Linux Analysis Report
sh4.elf

Overview

General Information

Sample name: sh4.elf
Analysis ID: 1541833
MD5: 1ef39352a2c80bdd07bc2613012e5b29
SHA1: 6518e539d6313c172531957058380917685fd4b1
SHA256: 3fd2603c12c28f53c8221645ea0f802b70c51071278f24266dc77f6c6d8c2652
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
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
Source: sh4.elf Avira: detected
Source: sh4.elf Virustotal: Detection: 14% Perma Link
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: mal56.linELF@0/0@0/0
Source: /tmp/sh4.elf (PID: 6223) Queries kernel information via 'uname': Jump to behavior
Source: sh4.elf, 6223.1.00007ffd9d313000.00007ffd9d334000.rw-.sdmp Binary or memory string: /usr/bin/qemu-sh4
Source: sh4.elf, 6223.1.000055acb337a000.000055acb33dd000.rw-.sdmp Binary or memory string: U5!/etc/qemu-binfmt/sh4
Source: sh4.elf, 6223.1.000055acb337a000.000055acb33dd000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/sh4
Source: sh4.elf, 6223.1.00007ffd9d313000.00007ffd9d334000.rw-.sdmp Binary or memory string: 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