Linux Analysis Report
arm5.elf

Overview

General Information

Sample name: arm5.elf
Analysis ID: 1541703
MD5: 537559b8588d173d38e35b80fe7ab118
SHA1: 65c59f1b6994ae45a1c25e73f75679aea132f57d
SHA256: 2ee2eaa1fce89b91fb70dd2e853ac63b600c11feae4a1624fa90f1c6e33bc67c
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Sample and/or dropped files contains symbols with suspicious names
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
Multi AV Scanner detection for submitted file
Source: arm5.elf Virustotal: Detection: 7% Perma Link
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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
Sample and/or dropped files contains symbols with suspicious names
Source: arm5.elf ELF static info symbol of initial sample: __gnu_unwind_execute
Source: classification engine Classification label: mal48.linELF@0/0@0/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/arm5.elf (PID: 6237) Queries kernel information via 'uname': Jump to behavior
Source: arm5.elf, 6237.1.00007ffc412f1000.00007ffc41312000.rw-.sdmp Binary or memory string: ~x86_64/usr/bin/qemu-arm/tmp/arm5.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/arm5.elf
Source: arm5.elf, 6237.1.0000563ede178000.0000563ede2a6000.rw-.sdmp Binary or memory string: >V!/etc/qemu-binfmt/arm
Source: arm5.elf, 6237.1.0000563ede178000.0000563ede2a6000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm5.elf, 6237.1.00007ffc412f1000.00007ffc41312000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
windows-stand
  • 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
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false