Linux Analysis Report
meow.arm7.elf

Overview

General Information

Sample name: meow.arm7.elf
Analysis ID: 1546866
MD5: 88d73a66357528223b9d2fffe7d273ba
SHA1: 3c33aa8d1b962ec6a107897d80d34a5d0b99899e
SHA256: 75a1199fbf8abd52bc957b07ff7574ddc98719272ad9f2f0d427178ac1c60967
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 52
Range: 0 - 100
Whitelisted: false

Signatures

Multi AV Scanner detection for submitted file
Contains symbols with names commonly found in malware
Detected TCP or UDP traffic on non-standard ports
Executes the "rm" command used to delete files or directories
Sample and/or dropped files contains symbols with suspicious names
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: meow.arm7.elf ReversingLabs: Detection: 42%
Source: unknown HTTPS traffic detected: 54.171.230.55:443 -> 192.168.2.23:33606 version: TLS 1.2
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:33498 -> 64.137.31.246:6860
Sample listens on a socket
Source: /tmp/meow.arm7.elf (PID: 6221) Socket: 127.0.0.1:45295 Jump to behavior
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
Source: unknown TCP traffic detected without corresponding DNS query: 64.137.31.246
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: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown TCP traffic detected without corresponding DNS query: 54.171.230.55
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 443 -> 33606
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 33606 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443
Source: unknown HTTPS traffic detected: 54.171.230.55:443 -> 192.168.2.23:33606 version: TLS 1.2

System Summary
barindex
Contains symbols with names commonly found in malware
Source: ELF static info symbol of initial sample Name: add_attack
Source: ELF static info symbol of initial sample Name: attack_add_pid
Source: ELF static info symbol of initial sample Name: attack_init
Source: ELF static info symbol of initial sample Name: attack_ongoing
Source: ELF static info symbol of initial sample Name: attack_parse
Source: ELF static info symbol of initial sample Name: attack_remove_id
Source: ELF static info symbol of initial sample Name: attack_start
Source: ELF static info symbol of initial sample Name: attack_stop
Source: ELF static info symbol of initial sample Name: attacks_ack
Source: ELF static info symbol of initial sample Name: attacks_gre
Sample and/or dropped files contains symbols with suspicious names
Source: meow.arm7.elf ELF static info symbol of initial sample: __gnu_unwind_execute
Source: classification engine Classification label: mal52.linELF@0/0@0/0
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 6262) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.NA12ehSwW9 /tmp/tmp.LhvMiYHory /tmp/tmp.i3CCLNAnoB Jump to behavior
Source: /usr/bin/dash (PID: 6271) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.NA12ehSwW9 /tmp/tmp.LhvMiYHory /tmp/tmp.i3CCLNAnoB Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/meow.arm7.elf (PID: 6221) Queries kernel information via 'uname': Jump to behavior
Source: meow.arm7.elf, 6221.1.00007ffed07e5000.00007ffed0806000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/meow.arm7.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/meow.arm7.elf
Source: meow.arm7.elf, 6221.1.000055a87bc10000.000055a87bd5f000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: meow.arm7.elf, 6221.1.000055a87bc10000.000055a87bd5f000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: meow.arm7.elf, 6221.1.00007ffed07e5000.00007ffed0806000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm

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
54.171.230.55
 unknown United States
16509 AMAZON-02US false
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
64.137.31.246
 unknown United States
61317 ASDETUKhttpwwwheficedcomGB false
91.189.91.43
 unknown United Kingdom
41231 CANONICAL-ASGB false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false