Linux Analysis Report
na.elf

Overview

General Information

Sample name: na.elf
Analysis ID: 1530589
MD5: b460fe4501c5f35dfe315721f499069f
SHA1: 829aefed38f9d0860a3d3eb956d984d8384bab03
SHA256: 509b2f57e47fb9e25713463358a7f5bead8316e4b85f052dcf4ee0523d122a4b
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

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
Multi AV Scanner detection for submitted file
Source: na.elf Virustotal: Detection: 12% Perma Link
Source: na.elf ReversingLabs: Detection: 15%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal48.linELF@0/0@0/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/na.elf (PID: 6218) Queries kernel information via 'uname': Jump to behavior
Source: na.elf, 6218.1.000055d731276000.000055d7312fd000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/mips
Source: na.elf, 6218.1.000055d731276000.000055d7312fd000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/mips
Source: na.elf, 6218.1.00007ffed9aeb000.00007ffed9b0c000.rw-.sdmp Binary or memory string: /usr/bin/qemu-mips
Source: na.elf, 6218.1.00007ffed9aeb000.00007ffed9b0c000.rw-.sdmp Binary or memory string: 9mx86_64/usr/bin/qemu-mips/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 Screenshots

  • 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
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false