Linux Analysis Report
criptonize.armv4l.elf

Overview

General Information

Sample name: criptonize.armv4l.elf
Analysis ID: 1500280
MD5: cc8f0630bf944d121e0cd9699ff53186
SHA1: b35d25d84e8bf99c5aa7ec8b16b13f3b6731bc99
SHA256: 7c485ffda333072ff00cbc94821d57c33e090fd98650bcba46bfee0960d2667d
Tags: criptonizeelf
Infos:

Detection

Score: 1
Range: 0 - 100
Whitelisted: false

Signatures

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

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: 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: 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 has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: clean1.linELF@0/0@0/0
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/criptonize.armv4l.elf (PID: 6223) Queries kernel information via 'uname': Jump to behavior
Source: criptonize.armv4l.elf, 6223.1.0000555eba994000.0000555ebaac2000.rw-.sdmp Binary or memory string: ^U!/etc/qemu-binfmt/arm
Source: criptonize.armv4l.elf, 6223.1.00007ffe6d3d3000.00007ffe6d3f4000.rw-.sdmp Binary or memory string: i=x86_64/usr/bin/qemu-arm/tmp/criptonize.armv4l.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/criptonize.armv4l.elf
Source: criptonize.armv4l.elf, 6223.1.0000555eba994000.0000555ebaac2000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: criptonize.armv4l.elf, 6223.1.00007ffe6d3d3000.00007ffe6d3f4000.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
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