Linux Analysis Report
arm6.elf

Overview

General Information

Sample name: arm6.elf
Analysis ID: 1565530
MD5: 03b1339f6fdd432c1594a5adc02e2eb8
SHA1: 3a0998e20c6cc1c2b9b44ae93f984cd09a2b155b
SHA256: e0efcb1ccd94c26a496c2cfde9276cb3e964153e4ad39eb6272db55ed54cf365
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Sample listens on a socket
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: arm6.elf ReversingLabs: Detection: 50%
Source: arm6.elf Virustotal: Detection: 46% Perma Link
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:52472 -> 85.239.34.134:37212
Sample listens on a socket
Source: /tmp/arm6.elf (PID: 6240) Socket: 127.0.0.1:57186 Jump to behavior
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
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: 85.239.34.134
Source: unknown TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown TCP traffic detected without corresponding DNS query: 85.239.34.134
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: 85.239.34.134
Source: unknown TCP traffic detected without corresponding DNS query: 85.239.34.134
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: 85.239.34.134
Source: unknown TCP traffic detected without corresponding DNS query: 85.239.34.134
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
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/arm6.elf (PID: 6240) Queries kernel information via 'uname': Jump to behavior
Source: arm6.elf, 6240.1.000055a81a83d000.000055a81a96b000.rw-.sdmp, arm6.elf, 6244.1.000055a81a83d000.000055a81a96b000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: arm6.elf, 6240.1.000055a81a83d000.000055a81a96b000.rw-.sdmp, arm6.elf, 6244.1.000055a81a83d000.000055a81a96b000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: arm6.elf, 6240.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmp, arm6.elf, 6244.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: arm6.elf, 6240.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmp, arm6.elf, 6244.1.00007ffc48fdc000.00007ffc48ffd000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/arm6.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/arm6.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
85.239.34.134
 unknown Russian Federation
134121 RAINBOW-HKRainbownetworklimitedHK false
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