Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1528910
MD5: 87ca9a896948456cd969aa47d08fc3a8
SHA1: 54f2a05476b34612c9614ac729c06fa4d01162f5
SHA256: 24a0f22f18dd22152a6cd1367589715da61f1d87dde2ddbb4a884e017fc8b036
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 1
Range: 0 - 100
Whitelisted: false

Signatures

Sample contains strings that are potentially command strings
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

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: Initial sample Potential command found: ssh server is locked, please try again %dmin after !!!
Source: Initial sample Potential command found: X11 forwarding
Source: Initial sample Potential command found: X11 forwarding disabled in user configuration file.
Source: Initial sample Potential command found: X11 forwarding disabled in server configuration file.
Source: Initial sample Potential command found: X11 display already set.
Source: Initial sample Potential command found: X11 connection requested.
Source: Initial sample Potential command found: X11 connection from %.200s port %d
Source: Initial sample Potential command found: X11 connection rejected because of wrong authentication.
Source: Initial sample Potential command found: X11 rejected %d i%d/o%d
Source: Initial sample Potential command found: X11 closed %d i%d/o%d
Source: Initial sample Potential command found: X11 inet listener
Source: Initial sample Potential command found: X11 connection uses different authentication protocol.
Source: Initial sample Potential command found: X11 auth data does not match fake data.
Source: Initial sample Potential command found: X11 fake_data_len %d != saved_data_len %d
Source: classification engine Classification label: clean1.linELF@0/0@2/0
Source: /tmp/na.elf (PID: 5489) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5489.1.00007ffdf621f000.00007ffdf6240000.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, 5489.1.000055845c553000.000055845c65f000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: na.elf, 5489.1.000055845c553000.000055845c65f000.rw-.sdmp Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: na.elf, 5489.1.000055845c553000.000055845c65f000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5489.1.00007ffdf621f000.00007ffdf6240000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: na.elf, 5489.1.000055845c553000.000055845c65f000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">
No contacted IP infos