Linux Analysis Report
zerarm5.elf

Overview

General Information

Sample name: zerarm5.elf
Analysis ID: 1543151
MD5: 18b56ea7c73fa8e2e713a12541ab6abe
SHA1: 44389d403fad81a57066223e6089f6e6e6870cc7
SHA256: 3046219cbadae91211d619ef2d1ad635c0b1ed1ce759c4583a95015b6cf58ab3
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Connects to many ports of the same IP (likely port scanning)
Sends malformed DNS queries
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sample listens on a socket
Uses the "uname" system call to query kernel version information (possible evasion)

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: zerarm5.elf ReversingLabs: Detection: 50%

Networking
barindex
Connects to many ports of the same IP (likely port scanning)
Source: global traffic TCP traffic: 185.150.24.67 ports 38241,1,2,3,4,8
Source: global traffic TCP traffic: 45.156.86.24 ports 38241,1,2,3,4,8
Sends malformed DNS queries
Source: global traffic DNS traffic detected: malformed DNS query: netfags.geek. [malformed]
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.13:33436 -> 185.150.24.67:38241
Source: global traffic TCP traffic: 192.168.2.13:49406 -> 45.156.86.24:38241
Sample listens on a socket
Source: /tmp/zerarm5.elf (PID: 5474) Socket: 127.0.0.1:39148 Jump to behavior
Source: unknown UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown UDP traffic detected without corresponding DNS query: 185.181.61.24
Source: unknown UDP traffic detected without corresponding DNS query: 51.158.108.203
Source: unknown UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: unknown UDP traffic detected without corresponding DNS query: 194.36.144.87
Source: unknown UDP traffic detected without corresponding DNS query: 51.158.108.203
Source: unknown UDP traffic detected without corresponding DNS query: 81.169.136.222
Source: unknown UDP traffic detected without corresponding DNS query: 202.61.197.122
Source: unknown UDP traffic detected without corresponding DNS query: 152.53.15.127
Source: unknown UDP traffic detected without corresponding DNS query: 168.235.111.72
Source: global traffic DNS traffic detected: DNS query: chinklabs.dyn
Source: global traffic DNS traffic detected: DNS query: netfags.geek. [malformed]
Source: global traffic DNS traffic detected: DNS query: yellowchink.pirate
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal56.troj.linELF@0/0@10/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/zerarm5.elf (PID: 5474) Queries kernel information via 'uname': Jump to behavior
Source: zerarm5.elf, 5474.1.000056149f7b4000.000056149f8e2000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: zerarm5.elf, 5474.1.000056149f7b4000.000056149f8e2000.rw-.sdmp Binary or memory string: V!/etc/qemu-binfmt/arm
Source: zerarm5.elf, 5474.1.00007ffd6e6b4000.00007ffd6e6d5000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: zerarm5.elf, 5474.1.00007ffd6e6b4000.00007ffd6e6d5000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/zerarm5.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/zerarm5.elf

No Screenshots

  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
185.150.24.67
 chinklabs.dyn Netherlands
44592 SKYLINKNL true
45.156.86.24
 yellowchink.pirate Germany
44592 SKYLINKNL true

Contacted Domains

Name IP Active
yellowchink.pirate 45.156.86.24 true
chinklabs.dyn 185.150.24.67 true
netfags.geek. [malformed] unknown unknown