (3)
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: 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 UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 70.34.254.19
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: 80.152.203.134
Source: unknown UDP traffic detected without corresponding DNS query: 80.152.203.134
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: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 65.21.1.106
Source: unknown UDP traffic detected without corresponding DNS query: 137.220.52.23
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: 70.34.254.19
Source: unknown UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown UDP traffic detected without corresponding DNS query: 137.220.52.23
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 65.21.1.106
Source: unknown UDP traffic detected without corresponding DNS query: 139.84.165.176
Source: unknown UDP traffic detected without corresponding DNS query: 65.21.1.106
Source: unknown UDP traffic detected without corresponding DNS query: 5.161.109.23
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: 5.161.109.23
Source: unknown UDP traffic detected without corresponding DNS query: 70.34.254.19
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 217.160.70.42
Source: unknown UDP traffic detected without corresponding DNS query: 80.152.203.134
Source: unknown UDP traffic detected without corresponding DNS query: 217.160.70.42
Source: unknown UDP traffic detected without corresponding DNS query: 137.220.52.23
Source: global traffic DNS traffic detected: DNS query: akamaisus.dyn
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
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@36/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 6206) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 6206.1.00007fff7c556000.00007fff7c577000.rw-.sdmp, na.elf, 6214.1.00007fff7c556000.00007fff7c577000.rw-.sdmp Binary or memory string: O>S<x86_64/usr/bin/qemu-sh4/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, 6206.1.00007fff7c556000.00007fff7c577000.rw-.sdmp, na.elf, 6214.1.00007fff7c556000.00007fff7c577000.rw-.sdmp Binary or memory string: /usr/bin/qemu-sh4
Source: na.elf, 6206.1.000055e3036f5000.000055e303758000.rw-.sdmp, na.elf, 6214.1.000055e3036f5000.000055e303758000.rw-.sdmp Binary or memory string: U5!/etc/qemu-binfmt/sh4
Source: na.elf, 6206.1.000055e3036f5000.000055e303758000.rw-.sdmp, na.elf, 6214.1.000055e3036f5000.000055e303758000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/sh4
windows-stand
  • 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

Contacted Domains

Name IP Active
akamaisus.dyn unknown unknown