Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1532425
MD5: eea5f061cbce660e704bc67510499d37
SHA1: 334ac899625ff7f641a54f53c1f4325dd522aaff
SHA256: fd30d0b52f4ff6dd6865197b8fcf2feeb6aca1f78c43480d3d59adcd3dfcc14d
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 52
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Contains symbols with names commonly found in malware
Detected TCP or UDP traffic on non-standard ports
Found strings indicative of a multi-platform dropper
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: na.elf ReversingLabs: Detection: 23%
Source: na.elf Virustotal: Detection: 16% Perma Link
Found strings indicative of a multi-platform dropper
Source: na.elf String: /lib//sbin//usr//proc//exeself/fd/fd/socket:/proc/proc//exewgetcurlftpmountabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/proc/net/tcp/proc//exe/fd//proc//maps/lib/usr/lib
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.15:35618 -> 138.124.30.179:8080
Sample listens on a socket
Source: /tmp/na.elf (PID: 5544) Socket: 127.0.0.1:45295 Jump to behavior
Source: unknown TCP traffic detected without corresponding DNS query: 138.124.30.179
Source: unknown TCP traffic detected without corresponding DNS query: 138.124.30.179
Source: unknown TCP traffic detected without corresponding DNS query: 138.124.30.179
Source: unknown TCP traffic detected without corresponding DNS query: 138.124.30.179
Source: unknown TCP traffic detected without corresponding DNS query: 138.124.30.179
Source: unknown TCP traffic detected without corresponding DNS query: 138.124.30.179
Source: global traffic DNS traffic detected: DNS query: dvrhelpers.su
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com

System Summary
barindex
Contains symbols with names commonly found in malware
Source: ELF static info symbol of initial sample Name: add_attack
Source: ELF static info symbol of initial sample Name: attack_add_pid
Source: ELF static info symbol of initial sample Name: attack_init
Source: ELF static info symbol of initial sample Name: attack_ongoing
Source: ELF static info symbol of initial sample Name: attack_parse
Source: ELF static info symbol of initial sample Name: attack_remove_id
Source: ELF static info symbol of initial sample Name: attack_start
Source: ELF static info symbol of initial sample Name: attack_stop
Source: ELF static info symbol of initial sample Name: attacks_ack
Source: ELF static info symbol of initial sample Name: attacks_gre
Source: classification engine Classification label: mal52.linELF@0/511@3/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 5544) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5544.1.00007ffd1a48a000.00007ffd1a4ab000.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, 5544.1.00007ffd1a48a000.00007ffd1a4ab000.rw-.sdmp Binary or memory string: V/tmp/qemu-open.beGtIr:U4-
Source: na.elf, 5544.1.0000561e2fa66000.0000561e2fbfa000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5544.1.0000561e2fa66000.0000561e2fbfa000.rw-.sdmp Binary or memory string: V!/etc/qemu-binfmt/arm
Source: na.elf, 5544.1.00007ffd1a48a000.00007ffd1a4ab000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: na.elf, 5544.1.00007ffd1a48a000.00007ffd1a4ab000.rw-.sdmp Binary or memory string: /tmp/qemu-open.beGtIr

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
138.124.30.179
 unknown Norway
8983 NOKIA-ASFI false

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.24 true
dvrhelpers.su unknown unknown