Linux Analysis Report
zmap.x86.elf

Overview

General Information

Sample name: zmap.x86.elf
Analysis ID: 1546736
MD5: f7505a8b058281835546dd4549fe7dbc
SHA1: 5725793206d387662d9dbbc6649bd63dea8929bd
SHA256: 324f57878b778a67a8a8fb8bbb651411b54042331bf9b22fb692252f1772ed8f
Tags: elfuser-abuse_ch
Infos:

Detection

Okiru
Score: 72
Range: 0 - 100
Whitelisted: false

Signatures

Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Okiru
Machine Learning detection for sample
Sample deletes itself
Detected TCP or UDP traffic on non-standard ports
Sample has stripped symbol table
Yara signature match

Classification

AV Detection
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Multi AV Scanner detection for submitted file
Source: zmap.x86.elf ReversingLabs: Detection: 60%
Machine Learning detection for sample
Source: zmap.x86.elf Joe Sandbox ML: detected
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.15:40140 -> 154.216.16.38:59962
Source: global traffic DNS traffic detected: DNS query: server.dico-inside.com

System Summary
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Malicious sample detected (through community Yara rule)
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_b14f4c5d Author: unknown
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_389ee3e9 Author: unknown
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_cc93863b Author: unknown
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_b14f4c5d Author: unknown
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_389ee3e9 Author: unknown
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_cc93863b Author: unknown
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_b14f4c5d Author: unknown
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_389ee3e9 Author: unknown
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_cc93863b Author: unknown
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Sample has stripped symbol table
Source: ELF static info symbol of initial sample .symtab present: no
Yara signature match
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_b14f4c5d os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = a70d052918dd2fbc66db241da6438015130f0fb6929229bfe573546fe98da817, id = b14f4c5d-054f-46e6-9fa8-3588f1ef68b7, last_modified = 2021-09-16
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_88de437f reference_sample = 8dc745a6de6f319cd6021c3e147597315cc1be02099d78fc8aae94de0e1e4bc6, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c19eb595c2b444a809bef8500c20342c9f46694d3018e268833f9b884133a1ea, id = 88de437f-9c98-4e1d-96c0-7b433c99886a, last_modified = 2021-09-16
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_389ee3e9 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 = 59f2359dc1f41d385d639d157b4cd9fc73d76d8abb7cc09d47632bb4c9a39e6e, id = 389ee3e9-70c1-4c93-a999-292cf6ff1652, last_modified = 2022-01-26
Source: zmap.x86.elf, type: SAMPLE Matched rule: Linux_Trojan_Mirai_cc93863b 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 = f3ecd30f0b511a8e92cfa642409d559e7612c3f57a1659ca46c77aca809a00ac, id = cc93863b-1050-40ba-9d02-5ec9ce6a3a28, last_modified = 2022-01-26
Source: zmap.x86.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: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_b14f4c5d os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = a70d052918dd2fbc66db241da6438015130f0fb6929229bfe573546fe98da817, id = b14f4c5d-054f-46e6-9fa8-3588f1ef68b7, last_modified = 2021-09-16
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_88de437f reference_sample = 8dc745a6de6f319cd6021c3e147597315cc1be02099d78fc8aae94de0e1e4bc6, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c19eb595c2b444a809bef8500c20342c9f46694d3018e268833f9b884133a1ea, id = 88de437f-9c98-4e1d-96c0-7b433c99886a, last_modified = 2021-09-16
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_389ee3e9 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 = 59f2359dc1f41d385d639d157b4cd9fc73d76d8abb7cc09d47632bb4c9a39e6e, id = 389ee3e9-70c1-4c93-a999-292cf6ff1652, last_modified = 2022-01-26
Source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_cc93863b 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 = f3ecd30f0b511a8e92cfa642409d559e7612c3f57a1659ca46c77aca809a00ac, id = cc93863b-1050-40ba-9d02-5ec9ce6a3a28, last_modified = 2022-01-26
Source: 5531.1.0000000008048000.0000000008057000.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: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_b14f4c5d os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = a70d052918dd2fbc66db241da6438015130f0fb6929229bfe573546fe98da817, id = b14f4c5d-054f-46e6-9fa8-3588f1ef68b7, last_modified = 2021-09-16
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_88de437f reference_sample = 8dc745a6de6f319cd6021c3e147597315cc1be02099d78fc8aae94de0e1e4bc6, os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = c19eb595c2b444a809bef8500c20342c9f46694d3018e268833f9b884133a1ea, id = 88de437f-9c98-4e1d-96c0-7b433c99886a, last_modified = 2021-09-16
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_389ee3e9 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 = 59f2359dc1f41d385d639d157b4cd9fc73d76d8abb7cc09d47632bb4c9a39e6e, id = 389ee3e9-70c1-4c93-a999-292cf6ff1652, last_modified = 2022-01-26
Source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY Matched rule: Linux_Trojan_Mirai_cc93863b 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 = f3ecd30f0b511a8e92cfa642409d559e7612c3f57a1659ca46c77aca809a00ac, id = cc93863b-1050-40ba-9d02-5ec9ce6a3a28, last_modified = 2022-01-26
Source: 5537.1.0000000008048000.0000000008057000.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: mal72.troj.evad.linELF@0/0@2/0

Hooking and other Techniques for Hiding and Protection
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Sample deletes itself
Source: /tmp/zmap.x86.elf (PID: 5531) File: /tmp/zmap.x86.elf Jump to behavior

Stealing of Sensitive Information
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Yara detected Okiru
Source: Yara match File source: zmap.x86.elf, type: SAMPLE
Source: Yara match File source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: zmap.x86.elf PID: 5531, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: zmap.x86.elf PID: 5537, type: MEMORYSTR

Remote Access Functionality
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Yara detected Okiru
Source: Yara match File source: zmap.x86.elf, type: SAMPLE
Source: Yara match File source: 5531.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY
Source: Yara match File source: 5537.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: zmap.x86.elf PID: 5531, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: zmap.x86.elf PID: 5537, type: MEMORYSTR
windows-stand
  • 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
154.216.16.38
 server.dico-inside.com Seychelles
135357 SKHT-ASShenzhenKatherineHengTechnologyInformationCo false

Contacted Domains

Name IP Active
server.dico-inside.com 154.216.16.38 true