Linux Analysis Report
i486.elf

Overview

General Information

Sample name: i486.elf
Analysis ID: 1541013
MD5: bd0da6d215821625c85f701133b3d758
SHA1: 0b0eca5e58828339727ed228a25e70d98c1a39ed
SHA256: ed9e82f85045eab3ef7c4e42b9c9ac2b85d4b619e7c34398b96b3eefa8f3a884
Tags: elfMiraiuser-abuse_ch
Infos:

Detection

Score: 64
Range: 0 - 100
Whitelisted: false

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Contains symbols with names commonly found in malware
Machine Learning detection for sample
Detected TCP or UDP traffic on non-standard ports
Found strings indicative of a multi-platform dropper
Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)
Yara signature match

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: i486.elf ReversingLabs: Detection: 13%
Machine Learning detection for sample
Source: i486.elf Joe Sandbox ML: detected
Found strings indicative of a multi-platform dropper
Source: i486.elf String: /lib//sbin//usr//proc//exeself/fd/fd/socket:/proc/proc//exewgetcurlftpmountabcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789/proc/net/tcp/proc//exe/fd//proc//maps/lib/usr/lib
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.23:50922 -> 193.70.75.42:5555
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: global traffic DNS traffic detected: DNS query: foxthreatnointel.africa
Source: unknown Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 42836 -> 443

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: i486.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_3a56423b Author: unknown
Source: i486.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_dab39a25 Author: unknown
Source: 6206.1.0000000008048000.000000000805a000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_3a56423b Author: unknown
Source: 6206.1.0000000008048000.000000000805a000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_dab39a25 Author: unknown
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
Yara signature match
Source: i486.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_3a56423b os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 117d6eb47f000c9d475119ca0e6a1b49a91bbbece858758aaa3d7f30d0777d75, id = 3a56423b-c0cf-4483-87e3-552beb40563a, last_modified = 2021-09-16
Source: i486.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_dab39a25 reference_sample = 3e02fb63803110cabde08e809cf4acc1b8fb474ace531959a311858fdd578bab, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 5a628d9af9d6dccf29e78f780bb74a2fa25167954c34d4a1529bdea5ea891ac0, id = dab39a25-852b-441f-86ab-23d945daa62c, last_modified = 2022-01-26
Source: 6206.1.0000000008048000.000000000805a000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_3a56423b os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 117d6eb47f000c9d475119ca0e6a1b49a91bbbece858758aaa3d7f30d0777d75, id = 3a56423b-c0cf-4483-87e3-552beb40563a, last_modified = 2021-09-16
Source: 6206.1.0000000008048000.000000000805a000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_dab39a25 reference_sample = 3e02fb63803110cabde08e809cf4acc1b8fb474ace531959a311858fdd578bab, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 5a628d9af9d6dccf29e78f780bb74a2fa25167954c34d4a1529bdea5ea891ac0, id = dab39a25-852b-441f-86ab-23d945daa62c, last_modified = 2022-01-26
Source: classification engine Classification label: mal64.linELF@0/0@1/0

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
193.70.75.42
 foxthreatnointel.africa France
16276 OVHFR 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

Contacted Domains

Name IP Active
foxthreatnointel.africa 193.70.75.42 true