Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1530538
MD5: d26f3cfd3a16240d632a7f90f2760bc8
SHA1: 1bad23d10416eada53842eae391d569884c2b1d5
SHA256: 459427e7bd4590969d19e1e9d6919d717bd5be8e9926e2db538e243546c0e097
Tags: elfuser-abuse_ch
Infos:

Detection

Mirai
Score: 68
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Sample is packed with UPX
Detected TCP or UDP traffic on non-standard ports
ELF contains segments with high entropy indicating compressed/encrypted content
Enumerates processes within the "proc" file system
Sample contains only a LOAD segment without any section mappings
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection

barindex
Source: na.elf Avira: detected
Source: na.elf ReversingLabs: Detection: 55%
Source: global traffic TCP traffic: 192.168.2.23:59962 -> 45.139.104.161:1312
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
Source: unknown TCP traffic detected without corresponding DNS query: 45.139.104.161
Source: unknown TCP traffic detected without corresponding DNS query: 45.139.104.161
Source: unknown TCP traffic detected without corresponding DNS query: 45.139.104.161
Source: unknown TCP traffic detected without corresponding DNS query: 40.235.254.222
Source: unknown TCP traffic detected without corresponding DNS query: 38.72.180.171
Source: unknown TCP traffic detected without corresponding DNS query: 84.133.21.133
Source: unknown TCP traffic detected without corresponding DNS query: 58.163.30.27
Source: unknown TCP traffic detected without corresponding DNS query: 60.2.95.123
Source: unknown TCP traffic detected without corresponding DNS query: 104.177.42.255
Source: unknown TCP traffic detected without corresponding DNS query: 76.211.165.222
Source: unknown TCP traffic detected without corresponding DNS query: 111.226.199.143
Source: unknown TCP traffic detected without corresponding DNS query: 170.65.148.3
Source: unknown TCP traffic detected without corresponding DNS query: 101.184.221.237
Source: unknown TCP traffic detected without corresponding DNS query: 168.136.215.143
Source: unknown TCP traffic detected without corresponding DNS query: 123.59.97.30
Source: unknown TCP traffic detected without corresponding DNS query: 220.84.9.114
Source: unknown TCP traffic detected without corresponding DNS query: 66.145.111.75
Source: unknown TCP traffic detected without corresponding DNS query: 126.58.115.234
Source: unknown TCP traffic detected without corresponding DNS query: 192.30.0.163
Source: unknown TCP traffic detected without corresponding DNS query: 192.120.64.222
Source: unknown TCP traffic detected without corresponding DNS query: 98.115.23.94
Source: unknown TCP traffic detected without corresponding DNS query: 94.36.76.246
Source: unknown TCP traffic detected without corresponding DNS query: 87.118.199.244
Source: unknown TCP traffic detected without corresponding DNS query: 93.182.111.94
Source: unknown TCP traffic detected without corresponding DNS query: 124.94.244.152
Source: unknown TCP traffic detected without corresponding DNS query: 201.228.46.60
Source: unknown TCP traffic detected without corresponding DNS query: 94.144.174.250
Source: unknown TCP traffic detected without corresponding DNS query: 142.21.76.106
Source: unknown TCP traffic detected without corresponding DNS query: 85.155.60.15
Source: unknown TCP traffic detected without corresponding DNS query: 254.13.209.55
Source: unknown TCP traffic detected without corresponding DNS query: 71.194.163.97
Source: unknown TCP traffic detected without corresponding DNS query: 221.196.5.63
Source: unknown TCP traffic detected without corresponding DNS query: 254.171.172.186
Source: unknown TCP traffic detected without corresponding DNS query: 53.109.128.15
Source: unknown TCP traffic detected without corresponding DNS query: 177.250.219.2
Source: unknown TCP traffic detected without corresponding DNS query: 4.140.9.131
Source: unknown TCP traffic detected without corresponding DNS query: 95.197.137.211
Source: unknown TCP traffic detected without corresponding DNS query: 90.188.64.89
Source: unknown TCP traffic detected without corresponding DNS query: 193.84.25.150
Source: unknown TCP traffic detected without corresponding DNS query: 191.7.159.60
Source: unknown TCP traffic detected without corresponding DNS query: 70.100.60.195
Source: unknown TCP traffic detected without corresponding DNS query: 122.51.163.65
Source: unknown TCP traffic detected without corresponding DNS query: 191.159.128.2
Source: unknown TCP traffic detected without corresponding DNS query: 109.32.154.32
Source: unknown TCP traffic detected without corresponding DNS query: 161.253.172.116
Source: unknown TCP traffic detected without corresponding DNS query: 75.239.252.166
Source: unknown TCP traffic detected without corresponding DNS query: 252.67.215.180
Source: unknown TCP traffic detected without corresponding DNS query: 45.185.71.67
Source: unknown TCP traffic detected without corresponding DNS query: 31.85.150.138
Source: unknown TCP traffic detected without corresponding DNS query: 58.78.164.242
Source: na.elf String found in binary or memory: http://upx.sf.net
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: LOAD without section mappings Program segment: 0x100000
Source: classification engine Classification label: mal68.troj.evad.linELF@0/0@0/0

Data Obfuscation

barindex
Source: initial sample String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample String containing UPX found: $Id: UPX 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $
Source: /tmp/na.elf (PID: 6220) File opened: /proc/6196/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/6231/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1582/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2033/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2275/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/3088/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/6195/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1612/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1579/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1699/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1335/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1698/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2028/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1334/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1576/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2302/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/3236/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2025/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2146/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/910/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/6227/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/6226/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/912/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/517/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/759/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2307/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/918/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4460/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4461/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1594/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2285/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2281/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1349/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1623/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/761/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1622/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/884/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1983/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2038/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1344/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1465/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1586/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1463/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2156/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/800/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/801/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1629/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4458/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4459/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1627/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1900/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/3021/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/491/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2294/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2050/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1877/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/772/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1633/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1599/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1632/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/774/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1477/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/654/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/896/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1476/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1872/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2048/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/655/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1475/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2289/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/656/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/777/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/657/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/658/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/419/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/936/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1639/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1638/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2208/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2180/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4482/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1809/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4487/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1494/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1890/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2063/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2062/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1888/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1886/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/420/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1489/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/785/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1642/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/788/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/667/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/789/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/1648/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4492/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/4494/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2078/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2077/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2074/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2195/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/670/exe Jump to behavior
Source: /tmp/na.elf (PID: 6220) File opened: /proc/2746/exe Jump to behavior
Source: na.elf Submission file: segment LOAD with 7.934 entropy (max. 8.0)
Source: /tmp/na.elf (PID: 6218) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 6218.1.0000558e2eb61000.0000558e2ec11000.rw-.sdmp Binary or memory string: !/etc/qemu-binfmt/ppc11!hotpluggableq
Source: na.elf, 6218.1.00007ffeb1a9e000.00007ffeb1abf000.rw-.sdmp, na.elf, 6221.1.00007ffeb1a9e000.00007ffeb1abf000.rw-.sdmp, na.elf, 6229.1.00007ffeb1a9e000.00007ffeb1abf000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-ppc/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, 6221.1.0000558e2eb61000.0000558e2ec11000.rw-.sdmp, na.elf, 6229.1.0000558e2eb61000.0000558e2ec11000.rw-.sdmp Binary or memory string: !/etc/qemu-binfmt/ppc1
Source: na.elf, 6218.1.0000558e2eb61000.0000558e2ec11000.rw-.sdmp, na.elf, 6221.1.0000558e2eb61000.0000558e2ec11000.rw-.sdmp, na.elf, 6229.1.0000558e2eb61000.0000558e2ec11000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/ppc
Source: na.elf, 6218.1.00007ffeb1a9e000.00007ffeb1abf000.rw-.sdmp, na.elf, 6221.1.00007ffeb1a9e000.00007ffeb1abf000.rw-.sdmp, na.elf, 6229.1.00007ffeb1a9e000.00007ffeb1abf000.rw-.sdmp Binary or memory string: /usr/bin/qemu-ppc

Stealing of Sensitive Information

barindex
Source: Yara match File source: 6229.1.00007f770c00a000.00007f770c010000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6218.1.00007f770c00a000.00007f770c010000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6221.1.00007f770c00a000.00007f770c010000.r-x.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: na.elf PID: 6218, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: na.elf PID: 6221, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: na.elf PID: 6229, type: MEMORYSTR

Remote Access Functionality

barindex
Source: Yara match File source: 6229.1.00007f770c00a000.00007f770c010000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6218.1.00007f770c00a000.00007f770c010000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 6221.1.00007f770c00a000.00007f770c010000.r-x.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: na.elf PID: 6218, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: na.elf PID: 6221, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: na.elf PID: 6229, type: MEMORYSTR
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs