Linux Analysis Report
sh4.elf

Overview

General Information

Sample name: sh4.elf
Analysis ID: 1541760
MD5: 47182ebf68e477b80569e5021e6c05a8
SHA1: d29ae9988e4fbd8ea509d13d2e8c2d6ba35222b3
SHA256: 92b68861cee6fe4a7aa750ebaab644e03cae80ec399ef9aa4071f0e50fda54a1
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 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
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: clean1.linELF@0/0@0/0
Source: /tmp/sh4.elf (PID: 6255) Queries kernel information via 'uname': Jump to behavior
Source: sh4.elf, 6255.1.00007ffcdc466000.00007ffcdc487000.rw-.sdmp Binary or memory string: /usr/bin/qemu-sh4
Source: sh4.elf, 6255.1.000055d9e934e000.000055d9e93b1000.rw-.sdmp Binary or memory string: U5!/etc/qemu-binfmt/sh4
Source: sh4.elf, 6255.1.000055d9e934e000.000055d9e93b1000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/sh4
Source: sh4.elf, 6255.1.00007ffcdc466000.00007ffcdc487000.rw-.sdmp Binary or memory string: k$x86_64/usr/bin/qemu-sh4/tmp/sh4.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/sh4.elf
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs