Linux Analysis Report
arm6.elf

Overview

General Information

Sample name: arm6.elf
Analysis ID: 1542684
MD5: f9768c7ca4687aa0a55a11a86d98ed0a
SHA1: 85cf080e74b6c0675416ccce1f9d726dae44b68f
SHA256: e8c144f618641649d96a2b3b61df4fad7835ae9d93d89203476d5b491a603abf
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: 6226) Queries kernel information via 'uname': Jump to behavior
Source: arm6.elf, 6226.1.00005555a6d67000.00005555a6e95000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm6.elf, 6226.1.00007fff3ca28000.00007fff3ca49000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: arm6.elf, 6226.1.00007fff3ca28000.00007fff3ca49000.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
Source: arm6.elf, 6226.1.00005555a6d67000.00005555a6e95000.rw-.sdmp Binary or memory string: UU!/etc/qemu-binfmt/arm
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs