Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1531475
MD5: d9602dac7e53c84f9fb8dd6f75f72319
SHA1: 5a7bc80aa12e68a6e7bbe5630045ff660210d848
SHA256: 320458c02e262cf36a421fbe273c88149ee557850c1ae52b18d19f59af71fcc2
Tags: elfHajimeuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
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
Source: na.elf ReversingLabs: Detection: 42%
Source: na.elf Virustotal: Detection: 41% Perma Link
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: LOAD without section mappings Program segment: 0x100000
Source: classification engine Classification label: mal48.linELF@0/0@2/0
Source: na.elf Submission file: segment LOAD with 7.9973 entropy (max. 8.0)
Source: /tmp/na.elf (PID: 5483) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5483.1.000056454f24b000.000056454f2d2000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mipsel
Source: na.elf, 5483.1.000056454f24b000.000056454f2d2000.rw-.sdmp Binary or memory string: &OEV &OEV!/etc/qemu-binfmt/mipsel
Source: na.elf, 5483.1.00007ffeb5d82000.00007ffeb5da3000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Source: na.elf, 5483.1.00007ffeb5d82000.00007ffeb5da3000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mipsel
Source: na.elf, 5483.1.00007ffeb5d82000.00007ffeb5da3000.rw-.sdmp Binary or memory string: x86_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
No contacted IP infos