Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1540996
MD5: 2ae67507543de72ba63ef6933bf45cff
SHA1: 31969621b68748d0dfa969f121853f370750e95a
SHA256: bb132b4c7e4457e3578a4e8d2de0423c0a67a26bd4c2ea61969ee1dacc53806c
Tags: elfMiraiuser-abuse_ch
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample has stripped symbol table
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
Antivirus / Scanner detection for submitted sample
Source: na.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: na.elf ReversingLabs: Detection: 68%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.14:46540 -> 185.125.190.26:443
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
Source: unknown TCP traffic detected without corresponding DNS query: 185.125.190.26
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: unknown Network traffic detected: HTTP traffic on port 46540 -> 443
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal56.linELF@0/0@2/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 5510) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 5510.1.00007ffe3dd4b000.00007ffe3dd6c000.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, 5510.1.000055bad3560000.000055bad368e000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: na.elf, 5510.1.00007ffe3dd4b000.00007ffe3dd6c000.rw-.sdmp Binary or memory string: qemu: %s: %s
Source: na.elf, 5510.1.00007ffe3dd4b000.00007ffe3dd6c000.rw-.sdmp Binary or memory string: leqemu: %s: %s
Source: na.elf, 5510.1.000055bad3560000.000055bad368e000.rw-.sdmp Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: na.elf, 5510.1.000055bad3560000.000055bad368e000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: na.elf, 5510.1.00007ffe3dd4b000.00007ffe3dd6c000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: na.elf, 5510.1.000055bad3560000.000055bad368e000.rw-.sdmp Binary or memory string: rg.qemu.gdb.arm.sys.regs">
windows-stand
  • 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
185.125.190.26
 unknown United Kingdom
41231 CANONICAL-ASGB false

Contacted Domains

Name IP Active
daisy.ubuntu.com 162.213.35.24 true