Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1532517
MD5: 6f13045fb6dca87dcfa361271d1c89cf
SHA1: 1620bb2352143c5acb4ae90980087ece953ca7ff
SHA256: f792c88aedc3edc88a03e66dffbadca370c4219d2b98e4f4c5ce37400388f3b3
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 2
Range: 0 - 100
Whitelisted: false

Signatures

Detected TCP or UDP traffic on non-standard ports
Found strings indicative of a multi-platform dropper
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

Source: na.elf String: ash|login|wget|curl|tftp|ntpdate
Source: na.elf String: /proc//exe|ash|login|wget|curl|tftp|ntpdate/fdsocket|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/
Source: global traffic TCP traffic: 192.168.2.15:53616 -> 38.60.249.66:7193
Source: /tmp/na.elf (PID: 5782) Socket: 127.0.0.1:1234 Jump to behavior
Source: unknown UDP traffic detected without corresponding DNS query: 161.97.219.84
Source: global traffic DNS traffic detected: DNS query: eighteen.pirate
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: clean2.linELF@0/0@3/0
Source: /tmp/na.elf (PID: 5782) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5782.1.00007ffc079a3000.00007ffc079c4000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/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, 5782.1.000055b3eb32a000.000055b3eb478000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: na.elf, 5782.1.000055b3eb32a000.000055b3eb478000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5782.1.00007ffc079a3000.00007ffc079c4000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs