Linux Analysis Report
bJC4H147mB.elf

Overview

General Information

Sample name: bJC4H147mB.elf
renamed because original name is a hash value
Original sample name: 18fe386c851824a33e76da1f57610e18.elf
Analysis ID: 1431546
MD5: 18fe386c851824a33e76da1f57610e18
SHA1: 66da86bfd7f9f4cc281bc7a9d168b1ab5b48b1e5
SHA256: 50b898b08501dea41eac653d65b77f3bb3e1fd546023bb02f74eb333a593f002
Tags: 32armelfmirai
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Executes the "rm" command used to delete files or directories
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

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: bJC4H147mB.elf Avira: detected
Multi AV Scanner detection for submitted file
Source: bJC4H147mB.elf Virustotal: Detection: 56% Perma Link
Source: bJC4H147mB.elf ReversingLabs: Detection: 70%
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Source: global traffic TCP traffic: 192.168.2.23:39256 -> 34.249.145.219:443
Source: global traffic TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: unknown TCP traffic detected without corresponding DNS query: 34.249.145.219
Source: unknown TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown TCP traffic detected without corresponding DNS query: 34.249.145.219
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: 34.249.145.219
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 39256 -> 443
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Source: classification engine Classification label: mal56.linELF@0/0@0/0
Executes the "rm" command used to delete files or directories
Source: /usr/bin/dash (PID: 6332) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.MDFBZFUGiB /tmp/tmp.2nBAIp2TFT /tmp/tmp.ak5R7DwSTE Jump to behavior
Source: /usr/bin/dash (PID: 6333) Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.MDFBZFUGiB /tmp/tmp.2nBAIp2TFT /tmp/tmp.ak5R7DwSTE Jump to behavior
Uses the "uname" system call to query kernel version information (possible evasion)
Source: /tmp/bJC4H147mB.elf (PID: 6266) Queries kernel information via 'uname': Jump to behavior
Source: bJC4H147mB.elf, 6266.1.000055c6cd903000.000055c6cda31000.rw-.sdmp Binary or memory string: U!/etc/qemu-binfmt/arm
Source: bJC4H147mB.elf, 6266.1.00007fff44def000.00007fff44e10000.rw-.sdmp Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/bJC4H147mB.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/bJC4H147mB.elf
Source: bJC4H147mB.elf, 6266.1.000055c6cd903000.000055c6cda31000.rw-.sdmp Binary or memory string: /etc/qemu-binfmt/arm
Source: bJC4H147mB.elf, 6266.1.00007fff44def000.00007fff44e10000.rw-.sdmp Binary or memory string: /usr/bin/qemu-arm
Source: bJC4H147mB.elf, 6266.1.00007fff44def000.00007fff44e10000.rw-.sdmp Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

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
34.249.145.219
 unknown United States
16509 AMAZON-02US false
109.202.202.202
 unknown Switzerland
13030 INIT7CH false
91.189.91.42
 unknown United Kingdom
41231 CANONICAL-ASGB false