Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1533414
MD5: 159ef8f78ce2cfaaf1df867e2588164e
SHA1: 4ce1b012e848161e8ac5cb82aad5d5c7dd326438
SHA256: d162b93f640d5183547fd9a8d9cd9aca116f4d4c81b41904f1b54944067541a8
Tags: elfuser-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
Sample is packed with UPX
ELF contains segments with high entropy indicating compressed/encrypted content
Sample contains only a LOAD segment without any section mappings
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: 62%
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic DNS traffic detected: DNS query: daisy.ubuntu.com
Source: na.elf String found in binary or memory: http://upx.sf.net
Sample contains only a LOAD segment without any section mappings
Source: LOAD without section mappings Program segment: 0x400000
Source: classification engine Classification label: mal60.evad.linELF@0/0@2/0

Data Obfuscation
barindex
Sample is packed with UPX
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 3.95 Copyright (C) 1996-2018 the UPX Team. All Rights Reserved. $
ELF contains segments with high entropy indicating compressed/encrypted content
Source: na.elf Submission file: segment LOAD with 7.9253 entropy (max. 8.0)
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 5530) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5530.1.000055d606ef2000.000055d606f79000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mipsel
Source: na.elf, 5530.1.00007fff584a9000.00007fff584ca000.rw-.sdmp Binary or memory string: ;2x86_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, 5530.1.000055d606ef2000.000055d606f79000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/mipsel
Source: na.elf, 5530.1.00007fff584a9000.00007fff584ca000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 5 (Trace/breakpoint trap) - core dumped
Source: na.elf, 5530.1.00007fff584a9000.00007fff584ca000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mipsel

No Screenshots

⊘No contacted IP infos

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.25 true