Linux Analysis Report
arm7.elf

Overview

General Information

Sample name: arm7.elf
Analysis ID: 1541689
MD5: eddfbe3c15763e0d9e0a681ce3b5b221
SHA1: 7bcb332a955fd89f086165e6d4612f6f3b2d2ff0
SHA256: 6dd5248adb11d76151ad9e9fbb00309a7bc7505c6e19cc4c3f29971ece490d88
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: 192.168.2.23:42836 -> 91.189.91.43:443
Source: global traffic TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
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/arm7.elf (PID: 6213) Queries kernel information via 'uname': Jump to behavior
Source: arm7.elf, 6213.1.000055de3197d000.000055de31aab000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: arm7.elf, 6213.1.000055de3197d000.000055de31aab000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm7.elf, 6213.1.00007ffcfa8d6000.00007ffcfa8f7000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: arm7.elf, 6213.1.00007ffcfa8d6000.00007ffcfa8f7000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm7.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/arm7.elf
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs