Linux Analysis Report
arm6.elf

Overview

General Information

Sample name: arm6.elf
Analysis ID: 1541743
MD5: b031fca080a3195ce9496153d49ceb99
SHA1: f17df2ec142e5caed34731147f9b82eeb8270643
SHA256: c9449224b8b448b656d84a4cbe3e16a431117842a936888d90bef3ea0e1fa2fa
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 1
Range: 0 - 100
Whitelisted: false

Signatures

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

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 Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: clean1.linELF@0/0@0/0
Source: /tmp/arm6.elf (PID: 6215) Queries kernel information via 'uname': Jump to behavior
Source: arm6.elf, 6215.1.000055fb3117f000.000055fb312ad000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: arm6.elf, 6215.1.000055fb3117f000.000055fb312ad000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm6.elf, 6215.1.00007ffeccc43000.00007ffeccc64000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: arm6.elf, 6215.1.00007ffeccc43000.00007ffeccc64000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm6.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/arm6.elf
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs