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Linux Analysis Report
boatnet.x86.elf

Overview

General Information

Sample name:	boatnet.x86.elf
Analysis ID:	1668423
MD5:	aaa5e87c5f5e9395bca4e07f0f52012f
SHA1:	13ca37be531a174ba22df258d3b6d4ebd1b62cd2
SHA256:	0f17756634ef88e01ae4d6bfcf23507415e402d47bcc63f33d23adef83a7f2a9
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	76
Range:	0 - 100

Signatures

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Sample is packed with UPX

Detected TCP or UDP traffic on non-standard ports

ELF contains segments with high entropy indicating compressed/encrypted content

Enumerates processes within the "proc" file system

Sample contains only a LOAD segment without any section mappings

Yara signature match

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1668423
Start date and time:	2025-04-18 15:50:22 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 25s
Hypervisor based Inspection enabled:	false
Report type:	full
Cookbook file name:	defaultlinuxfilecookbook.jbs
Analysis system description:	Ubuntu Linux 20.04 x64 (Kernel 5.4.0-72, Firefox 91.0, Evince Document Viewer 3.36.10, LibreOffice 6.4.7.2, OpenJDK 11.0.11)
Analysis Mode:	default
Sample name:	boatnet.x86.elf
Detection:	MAL
Classification:	mal76.troj.evad.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/boatnet.x86.elf
PID:	5429
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	lzrd cock fest"TSource Engin
Standard Error:

Process Tree

system is lnxubuntu20

boatnet.x86.elf (PID: 5429, Parent: 5355, MD5: aaa5e87c5f5e9395bca4e07f0f52012f) Arguments: /tmp/boatnet.x86.elf

boatnet.x86.elf New Fork (PID: 5430, Parent: 5429)

boatnet.x86.elf New Fork (PID: 5431, Parent: 5430)

cleanup

Malware Threat Intel

Provided by

Name	Description	Attribution	Blogpost URLs	Link
Mirai	Mirai is one of the first significant botnets targeting exposed networking devices running Linux. Found in August 2016 by MalwareMustDie, its name means "future" in Japanese. Nowadays it targets a wide range of networked embedded devices such as IP cameras, home routers (many vendors involved), and other IoT devices. Since the source code was published on "Hack Forums" many variants of the Mirai family appeared, infecting mostly home networks all around the world.	No Attribution	http://osint.bambenekconsulting.com/feeds/ http://www.simonroses.com/2016/10/mirai-ddos-botnet-source-code-binary-analysis/ https://blog.malwaremustdie.org/2020/02/mmd-0065-2021-linuxmirai-fbot-re.html https://blog.netlab.360.com/another-lilin-dvr-0-day-being-used-to-spread-mirai-en/ https://blog.netlab.360.com/mirai_ptea-botnet-is-exploiting-undisclosed-kguard-dvr-vulnerability-en/	https://malpedia.caad.fkie.fraunhofer.de/details/elf.mirai

Yara Signatures

Memory Dumps

Source	Rule	Description	Author	Strings
5429.1.0000000008048000.0000000008057000.r-x.sdmp	JoeSecurity_Mirai_3	Yara detected Mirai	Joe Security
5429.1.0000000008048000.0000000008057000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0xc39c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc3b0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc3c4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc3d8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc3ec:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc400:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc414:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc428:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc43c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc450:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc464:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc478:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc48c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc4a0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc4b4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc4c8:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc4dc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc4f0:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc504:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc518:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xc52c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Mirai_b14f4c5d	unknown	unknown	0x4a60:$a: 53 31 DB 8B 4C 24 0C 8B 54 24 08 83 F9 01 76 15 66 8B 02 83 E9 02 25 FF FF 00 00 83 C2 02 01 C3 83 F9 01 77 EB 49 75 05 0F BE 02 01 C3
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Mirai_88de437f	unknown	unknown	0x5b72:$a: 24 08 8B 4C 24 04 85 D2 74 0D 31 C0 89 F6 C6 04 08 00 40 39 D0
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Mirai_ae9d0fa6	unknown	unknown	0x1d2:$a: 83 EC 04 8A 44 24 18 8B 5C 24 14 88 44 24 03 8A 44 24 10 25 FF 00
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Mirai_389ee3e9	unknown	unknown	0x90b3:$a: 89 45 00 EB 2C 8B 4B 04 8B 13 8B 7B 18 8B 01 01 02 8B 02 83
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Mirai_cc93863b	unknown	unknown	0x7951:$a: C3 57 8B 44 24 0C 8B 4C 24 10 8B 7C 24 08 F3 AA 8B 44 24 08
5429.1.0000000008048000.0000000008057000.r-x.sdmp	Linux_Trojan_Mirai_8aa7b5d3	unknown	unknown	0x5b42:$a: 8B 4C 24 14 8B 74 24 0C 8B 5C 24 10 85 C9 74 0D 31 D2 8A 04 1A 88
Process Memory Space: boatnet.x86.elf PID: 5429	JoeSecurity_Mirai_3	Yara detected Mirai	Joe Security
Process Memory Space: boatnet.x86.elf PID: 5429	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
Process Memory Space: boatnet.x86.elf PID: 5429	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0x7af:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x7c3:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x7d7:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x7eb:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x7ff:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x813:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x827:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x83b:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x84f:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x863:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x877:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x88b:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x89f:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x8b3:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x8c7:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x8db:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x8ef:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x903:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x917:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x92b:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0x93f:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Click to see the 7 entries

