Linux Analysis Report
J5uGzpvcAa.elf

Overview

General Information

Sample name: J5uGzpvcAa.elf
renamed because original name is a hash value
Original sample name: b4c4c62486a6d7d86def0b748e250f29.elf
Analysis ID: 1546911
MD5: b4c4c62486a6d7d86def0b748e250f29
SHA1: c78ecd77ee3f6a74613474d6cba9aa4cc3a62678
SHA256: c67cb80e937aa309f07ce8df926cc6c5f6ec89298d017ea91650938c14460bc1
Tags: 32armelfmirai
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Detected TCP or UDP traffic on non-standard ports
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: J5uGzpvcAa.elf Avira: detected
Source: J5uGzpvcAa.elf ReversingLabs: Detection: 68%
Source: global traffic TCP traffic: 192.168.2.23:42882 -> 95.164.4.65:666
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: 95.164.4.65
Source: unknown TCP traffic detected without corresponding DNS query: 95.164.4.65
Source: unknown TCP traffic detected without corresponding DNS query: 95.164.4.65
Source: unknown TCP traffic detected without corresponding DNS query: 95.164.4.65
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: 95.164.4.65
Source: unknown TCP traffic detected without corresponding DNS query: 95.164.4.65
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: 95.164.4.65
Source: unknown TCP traffic detected without corresponding DNS query: 95.164.4.65
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: mal56.linELF@0/0@0/0
Source: /tmp/J5uGzpvcAa.elf (PID: 6216) Queries kernel information via 'uname': Jump to behavior
Source: J5uGzpvcAa.elf, 6216.1.000055b92efee000.000055b92f11c000.rw-.sdmp, J5uGzpvcAa.elf, 6218.1.000055b92efee000.000055b92f11c000.rw-.sdmp, J5uGzpvcAa.elf, 6221.1.000055b92efee000.000055b92f11c000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: J5uGzpvcAa.elf, 6216.1.000055b92efee000.000055b92f11c000.rw-.sdmp, J5uGzpvcAa.elf, 6218.1.000055b92efee000.000055b92f11c000.rw-.sdmp, J5uGzpvcAa.elf, 6221.1.000055b92efee000.000055b92f11c000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: J5uGzpvcAa.elf, 6216.1.00007fffda5d8000.00007fffda5f9000.rw-.sdmp, J5uGzpvcAa.elf, 6218.1.00007fffda5d8000.00007fffda5f9000.rw-.sdmp, J5uGzpvcAa.elf, 6221.1.00007fffda5d8000.00007fffda5f9000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: J5uGzpvcAa.elf, 6216.1.00007fffda5d8000.00007fffda5f9000.rw-.sdmp, J5uGzpvcAa.elf, 6218.1.00007fffda5d8000.00007fffda5f9000.rw-.sdmp, J5uGzpvcAa.elf, 6221.1.00007fffda5d8000.00007fffda5f9000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/J5uGzpvcAa.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/J5uGzpvcAa.elf
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs