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Linux Analysis Report
na.elf

Overview

General Information

Sample name:	na.elf
Analysis ID:	1527359
MD5:	1bf19b07233840589672b5ef816d1bb7
SHA1:	2a11ea053903c77a03d2715de466dc6b6f7df9e6
SHA256:	a73c558c3b1ce030de08b8449a685f41a419fdeffc2f29b9a8e972e762996e08
Tags:	elfMiraiuser-abuse_ch
Infos:

Detection

Score:	60
Range:	0 - 100
Whitelisted:	false

Signatures

Multi AV Scanner detection for submitted file

Connects to many ports of the same IP (likely port scanning)

Deletes system log files

Sample tries to access files in /etc/config/ (typical for OpenWRT routers)

Creates hidden files and/or directories

Detected TCP or UDP traffic on non-standard ports

Found strings indicative of a multi-platform dropper

Sample has stripped symbol table

Sample listens on a socket

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

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1527359
Start date and time:	2024-10-06 22:48:57 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 5m 20s
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:	na.elf
Detection:	MAL
Classification:	mal60.troj.evad.linELF@0/0@2/0

Runtime Messages

Command:	/tmp/na.elf
PID:	5484
Exit Code:	0
Exit Code Info:
Killed:	False
Standard Output:	thIs wEek on xLaB lEarNs nOthinG xd
Standard Error:

Process Tree

system is lnxubuntu20

na.elf (PID: 5484, Parent: 5402, MD5: 0d6f61f82cf2f781c6eb0661071d42d9) Arguments: /tmp/na.elf

na.elf New Fork (PID: 5486, Parent: 5484)

na.elf New Fork (PID: 5488, Parent: 5484)

na.elf New Fork (PID: 5490, Parent: 5484)

cleanup

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: na.elf

ReversingLabs: Detection: 21%

Source: na.elf

String: '/proc//exewgetinitcurltftp/fdsocketproc/usr/bin/usr/sbin/system/mnt/mtd/app/org/z/zbin/home/app/dvr/bin/duksan/userfs/mnt/app/usr/etc/dvr/main/usr/local/var/bin/tmp/sqfs/z/bin/dvr/mnt/mtd/zconf/gm/bin/home/process/var/challenge/usr/lib/lib/systemd//usr/lib/systemd/system/system/bin//mnt//home/helper/home/davinci/usr/libexec//sbin//bin/

Networking

Connects to many ports of the same IP (likely port scanning)

Source: global traffic

TCP traffic: 154.90.62.142 ports 3,4,6,7,9,49376

Source: global traffic

TCP traffic: 192.168.2.13:56334 -> 154.90.62.142:49376

Source: /tmp/na.elf (PID: 5484)

Socket: 127.0.0.1:1234

Jump to behavior

Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	TCP traffic detected without corresponding DNS query: 154.90.62.142
Source: unknown	UDP traffic detected without corresponding DNS query: 185.84.81.194

Source: global traffic

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

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal60.troj.evad.linELF@0/0@2/0

Data Obfuscation

Sample tries to access files in /etc/config/ (typical for OpenWRT routers)

Source: /tmp/na.elf (PID: 5488)

File: /etc/config

Jump to behavior

Source: /tmp/na.elf (PID: 5488)	Directory: /root/.cache	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /root/.ssh	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /root/.config	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /root/.local	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /tmp/.X11-unix	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /tmp/.Test-unix	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /tmp/.font-unix	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /tmp/.ICE-unix	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /tmp/.XIM-unix	Jump to behavior
Source: /tmp/na.elf (PID: 5488)	Directory: /etc/.java	Jump to behavior

Hooking and other Techniques for Hiding and Protection

Deletes system log files

Source: /tmp/na.elf (PID: 5488)

Log files deleted: /var/log/kern.log

Jump to behavior

Source: /tmp/na.elf (PID: 5484)

Queries kernel information via 'uname':

Jump to behavior

Source: na.elf, 5484.1.00007ffe05899000.00007ffe058ba000.rw-.sdmp	Binary or memory string: (Tx86_64/usr/bin/qemu-mipsel/tmp/na.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/na.elf
Source: na.elf, 5484.1.000055d535f8d000.000055d536035000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/mipsel
Source: na.elf, 5484.1.000055d535f8d000.000055d536035000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/mipsel
Source: na.elf, 5484.1.00007ffe05899000.00007ffe058ba000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-mipsel