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

• AV Detection
• Networking
• System Summary
• Data Obfuscation
• Persistence and Installation Behavior
• Hooking and other Techniques for Hiding and Protection
• Stealing of Sensitive Information
• Remote Access Functionality

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: boatnet.x86.elf	Virustotal: Detection: 26%			Perma Link
Source: boatnet.x86.elf	ReversingLabs: Detection: 38%

Source: global traffic

TCP traffic: 192.168.2.13:49578 -> 176.65.144.253:12972

Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253
Source: unknown	TCP traffic detected without corresponding DNS query: 176.65.144.253

Source: boatnet.x86.elf

String found in binary or memory: http://upx.sf.net

System Summary

Malicious sample detected (through community Yara rule)

Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_b14f4c5d Author: unknown
Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_88de437f Author: unknown
Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_ae9d0fa6 Author: unknown
Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_389ee3e9 Author: unknown
Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_cc93863b Author: unknown
Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_8aa7b5d3 Author: unknown
Source: Process Memory Space: boatnet.x86.elf PID: 5429, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown

Source: LOAD without section mappings

Program segment: 0xc01000

Source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16
Source: 5429.1.0000000008048000.0000000008057000.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: 5429.1.0000000008048000.0000000008057000.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: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Mirai_ae9d0fa6 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Mirai, fingerprint = ca2bf2771844bec95563800d19a35dd230413f8eff0bd44c8ab0b4c596f81bfc, id = ae9d0fa6-be06-4656-9b13-8edfc0ee9e71, last_modified = 2021-09-16
Source: 5429.1.0000000008048000.0000000008057000.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: 5429.1.0000000008048000.0000000008057000.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: 5429.1.0000000008048000.0000000008057000.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: Process Memory Space: boatnet.x86.elf PID: 5429, type: MEMORYSTR	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = a2c6beaec18ca876e8487c11bcc7a29279669588aacb7d3027d8d8df8f5bcead, id = 28a2fe0c-eed5-4c79-81e6-3b11b73a4ebd, last_modified = 2021-09-16

Source: classification engine

Classification label: mal76.troj.evad.linELF@0/0@0/0

Data Obfuscation

Sample is packed with UPX

Source: initial sample	String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample	String containing UPX found: $Info: This file is packed with the UPX executable packer http://upx.sf.net $
Source: initial sample	String containing UPX found: $Id: UPX 3.94 Copyright (C) 1996-2017 the UPX Team. All Rights Reserved. $

Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3640/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3640/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/230/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/230/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/110/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/110/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/231/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/231/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/111/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/111/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/232/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/232/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/112/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/112/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/233/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/233/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/113/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/113/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/234/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/234/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/114/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/114/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/235/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/235/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/115/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/115/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/236/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/236/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/116/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/116/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/237/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/237/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/117/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/117/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/238/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/238/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/118/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/118/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/239/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/239/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/119/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/119/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/914/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/914/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/10/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/10/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/917/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/917/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/11/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/11/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/5272/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/5272/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/12/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/12/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/13/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/13/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/14/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/14/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/15/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/15/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/16/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/16/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/17/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/17/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3771/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3771/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/18/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/18/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/19/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/19/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/240/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/240/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3095/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3095/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/120/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/120/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/241/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/241/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/121/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/121/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/242/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/242/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/122/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/122/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/243/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/243/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/2/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/2/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/123/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/123/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/244/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/244/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/3/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/124/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/124/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/245/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/245/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/1588/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/1588/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/125/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/125/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/4/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/4/maps	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/246/comm	Jump to behavior
Source: /tmp/boatnet.x86.elf (PID: 5431)	File opened: /proc/246/maps	Jump to behavior

