Linux Analysis Report
x86.elf

Overview

General Information

Sample name: x86.elf
Analysis ID: 1543492
MD5: aeeec528565d2ceec75e04a16ec0b530
SHA1: dea7c8a2278378bf60519d490ed95bf72bdc0922
SHA256: 30e7066744c10c4ccf980fd11a5325ccb7d57c8ae62e9dd2056cd7b63d6b0804
Tags: elfuser-abuse_ch
Infos:

Detection

Score: 56
Range: 0 - 100
Whitelisted: false

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample has stripped symbol table
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: x86.elf ReversingLabs: Detection: 13%
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

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_122ff2e6 Author: unknown
Source: x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_fa48b592 Author: unknown
Source: 6220.1.0000000008048000.0000000008052000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_122ff2e6 Author: unknown
Source: 6220.1.0000000008048000.0000000008052000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_fa48b592 Author: unknown
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_122ff2e6 reference_sample = c7dd999a033fa3edc1936785b87cd69ce2f5cac5a084ddfaf527a1094e718bc4, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 3c9ffd7537e30a21eefa6c174f801264b92a85a1bc73e34e6dc9e29f84658348, id = 122ff2e6-56e6-4aa8-a3ec-c19d31eb1f80, last_modified = 2021-09-16
Source: x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_fa48b592 reference_sample = c9e33befeec133720b3ba40bb3cd7f636aad80f72f324c5fe65ac7af271c49ee, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 8838d2752b310dbf7d12f6cf023244aaff4fdf5b55cf1e3b71843210df0fcf88, id = fa48b592-8d80-45af-a3e4-232695b8f5dd, last_modified = 2021-09-16
Source: 6220.1.0000000008048000.0000000008052000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_122ff2e6 reference_sample = c7dd999a033fa3edc1936785b87cd69ce2f5cac5a084ddfaf527a1094e718bc4, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 3c9ffd7537e30a21eefa6c174f801264b92a85a1bc73e34e6dc9e29f84658348, id = 122ff2e6-56e6-4aa8-a3ec-c19d31eb1f80, last_modified = 2021-09-16
Source: 6220.1.0000000008048000.0000000008052000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_fa48b592 reference_sample = c9e33befeec133720b3ba40bb3cd7f636aad80f72f324c5fe65ac7af271c49ee, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 8838d2752b310dbf7d12f6cf023244aaff4fdf5b55cf1e3b71843210df0fcf88, id = fa48b592-8d80-45af-a3e4-232695b8f5dd, last_modified = 2021-09-16
Source: classification engine Classification label: mal56.linELF@0/0@0/0

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
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