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	1 Scripting	Valid Accounts	Windows Management Instrumentation	1 Scripting	Path Interception	1 Hidden Files and Directories	OS Credential Dumping	11 Security Software Discovery	Remote Services	Data from Local System	1 Non-Standard Port	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	1 Indicator Removal	LSASS Memory	Application Window Discovery	Remote Desktop Protocol	Data from Removable Media	1 Non-Application Layer Protocol	Exfiltration Over Bluetooth	Network Denial of Service
Email Addresses	DNS Server	Domain Accounts	At	Logon Script (Windows)	Logon Script (Windows)	Obfuscated Files or Information	Security Account Manager	Query Registry	SMB/Windows Admin Shares	Data from Network Shared Drive	1 Application Layer Protocol	Automated Exfiltration	Data Encrypted for Impact

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
na.elf	21%	ReversingLabs	Linux.Backdoor.Mirai

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		unknown

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
154.90.62.142	unknown	Seychelles		40065	CNSERVERSUS	true
185.84.81.194	unknown	Germany		8648	KAMP-DE	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link
154.90.62.142	na.elf	Get hash	malicious	Unknown	Browse
185.84.81.194	na.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.Linux.Mirai.5074.23844.14740.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.Linux.Mirai.5157.925.21651.elf	Get hash	malicious	Unknown	Browse
	mrbbx2evMH.elf	Get hash	malicious	Unknown	Browse
	O8s0ONHbkg.elf	Get hash	malicious	Unknown	Browse
	0aS89usCTf.elf	Get hash	malicious	Unknown	Browse
	G9J8ic1utC.elf	Get hash	malicious	Unknown	Browse

Domains

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
daisy.ubuntu.com	na.elf	Get hash	malicious	Mirai	Browse	162.213.35.24
	na.elf	Get hash	malicious	Unknown	Browse	162.213.35.24
	na.elf	Get hash	malicious	Mirai	Browse	162.213.35.25
	na.elf	Get hash	malicious	Moobot	Browse	162.213.35.24
	na.elf	Get hash	malicious	Mirai	Browse	162.213.35.24
	na.elf	Get hash	malicious	Moobot	Browse	162.213.35.24
	na.elf	Get hash	malicious	Unknown	Browse	162.213.35.25
	na.elf	Get hash	malicious	Unknown	Browse	162.213.35.24
	na.elf	Get hash	malicious	Mirai, Okiru	Browse	162.213.35.25
	na.elf	Get hash	malicious	Mirai, Okiru	Browse	162.213.35.24

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
KAMP-DE	na.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	SecuriteInfo.com.Linux.Mirai.5074.23844.14740.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	sora.ppc.elf	Get hash	malicious	Unknown	Browse	212.110.122.35
	mirai.mips.elf	Get hash	malicious	Mirai	Browse	213.146.107.223
	GOoY5QBqvC.elf	Get hash	malicious	Mirai, Moobot	Browse	213.146.107.207
	YOkLx2A3A7.elf	Get hash	malicious	Mirai, Moobot	Browse	213.146.107.212
	SecuriteInfo.com.Linux.Mirai.5157.925.21651.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	mrbbx2evMH.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	O8s0ONHbkg.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	0aS89usCTf.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
CNSERVERSUS	na.elf	Get hash	malicious	Unknown	Browse	154.90.62.142
	na.elf	Get hash	malicious	Mirai	Browse	156.251.245.87
	https://bbvip666bet.com/	Get hash	malicious	Unknown	Browse	172.247.14.43
	rpedido-002297.exe	Get hash	malicious	FormBook, GuLoader	Browse	156.227.17.86
	che.elf	Get hash	malicious	Mirai, Moobot	Browse	154.90.62.152
	nan.elf	Get hash	malicious	Mirai, Moobot	Browse	154.90.62.152
	7.elf	Get hash	malicious	Mirai, Moobot	Browse	154.90.62.152
	DHL_ 46773482.exe	Get hash	malicious	FormBook	Browse	156.251.233.85
	https://bb33382.com:8365/?register=1&agent=4374577496	Get hash	malicious	Unknown	Browse	154.202.53.85
	http://bet89533333.com/	Get hash	malicious	Unknown	Browse	23.225.2.92

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, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
Entropy (8bit):	5.272862513257566
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	na.elf
File size:	72'384 bytes
MD5:	1bf19b07233840589672b5ef816d1bb7
SHA1:	2a11ea053903c77a03d2715de466dc6b6f7df9e6
SHA256:	a73c558c3b1ce030de08b8449a685f41a419fdeffc2f29b9a8e972e762996e08
SHA512:	1b1768760fb8a451e4ce5d0c65673ce6386f71a8660d8ebaada4400f203d6788448917430228237c84eae840fcac121050069a0dea50fdd64c4b821b1b623461
SSDEEP:	1536:KCDG5ByIKgDtEFX3vNYxAtEFQq9ubZjox5P:KC63yIKgDqFX3VGub
TLSH:	A763940ABFA40EB7EC2BDD3705A91B0534CCA51B21A93F797534D92CFA5A10B49E3C64
File Content Preview:	.ELF....................`.@.4...........4. ...(...............@...@...........................E...E.`...hK..........Q.td...............................<...'!......'.......................<...'!... .........9'.. ........................<...'!........... .9

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	MIPS R3000
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x400260
Flags:	0x1007
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	71864
Section Header Size:	40
Number of Section Headers:	13
Header String Table Index:	12

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x400094	0x94	0x8c	0x0	0x6	AX	4
.text	PROGBITS	0x400120	0x120	0xfd70	0x0	0x6	AX	16
.fini	PROGBITS	0x40fe90	0xfe90	0x5c	0x0	0x6	AX	4
.rodata	PROGBITS	0x40fef0	0xfef0	0x9b0	0x0	0x2	A	16
.ctors	PROGBITS	0x451000	0x11000	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x451008	0x11008	0x8	0x0	0x3	WA	4
.data.rel.ro	PROGBITS	0x451014	0x11014	0x5c	0x0	0x3	WA	4
.data	PROGBITS	0x451070	0x11070	0x340	0x0	0x3	WA	16
.got	PROGBITS	0x4513b0	0x113b0	0x4b0	0x4	0x10000003	WAp	16
.sbss	NOBITS	0x451860	0x11860	0x3c	0x0	0x10000003	WAp	4
.bss	NOBITS	0x4518a0	0x11860	0x42c8	0x0	0x3	WA	16
.shstrtab	STRTAB	0x0	0x11860	0x56	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x400000	0x400000	0x108a0	0x108a0	5.3838	0x5	R E	0x10000	.init .text .fini .rodata
LOAD	0x11000	0x451000	0x451000	0x860	0x4b68	4.0710	0x6	RW	0x10000	.ctors .dtors .data.rel.ro .data .got .sbss .bss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x7	RWE	0x4

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Oct 6, 2024 22:50:01.904206991 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:50:01.909109116 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:50:01.909173012 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:50:01.909580946 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:50:01.914515018 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:50:16.924771070 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:50:16.929562092 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:50:28.292397976 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:50:28.292728901 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:50:31.646646976 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:50:31.646832943 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:51:46.359716892 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:51:46.360383034 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:52:04.713866949 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:52:04.714001894 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:52:19.728440046 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:52:19.733359098 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:52:44.901242018 CEST	34796	53	192.168.2.13	8.8.8.8
Oct 6, 2024 22:52:44.906475067 CEST	53	34796	8.8.8.8	192.168.2.13
Oct 6, 2024 22:52:44.906651020 CEST	34796	53	192.168.2.13	8.8.8.8
Oct 6, 2024 22:52:44.906667948 CEST	34796	53	192.168.2.13	8.8.8.8
Oct 6, 2024 22:52:44.906694889 CEST	34796	53	192.168.2.13	8.8.8.8
Oct 6, 2024 22:52:44.911644936 CEST	53	34796	8.8.8.8	192.168.2.13
Oct 6, 2024 22:52:44.911676884 CEST	53	34796	8.8.8.8	192.168.2.13
Oct 6, 2024 22:52:45.350377083 CEST	53	34796	8.8.8.8	192.168.2.13
Oct 6, 2024 22:52:45.353420973 CEST	34796	53	192.168.2.13	8.8.8.8
Oct 6, 2024 22:52:47.350357056 CEST	53	34796	8.8.8.8	192.168.2.13
Oct 6, 2024 22:52:47.350481987 CEST	34796	53	192.168.2.13	8.8.8.8
Oct 6, 2024 22:52:47.356595993 CEST	53	34796	8.8.8.8	192.168.2.13
Oct 6, 2024 22:53:26.940793991 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:53:26.940898895 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:53:26.941314936 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:53:26.941474915 CEST	56334	49376	192.168.2.13	154.90.62.142
Oct 6, 2024 22:53:26.941514969 CEST	49376	56334	154.90.62.142	192.168.2.13
Oct 6, 2024 22:53:26.941574097 CEST	56334	49376	192.168.2.13	154.90.62.142

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Oct 6, 2024 22:50:01.377652884 CEST	39907	5353	192.168.2.13	185.84.81.194
Oct 6, 2024 22:50:01.902219057 CEST	5353	39907	185.84.81.194	192.168.2.13

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Oct 6, 2024 22:52:44.906667948 CEST	192.168.2.13	8.8.8.8	0x1f78	Standard query (0)	daisy.ubuntu.com	A (IP address)	IN (0x0001)	false
Oct 6, 2024 22:52:44.906694889 CEST	192.168.2.13	8.8.8.8	0xc685	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
Oct 6, 2024 22:52:45.350377083 CEST	8.8.8.8	192.168.2.13	0x1f78	No error (0)	daisy.ubuntu.com		162.213.35.25	A (IP address)	IN (0x0001)	false
Oct 6, 2024 22:52:45.350377083 CEST	8.8.8.8	192.168.2.13	0x1f78	No error (0)	daisy.ubuntu.com		162.213.35.24	A (IP address)	IN (0x0001)	false

System Behavior

Analysis Process: na.elf PID: 5484, Parent PID: 5402

General

Start time (UTC):	20:49:59
Start date (UTC):	06/10/2024
Path:	/tmp/na.elf
Arguments:	/tmp/na.elf
File size:	5773336 bytes
MD5 hash:	0d6f61f82cf2f781c6eb0661071d42d9

Chronological Activities

Analysis Process: na.elf PID: 5486, Parent PID: 5484

General

Start time (UTC):	20:50:00
Start date (UTC):	06/10/2024
Path:	/tmp/na.elf
Arguments:	-
File size:	5773336 bytes
MD5 hash:	0d6f61f82cf2f781c6eb0661071d42d9

Chronological Activities

Analysis Process: na.elf PID: 5488, Parent PID: 5484

General

Start time (UTC):	20:50:00
Start date (UTC):	06/10/2024
Path:	/tmp/na.elf
Arguments:	-
File size:	5773336 bytes
MD5 hash:	0d6f61f82cf2f781c6eb0661071d42d9

Chronological Activities

Analysis Process: na.elf PID: 5490, Parent PID: 5484

General

Start time (UTC):	20:50:00
Start date (UTC):	06/10/2024
Path:	/tmp/na.elf
Arguments:	-
File size:	5773336 bytes
MD5 hash:	0d6f61f82cf2f781c6eb0661071d42d9

Description:	This technique has been deprecated. Please use Command and Scripting Interpreter where appropriate.
Tactics:	Defense Evasion, Execution
Data Sources:
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may set files and directories to be hidden to evade detection mechanisms. To prevent normal users from accidentally changing special files on a system, most operating systems have the concept of a ‘hidden’ file. These files don’t show up when a user browses the file system with a GUI or when using normal commands on the command line. Users must explicitly ask to show the hidden files either via a series of Graphical User Interface (GUI) prompts or with command line switches ( `dir /a` for Windows and `ls –a` for Linux and macOS).
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, File: File Creation, File: File Metadata, Process: Process Creation
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may delete or modify artifacts generated within systems to remove evidence of their presence or hinder defenses. Various artifacts may be created by an adversary or something that can be attributed to an adversary’s actions. Typically these artifacts are used as defensive indicators related to monitored events, such as strings from downloaded files, logs that are generated from user actions, and other data analyzed by defenders. Location, format, and type of artifact (such as command or login history) are often specific to each platform.
Tactics:	Defense Evasion
Data Sources:	Application Log: Application Log Content, Command: Command Execution, File: File Deletion, File: File Metadata, File: File Modification, Firewall: Firewall Rule Modification, Network Traffic: Network Traffic Content, Process: OS API Execution, Process: Process Creation, Scheduled Job: Scheduled Job Modification, User Account: User Account Authentication, User Account: User Account Deletion, Windows Registry: Windows Registry Key Deletion, Windows Registry: Windows Registry Key Modification
Platforms:	Containers, Google Workspace, Linux, macOS, Network, Office 365, Windows
Url:	Open detailed description by Mitre

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 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

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 na.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Warnings

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Spreading

Networking

System Summary

Data Obfuscation

Persistence and Installation Behavior

Hooking and other Techniques for Hiding and Protection

Malware Analysis System Evasion

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

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

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

UDP Packets

DNS Queries

DNS Answers

System Behavior

Analysis Process: na.elf PID: 5484, Parent PID: 5402

General

Chronological Activities

Analysis Process: na.elf PID: 5486, Parent PID: 5484

General

Chronological Activities

Analysis Process: na.elf PID: 5488, Parent PID: 5484

General

Chronological Activities

Analysis Process: na.elf PID: 5490, Parent PID: 5484

General

Chronological Activities

Linux Analysis Report
na.elf