Source: boatnet.x86.elf

Submission file: segment LOAD with 7.8787 entropy (max. 8.0)

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match	File source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: boatnet.x86.elf PID: 5429, type: MEMORYSTR

Remote Access Functionality

Yara detected Mirai

Source: Yara match	File source: 5429.1.0000000008048000.0000000008057000.r-x.sdmp, type: MEMORY
Source: Yara match	File source: Process Memory Space: boatnet.x86.elf PID: 5429, type: MEMORYSTR

Mitre Att&ck Matrix

Reconnaissance	Resource Development	Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Command and Control	Exfiltration	Impact
Gather Victim Identity Information	Acquire Infrastructure	Valid Accounts	Windows Management Instrumentation	Path Interception	Path Interception	11 Obfuscated Files or Information	1 OS Credential Dumping	System Service Discovery	Remote Services	Data from Local System	1 Non-Standard Port	Exfiltration Over Other Network Medium	Abuse Accessibility Features

Malware Configuration

⊘No configs have been found

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Number of created Files
Is malicious
Internet

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
boatnet.x86.elf	27%	Virustotal		Browse
boatnet.x86.elf	39%	ReversingLabs	Linux.Worm.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Download Network PCAP: filtered – full

Contacted Domains

⊘No contacted domains info

URLs from Memory and Binaries

Name	Source	Malicious	Antivirus Detection	Reputation
http://upx.sf.net	boatnet.x86.elf	false		high

World Map of Contacted IPs

No. of IPs < 25%
25% < No. of IPs < 50%
50% < No. of IPs < 75%
75% < No. of IPs

Public IPs

IP	Domain	Country	Flag	ASN	ASN Name	Malicious
176.65.144.253	unknown	Germany		12975	PALTEL-ASPALTELAutonomousSystemPS	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link
176.65.144.253	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Gafgyt, Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
PALTEL-ASPALTELAutonomousSystemPS	boatnet.m68k.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.arm.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.mpsl.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.spc.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.mips.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.sh4.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.arm7.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.x86.elf	Get hash	malicious	Mirai	Browse	176.65.137.13
	boatnet.spc.elf	Get hash	malicious	Mirai	Browse	176.65.137.13

JA3 Fingerprints

⊘No context

Dropped Files

⊘No context

Created / dropped Files

⊘No created / dropped files found

Static File Info

General

File type:	ELF 32-bit LSB executable, Intel 80386, version 1 (GNU/Linux), statically linked, no section header
Entropy (8bit):	7.874204885029072
TrID:	ELF Executable and Linkable format (Linux) (4029/14) 50.16% ELF Executable and Linkable format (generic) (4004/1) 49.84%
File name:	boatnet.x86.elf
File size:	32'852 bytes
MD5:	aaa5e87c5f5e9395bca4e07f0f52012f
SHA1:	13ca37be531a174ba22df258d3b6d4ebd1b62cd2
SHA256:	0f17756634ef88e01ae4d6bfcf23507415e402d47bcc63f33d23adef83a7f2a9
SHA512:	42003f3d44285bc714d820ac5a85d088acf26f417db04b288a8920b7d9eab8c7bf926a3cb8ecb0814831973b2969449fb90d9d97ceb587bda530678eca4c8563
SSDEEP:	768:/ymHKHkMheDk61bzrXEcJ+9A/60VdZ7Xqo4e0RVv8ta02NUXjML58bz:qmHk8r9GQ52DRUEr6jDv
TLSH:	2DE2F1E1C327500FDA4E917C01355B843570A9C087D6ABB8FE2F724FBB6122E91D2239
File Content Preview:	.ELF....................h...4...........4. ...(.....................K...K...........................................Q.td...............................4UPX!........4...4.......Z........?d..ELF.......d.......4....4. (.......k.-.#................p..d.*)d..l

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	Intel 80386
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - Linux
ABI Version:	0
Entry Point Address:	0xc08768
Flags:	0x0
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	0
Section Header Size:	40
Number of Section Headers:	0
Header String Table Index:	0

