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Linux Analysis Report
Cinquento.arm5.elf

Overview

General Information

Sample name:	Cinquento.arm5.elf
Analysis ID:	1589572
MD5:	f1b282409af3a56738b680fa805b2e6e
SHA1:	baa93cc7980adb93c8379686cd13cc0c28fc95ae
SHA256:	cb2706d62de598be16fd338017cd9996848cbc78f0aee981aa00bb0fd8a1680e
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	72
Range:	0 - 100
Whitelisted:	false

Signatures

Antivirus / Scanner detection for submitted sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Yara detected Mirai

Sample has stripped symbol table

Uses the "uname" system call to query kernel version information (possible evasion)

Yara signature match

Classification

General Information

Joe Sandbox version:	42.0.0 Malachite
Analysis ID:	1589572
Start date and time:	2025-01-12 21:05:04 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 10m 24s
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:	Cinquento.arm5.elf
Detection:	MAL
Classification:	mal72.troj.linELF@0/0@2/0
Cookbook Comments:	Analysis time extended to 480s due to sleep detection in submitted sample

Runtime Messages

Command:	/tmp/Cinquento.arm5.elf
PID:	5510
Exit Code:	255
Exit Code Info:
Killed:	False
Standard Output:
Standard Error:	/lib/ld-uClibc.so.0: No such file or directory

Process Tree

system is lnxubuntu20

Cinquento.arm5.elf (PID: 5510, Parent: 5434, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/Cinquento.arm5.elf

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

Initial Sample

Source	Rule	Description	Author	Strings
Cinquento.arm5.elf	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
Cinquento.arm5.elf	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0xda9c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdab0:$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 0xdac4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdad8:$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 0xdaec:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb00:$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 0xdb14:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb28:$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 0xdb3c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb50:$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 0xdb64:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb78:$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 0xdb8c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdba0:$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 0xdbb4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdbc8:$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 0xdbdc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdbf0:$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 0xdc04:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdc18:$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 0xdc2c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
Cinquento.arm5.elf	Linux_Trojan_Gafgyt_ea92cca8	unknown	unknown	0xdff4:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64

Memory Dumps

Source	Rule	Description	Author	Strings
5510.1.00007f6968017000.00007f6968026000.r-x.sdmp	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security
5510.1.00007f6968017000.00007f6968026000.r-x.sdmp	Linux_Trojan_Gafgyt_28a2fe0c	unknown	unknown	0xda9c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdab0:$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 0xdac4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdad8:$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 0xdaec:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb00:$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 0xdb14:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb28:$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 0xdb3c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb50:$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 0xdb64:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdb78:$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 0xdb8c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdba0:$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 0xdbb4:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdbc8:$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 0xdbdc:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdbf0:$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 0xdc04:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F 0xdc18:$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 0xdc2c:$a: 2F 78 33 38 2F 78 46 4A 2F 78 39 33 2F 78 49 44 2F 78 39 41 2F 78 33 38 2F 78 46 4A 2F
5510.1.00007f6968017000.00007f6968026000.r-x.sdmp	Linux_Trojan_Gafgyt_ea92cca8	unknown	unknown	0xdff4:$a: 53 65 6C 66 20 52 65 70 20 46 75 63 6B 69 6E 67 20 4E 65 54 69 53 20 61 6E 64

Suricata Signatures

⊘No Suricata rule has matched

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Antivirus / Scanner detection for submitted sample

Source: Cinquento.arm5.elf

Avira: detected

Multi AV Scanner detection for submitted file

Source: Cinquento.arm5.elf	Virustotal: Detection: 60%			Perma Link
Source: Cinquento.arm5.elf	ReversingLabs: Detection: 73%

Source: global traffic

DNS traffic detected: DNS query: daisy.ubuntu.com

System Summary

Malicious sample detected (through community Yara rule)

Source: Cinquento.arm5.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: Cinquento.arm5.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown
Source: 5510.1.00007f6968017000.00007f6968026000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_28a2fe0c Author: unknown
Source: 5510.1.00007f6968017000.00007f6968026000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_ea92cca8 Author: unknown

Source: ELF static info symbol of initial sample

.symtab present: no

Source: Cinquento.arm5.elf, type: SAMPLE	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: Cinquento.arm5.elf, type: SAMPLE	Matched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16
Source: 5510.1.00007f6968017000.00007f6968026000.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: 5510.1.00007f6968017000.00007f6968026000.r-x.sdmp, type: MEMORY	Matched rule: Linux_Trojan_Gafgyt_ea92cca8 os = linux, severity = x86, creation_date = 2021-01-12, scan_context = file, memory, license = Elastic License v2, threat_name = Linux.Trojan.Gafgyt, fingerprint = aa4aee9f3d6bedd8234eaf8778895a0f5d71c42b21f2a428f01f121e85704e8e, id = ea92cca8-bba7-4a1c-9b88-a2d051ad0021, last_modified = 2021-09-16

Source: classification engine

Classification label: mal72.troj.linELF@0/0@2/0

Source: /tmp/Cinquento.arm5.elf (PID: 5510)

Queries kernel information via 'uname':

Jump to behavior

Source: Cinquento.arm5.elf, 5510.1.00007ffc62d0a000.00007ffc62d2b000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-arm/tmp/Cinquento.arm5.elfSUDO_USER=saturninoPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/binDISPLAY=:1.0XAUTHORITY=/run/user/1000/gdm/XauthoritySUDO_UID=1000TERM=xterm-256colorCOLORTERM=truecolorLOGNAME=rootUSER=rootLANG=en_US.UTF-8SUDO_COMMAND=/bin/bashHOME=/rootMAIL=/var/mail/rootSUDO_GID=1000SHELL=/bin/bash/tmp/Cinquento.arm5.elf
Source: Cinquento.arm5.elf, 5510.1.00005581c5065000.00005581c5193000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/arm
Source: Cinquento.arm5.elf, 5510.1.00007ffc62d0a000.00007ffc62d2b000.rw-.sdmp	Binary or memory string: qemu: %s: %s
Source: Cinquento.arm5.elf, 5510.1.00007ffc62d0a000.00007ffc62d2b000.rw-.sdmp	Binary or memory string: leqemu: %s: %s
Source: Cinquento.arm5.elf, 5510.1.00005581c5065000.00005581c5193000.rw-.sdmp	Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: Cinquento.arm5.elf, 5510.1.00005581c5065000.00005581c5193000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: Cinquento.arm5.elf, 5510.1.00007ffc62d0a000.00007ffc62d2b000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: Cinquento.arm5.elf, 5510.1.00005581c5065000.00005581c5193000.rw-.sdmp	Binary or memory string: rg.qemu.gdb.arm.sys.regs">

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match	File source: Cinquento.arm5.elf, type: SAMPLE
Source: Yara match	File source: 5510.1.00007f6968017000.00007f6968026000.r-x.sdmp, type: MEMORY

Remote Access Functionality

Yara detected Mirai

Source: Yara match	File source: Cinquento.arm5.elf, type: SAMPLE
Source: Yara match	File source: 5510.1.00007f6968017000.00007f6968026000.r-x.sdmp, type: MEMORY

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	Direct Volume Access	OS Credential Dumping	11 Security Software Discovery	Remote Services	Data from Local System	1 Non-Application Layer Protocol	Exfiltration Over Other Network Medium	Abuse Accessibility Features
Credentials	Domains	Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	Rootkit	LSASS Memory	Application Window Discovery	Remote Desktop Protocol	Data from Removable Media	1 Application Layer Protocol	Exfiltration Over Bluetooth	Network Denial of Service

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
Cinquento.arm5.elf	60%	Virustotal		Browse
Cinquento.arm5.elf	74%	ReversingLabs	Linux.Trojan.Mirai
Cinquento.arm5.elf	100%	Avira	EXP/ELF.Mirai.Bootnet.oc

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

Name	IP	Active	Malicious	Antivirus Detection	Reputation
daisy.ubuntu.com	162.213.35.25	true	false		high

World Map of Contacted IPs

⊘No contacted IP infos

Joe Sandbox View / Context

IPs

⊘No context

Domains

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
daisy.ubuntu.com	Cinquento.x86.elf	Get hash	malicious	Mirai	Browse	162.213.35.24
	Cinquento.arm6.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	Cinquento.sh4.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	Cinquento.m68k.elf	Get hash	malicious	Mirai	Browse	162.213.35.24
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	Cinquento.ppc.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	Cinquento.arm7.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	Cinquento.spc.elf	Get hash	malicious	Mirai	Browse	162.213.35.24
	Cinquento.mips.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	ppc.elf	Get hash	malicious	Mirai	Browse	162.213.35.24

ASNs

⊘No context

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, ARM, version 1 (ARM), dynamically linked, interpreter /lib/ld-uClibc.so.0, stripped
Entropy (8bit):	6.069461785443324
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	Cinquento.arm5.elf
File size:	61'680 bytes
MD5:	f1b282409af3a56738b680fa805b2e6e
SHA1:	baa93cc7980adb93c8379686cd13cc0c28fc95ae
SHA256:	cb2706d62de598be16fd338017cd9996848cbc78f0aee981aa00bb0fd8a1680e
SHA512:	3fcdce1c5d5994b4aea1a4297d4936799df99a49ff545a8a269c7b9152db4f40a56f3f398306a08cc75fa96d751b04c78467011f2c2ef504bff70dcfbb16ea2b
SSDEEP:	1536:NnrJFhYV1hDjS5xXNlGFo3M51BWvhWe5c/y:NnrHOQxMTBOr5R
TLSH:	AE53F792B842663AC2D1577BEDAF548E3314A7D8D1DA3313C9240BA47BC684F1C97F86
File Content Preview:	.ELF...a..........(.........4... .......4. ...(.........4...4...4.......................................................................................................@...........................................Q.td............................/lib/ld-uCl

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	ARM
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	ARM - ABI
ABI Version:	0
Entry Point Address:	0x8eec
Flags:	0x2
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	6
Section Header Offset:	60960
Section Header Size:	40
Number of Section Headers:	18
Header String Table Index:	17

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Link	Info	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0	0	0
.interp	PROGBITS	0x80f4	0xf4	0x14	0x0	0x2	A	0	0	1
.hash	HASH	0x8108	0x108	0x230	0x4	0x2	A	3	0	4
.dynsym	DYNSYM	0x8338	0x338	0x470	0x10	0x2	A	4	1	4
.dynstr	STRTAB	0x87a8	0x7a8	0x239	0x0	0x2	A	0	0	1
.rel.plt	REL	0x89e4	0x9e4	0x198	0x8	0x2	A	3	7	4
.init	PROGBITS	0x8b7c	0xb7c	0x18	0x0	0x6	AX	0	0	4
.plt	PROGBITS	0x8b94	0xb94	0x278	0x4	0x6	AX	0	0	4
.text	PROGBITS	0x8e0c	0xe0c	0xcc7c	0x0	0x6	AX	0	0	4
.fini	PROGBITS	0x15a88	0xda88	0x14	0x0	0x6	AX	0	0	4
.rodata	PROGBITS	0x15a9c	0xda9c	0x1168	0x0	0x2	A	0	0	4
.ctors	PROGBITS	0x1ec08	0xec08	0x8	0x0	0x3	WA	0	0	4
.dtors	PROGBITS	0x1ec10	0xec10	0x8	0x0	0x3	WA	0	0	4
.dynamic	DYNAMIC	0x1ec1c	0xec1c	0x98	0x8	0x3	WA	4	0	4
.got	PROGBITS	0x1ecb4	0xecb4	0xd8	0x4	0x3	WA	0	0	4
.data	PROGBITS	0x1ed8c	0xed8c	0x20	0x0	0x3	WA	0	0	4
.bss	NOBITS	0x1edac	0xedac	0x19c	0x0	0x3	WA	0	0	4
.shstrtab	STRTAB	0x0	0xedac	0x73	0x0	0x0		0	0	1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Prog Interpreter	Section Mappings
PHDR	0x34	0x8034	0x8034	0xc0	0xc0	2.2426	0x5	R E	0x4
INTERP	0xf4	0x80f4	0x80f4	0x14	0x14	3.6842	0x4	R	0x1	/lib/ld-uClibc.so.0	.interp
LOAD	0x0	0x8000	0x8000	0xec04	0xec04	6.0972	0x5	R E	0x8000		.interp .hash .dynsym .dynstr .rel.plt .init .plt .text .fini .rodata
LOAD	0xec08	0x1ec08	0x1ec08	0x1a4	0x340	2.2757	0x6	RW	0x8000		.ctors .dtors .dynamic .got .data .bss
DYNAMIC	0xec1c	0x1ec1c	0x1ec1c	0x98	0x98	1.9247	0x6	RW	0x4		.dynamic
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Dynamic Tags

Type	Meta	Value	Tag
DT_NEEDED	sharedlib	libc.so.0	0x1
DT_INIT	value	0x8b7c	0xc
DT_FINI	value	0x15a88	0xd
DT_HASH	value	0x8108	0x4
DT_STRTAB	value	0x87a8	0x5
DT_SYMTAB	value	0x8338	0x6
DT_STRSZ	bytes	569	0xa
DT_SYMENT	bytes	16	0xb
DT_DEBUG	value	0x0	0x15
DT_PLTGOT	value	0x1ecb4	0x3
DT_PLTRELSZ	bytes	408	0x2
DT_PLTREL	pltrel	DT_REL	0x14
DT_JMPREL	value	0x89e4	0x17
DT_NULL	value	0x0	0x0

Symbols

Name	Section Name	Value	Size	Symbol Type	Symbol Bind	Symbol Visibility	Ndx
	.dynsym	0x0	0	NOTYPE	<unknown>	DEFAULT	SHN_UNDEF
__aeabi_idiv0	.dynsym	0x15a48	4	FUNC	<unknown>	DEFAULT	8
__aeabi_ldiv0	.dynsym	0x15a48	4	FUNC	<unknown>	DEFAULT	8
__aeabi_uidiv	.dynsym	0x15788	0	FUNC	<unknown>	DEFAULT	8
__aeabi_uidivmod	.dynsym	0x15880	24	FUNC	<unknown>	DEFAULT	8
__bss_end__	.dynsym	0x1ef48	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__bss_start	.dynsym	0x1edac	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__bss_start__	.dynsym	0x1edac	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__data_start	.dynsym	0x1ed8c	0	NOTYPE	<unknown>	DEFAULT	17
__div0	.dynsym	0x15a48	4	FUNC	<unknown>	DEFAULT	8
__end__	.dynsym	0x1ef48	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__errno_location	.dynsym	0x8d7c	32	FUNC	<unknown>	DEFAULT	SHN_UNDEF
__modsi3	.dynsym	0x15964	228	FUNC	<unknown>	DEFAULT	8
__uClibc_main	.dynsym	0x8d34	488	FUNC	<unknown>	DEFAULT	SHN_UNDEF
__udivsi3	.dynsym	0x15788	248	FUNC	<unknown>	DEFAULT	8
__umodsi3	.dynsym	0x15898	204	FUNC	<unknown>	DEFAULT	8
_bss_end__	.dynsym	0x1ef48	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
_edata	.dynsym	0x1edac	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
_end	.dynsym	0x1ef48	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
_start	.dynsym	0x8eec	80	FUNC	<unknown>	DEFAULT	8
abort	.dynsym	0x8c80	352	FUNC	<unknown>	DEFAULT	SHN_UNDEF
atoi	.dynsym	0x8d94	12	FUNC	<unknown>	DEFAULT	SHN_UNDEF
bind	.dynsym	0x8cb0	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
calloc	.dynsym	0x8c8c	88	FUNC	<unknown>	DEFAULT	SHN_UNDEF
clock	.dynsym	0x8dac	52	FUNC	<unknown>	DEFAULT	SHN_UNDEF
close	.dynsym	0x8ddc	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
closedir	.dynsym	0x8dc4	196	FUNC	<unknown>	DEFAULT	SHN_UNDEF
connect	.dynsym	0x8bcc	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
exit	.dynsym	0x8d88	172	FUNC	<unknown>	DEFAULT	SHN_UNDEF
fcntl	.dynsym	0x8dd0	116	FUNC	<unknown>	DEFAULT	SHN_UNDEF
fork	.dynsym	0x8d28	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
free	.dynsym	0x8de8	288	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getpid	.dynsym	0x8bf0	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getppid	.dynsym	0x8d4c	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getsockname	.dynsym	0x8e00	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getsockopt	.dynsym	0x8d70	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
inet_addr	.dynsym	0x8cbc	36	FUNC	<unknown>	DEFAULT	SHN_UNDEF
ioctl	.dynsym	0x8bb4	80	FUNC	<unknown>	DEFAULT	SHN_UNDEF
kill	.dynsym	0x8ca4	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
listen	.dynsym	0x8d1c	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
malloc	.dynsym	0x8c20	400	FUNC	<unknown>	DEFAULT	SHN_UNDEF
memcpy	.dynsym	0x8c08	4	FUNC	<unknown>	DEFAULT	SHN_UNDEF
memmove	.dynsym	0x8be4	4	FUNC	<unknown>	DEFAULT	SHN_UNDEF
memset	.dynsym	0x8d40	156	FUNC	<unknown>	DEFAULT	SHN_UNDEF
open	.dynsym	0x8da0	92	FUNC	<unknown>	DEFAULT	SHN_UNDEF
opendir	.dynsym	0x8d64	264	FUNC	<unknown>	DEFAULT	SHN_UNDEF
prctl	.dynsym	0x8bfc	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
rand	.dynsym	0x8cd4	4	FUNC	<unknown>	DEFAULT	SHN_UNDEF
read	.dynsym	0x8cec	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
readdir	.dynsym	0x8c5c	224	FUNC	<unknown>	DEFAULT	SHN_UNDEF
readlink	.dynsym	0x8c14	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
realloc	.dynsym	0x8d10	312	FUNC	<unknown>	DEFAULT	SHN_UNDEF
recv	.dynsym	0x8bc0	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
recvfrom	.dynsym	0x8c38	52	FUNC	<unknown>	DEFAULT	SHN_UNDEF
select	.dynsym	0x8c50	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
send	.dynsym	0x8c74	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sendto	.dynsym	0x8d04	52	FUNC	<unknown>	DEFAULT	SHN_UNDEF
setsid	.dynsym	0x8db8	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
setsockopt	.dynsym	0x8cc8	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sigaddset	.dynsym	0x8c68	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sigemptyset	.dynsym	0x8bd8	24	FUNC	<unknown>	DEFAULT	SHN_UNDEF
signal	.dynsym	0x8ce0	200	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sigprocmask	.dynsym	0x8df4	84	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sleep	.dynsym	0x8c2c	420	FUNC	<unknown>	DEFAULT	SHN_UNDEF
socket	.dynsym	0x8c44	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
srand	.dynsym	0x0	148	FUNC	<unknown>	DEFAULT	SHN_UNDEF
strcpy	.dynsym	0x8ba8	28	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sysconf	.dynsym	0x0	944	FUNC	<unknown>	DEFAULT	SHN_UNDEF
time	.dynsym	0x8d58	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
unlink	.dynsym	0x8cf8	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
write	.dynsym	0x8c98	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF

Network Behavior

Network Port Distribution

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Jan 12, 2025 21:08:31.000196934 CET	38197	53	192.168.2.14	8.8.8.8
Jan 12, 2025 21:08:31.000340939 CET	53756	53	192.168.2.14	8.8.8.8
Jan 12, 2025 21:08:31.006625891 CET	53	38197	8.8.8.8	192.168.2.14
Jan 12, 2025 21:08:31.006930113 CET	53	53756	8.8.8.8	192.168.2.14

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Jan 12, 2025 21:08:31.000196934 CET	192.168.2.14	8.8.8.8	0x3c8b	Standard query (0)	daisy.ubuntu.com	A (IP address)	IN (0x0001)	false
Jan 12, 2025 21:08:31.000340939 CET	192.168.2.14	8.8.8.8	0x9a8e	Standard query (0)	daisy.ubuntu.com	28	IN (0x0001)	false

DNS Answers

Timestamp	Source IP	Dest IP	Trans ID	Reply Code	Name	CName	Address	Type	Class	DNS over HTTPS
Jan 12, 2025 21:08:31.006625891 CET	8.8.8.8	192.168.2.14	0x3c8b	No error (0)	daisy.ubuntu.com		162.213.35.25	A (IP address)	IN (0x0001)	false
Jan 12, 2025 21:08:31.006625891 CET	8.8.8.8	192.168.2.14	0x3c8b	No error (0)	daisy.ubuntu.com		162.213.35.24	A (IP address)	IN (0x0001)	false

System Behavior

Analysis Process: Cinquento.arm5.elf PID: 5510, Parent PID: 5434

General

Start time (UTC):	20:05:47
Start date (UTC):	12/01/2025
Path:	/tmp/Cinquento.arm5.elf
Arguments:	/tmp/Cinquento.arm5.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Description:	Adversaries may attempt to get a listing of security software, configurations, defensive tools, and sensors that are installed on a system or in a cloud environment. This may include things such as firewall rules and anti-virus. Adversaries may use the information from Security Software Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	Command: Command Execution, Firewall: Firewall Enumeration, Firewall: Firewall Metadata, Process: OS API Execution, Process: Process Creation
Platforms:	Azure AD, Google Workspace, IaaS, Linux, macOS, Office 365, SaaS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may use an OSI non-application layer protocol for communication between host and C2 server or among infected hosts within a network. The list of possible protocols is extensive.Specific examples include use of network layer protocols, such as the Internet Control Message Protocol (ICMP), transport layer protocols, such as the User Datagram Protocol (UDP), session layer protocols, such as Socket Secure (SOCKS), as well as redirected/tunneled protocols, such as Serial over LAN (SOL).
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content, Network Traffic: Network Traffic Flow
Platforms:	Linux, macOS, Network, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may communicate using OSI application layer protocols to avoid detection/network filtering by blending in with existing traffic. Commands to the remote system, and often the results of those commands, will be embedded within the protocol traffic between the client and server.
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 Cinquento.arm5.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

Initial Sample

Memory Dumps

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Networking

System Summary

Malware Analysis System Evasion

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

World Map of Contacted IPs

Joe Sandbox View / Context

IPs

Domains

ASNs

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

Static ELF Info

ELF header

Sections

Program Segments

Dynamic Tags

Symbols

Network Behavior

Network Port Distribution

UDP Packets

DNS Queries

DNS Answers

System Behavior

Analysis Process: Cinquento.arm5.elf PID: 5510, Parent PID: 5434

General

Chronological Activities

Linux Analysis Report
Cinquento.arm5.elf