Linux Analysis Report
x86_32.elf

Overview

General Information

Sample name: x86_32.elf
Analysis ID: 1544851
MD5: c5e5a42d0348965ac381cf7434bfb8d7
SHA1: 709c9a33af817a1128fb8aaf5e0ddfb93b118600
SHA256: 921f759959e607fed011a7fec09a998afa6e8abead187f5d9e72075cceb8b868
Tags: elfuser-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
Sample and/or dropped files contains symbols with suspicious names
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_32.elf ReversingLabs: Detection: 21%
Machine Learning detection for sample
Source: x86_32.elf Joe Sandbox ML: detected
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 TCP traffic detected without corresponding DNS query: 91.189.91.43
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_32.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_122ff2e6 Author: unknown
Source: x86_32.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_fa48b592 Author: unknown
Source: x86_32.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Source: 6244.1.0000000008048000.000000000805b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_122ff2e6 Author: unknown
Source: 6244.1.0000000008048000.000000000805b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_fa48b592 Author: unknown
Source: 6244.1.0000000008048000.000000000805b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Contains symbols with names commonly found in malware
Source: ELF static info symbol of initial sample Name: AttackAddHost
Source: ELF static info symbol of initial sample Name: AttackGetBool
Source: ELF static info symbol of initial sample Name: AttackGetInt
Source: ELF static info symbol of initial sample Name: AttackGetStr
Source: ELF static info symbol of initial sample Name: AttackGreEth
Source: ELF static info symbol of initial sample Name: AttackGreEthBan
Source: ELF static info symbol of initial sample Name: AttackGreEthBasic
Source: ELF static info symbol of initial sample Name: AttackGreEthGbps
Source: ELF static info symbol of initial sample Name: AttackGreEthOpenVpn
Source: ELF static info symbol of initial sample Name: AttackGreEthPps
Sample and/or dropped files contains symbols with suspicious names
Source: x86_32.elf ELF static info symbol of initial sample: selfrep_scanner.c
Yara signature match
Source: x86_32.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_32.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: x86_32.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_8aa7b5d3 reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 02a2c18c362df4b1fceb33f3b605586514ba9a00c7afedf71c04fa54d8146444, id = 8aa7b5d3-e1eb-4b55-b36a-0d3a242c06e9, last_modified = 2022-01-26
Source: 6244.1.0000000008048000.000000000805b000.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: 6244.1.0000000008048000.000000000805b000.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: 6244.1.0000000008048000.000000000805b000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_8aa7b5d3 reference_sample = 5217f2a46cb93946e04ab00e385ad0fe0a2844b6ea04ef75ee9187aac3f3d52f, os = linux, severity = x86, creation_date = 2022-01-05, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = 02a2c18c362df4b1fceb33f3b605586514ba9a00c7afedf71c04fa54d8146444, id = 8aa7b5d3-e1eb-4b55-b36a-0d3a242c06e9, last_modified = 2022-01-26
Source: classification engine Classification label: mal64.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