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align
LOAD	0x0	0xc01000	0xc01000	0x7f4b	0x7f4b	7.8787	0x5	R E	0x1000
LOAD	0x980	0x8059980	0x8059980	0x0	0x0	0.0000	0x6	RW	0x1000
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x6	RW	0x4

Network Behavior

Download Network PCAP: filtered – full

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Apr 18, 2025 15:51:12.947974920 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:13.183329105 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:13.183471918 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:13.183559895 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:13.418596983 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:13.418678045 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:13.653747082 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:23.193612099 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:23.428828001 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:23.428853035 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:23.428925991 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:38.680600882 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:38.680869102 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:51:53.915776014 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:51:53.915961981 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:52:09.150630951 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:52:09.150746107 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:52:23.457287073 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:52:23.692754030 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:52:23.692837000 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:52:38.936685085 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:52:38.936832905 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:52:54.171674013 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:52:54.171773911 CEST	49578	12972	192.168.2.13	176.65.144.253
Apr 18, 2025 15:53:09.406651020 CEST	12972	49578	176.65.144.253	192.168.2.13
Apr 18, 2025 15:53:09.406841040 CEST	49578	12972	192.168.2.13	176.65.144.253

System Behavior

Analysis Process: boatnet.x86.elf PID: 5429, Parent PID: 5355

General

Start time (UTC):	13:51:12
Start date (UTC):	18/04/2025
Path:	/tmp/boatnet.x86.elf
Arguments:	/tmp/boatnet.x86.elf
File size:	32852 bytes
MD5 hash:	aaa5e87c5f5e9395bca4e07f0f52012f

Process Activities

Process Forked

Ptrace Requested

Chronological Activities

Analysis Process: boatnet.x86.elf PID: 5430, Parent PID: 5429

General

Start time (UTC):	13:51:12
Start date (UTC):	18/04/2025
Path:	/tmp/boatnet.x86.elf
Arguments:	-
File size:	32852 bytes
MD5 hash:	aaa5e87c5f5e9395bca4e07f0f52012f

Process Activities

Process Forked

Chronological Activities

Analysis Process: boatnet.x86.elf PID: 5431, Parent PID: 5430

General

Start time (UTC):	13:51:12
Start date (UTC):	18/04/2025
Path:	/tmp/boatnet.x86.elf
Arguments:	-
File size:	32852 bytes
MD5 hash:	aaa5e87c5f5e9395bca4e07f0f52012f

Description:	Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit. This is common behavior that can be used across different platforms and the network to evade defenses.
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, File: File Creation, File: File Metadata, Module: Module Load, Process: OS API Execution, Process: Process Creation, Script: Script Execution, WMI: WMI Creation, Windows Registry: Windows Registry Key Creation
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to dump credentials to obtain account login and credential material, normally in the form of a hash or a clear text password, from the operating system and software. Credentials can then be used to perform Lateral Movement and access restricted information.
Tactics:	Credential Access
Data Sources:	Active Directory: Active Directory Object Access, Command: Command Execution, File: File Access, Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow, Process: OS API Execution, Process: Process Access, Process: Process Creation, Windows Registry: Windows Registry Key Access
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using a protocol and port pairing that are typically not associated. For example, HTTPS over port 8088or port 587as opposed to the traditional port 443. Adversaries may make changes to the standard port used by a protocol to bypass filtering or muddle analysis/parsing of network data.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

Loading Joe Sandbox Report ...

Warning!

Linux Analysis Report boatnet.x86.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

Memory Dumps

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

Data Obfuscation

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Stealing of Sensitive Information

Remote Access Functionality

Mitre Att&ck Matrix

Malware Configuration

Behavior Graph

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Domains

URLs

Domains and IPs

Contacted Domains

URLs from Memory and Binaries

World Map of Contacted IPs

Public IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

Static ELF Info

ELF header

Program Segments

Network Behavior

TCP Packets

System Behavior

Analysis Process: boatnet.x86.elf PID: 5429, Parent PID: 5355

General

Process Activities

Process Forked

Ptrace Requested

Chronological Activities

Analysis Process: boatnet.x86.elf PID: 5430, Parent PID: 5429

General

Process Activities

Process Forked

Chronological Activities

Analysis Process: boatnet.x86.elf PID: 5431, Parent PID: 5430

General

File Activities

File Opened

File Read

Directory Enumerated

Process Activities

Thread Sleep

Chronological Activities

Linux Analysis Report
boatnet.x86.elf