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Linux Analysis Report
na.elf

Overview

General Information

Sample name:	na.elf
Analysis ID:	1532514
MD5:	ec83f911eebf2d2118bb19520d15da62
SHA1:	534bd3c76a8167a14ed755972c90627c1b0b3aca
SHA256:	586e95902ff3a186171545993624bd9f45ce3762297f03c2a0d5cbf56c92512d
Tags:	elfuser-abuse_ch
Infos:

Detection

Score:	56
Range:	0 - 100
Whitelisted:	false

Signatures

Antivirus / Scanner detection for submitted sample

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

Sends malformed DNS queries

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

Tries to connect to HTTP servers, but all servers are down (expired dropper behavior)

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

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1532514
Start date and time:	2024-10-13 15:23:45 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 5m 26s
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:	mal56.troj.linELF@0/0@1/0

Runtime Messages

Command:	/tmp/na.elf
PID:	6264
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: 6264, Parent: 6185, MD5: 0083f1f0e77be34ad27f849842bbb00c) Arguments: /tmp/na.elf

na.elf New Fork (PID: 6266, Parent: 6264)

na.elf New Fork (PID: 6268, Parent: 6264)

cleanup

Yara Signatures

⊘No yara matches

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: na.elf

Avira: detected

Source: na.elf	String: ash\|login\|wget\|curl\|tftp\|ntpdate
Source: na.elf	String: /proc//exe\|ash\|login\|wget\|curl\|tftp\|ntpdate/fdsocket\|proc/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: 38.60.249.66 ports 54123,1,2,3,4,5

Sends malformed DNS queries

Source: global traffic

DNS traffic detected: malformed DNS query: nineteen.libre. [malformed]

Source: global traffic

TCP traffic: 192.168.2.23:48544 -> 38.60.249.66:54123

Source: /tmp/na.elf (PID: 6264)

Socket: 127.0.0.1:1234

Jump to behavior

Source: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443
Source: global traffic	TCP traffic: 192.168.2.23:42516 -> 109.202.202.202:80
Source: global traffic	TCP traffic: 192.168.2.23:42836 -> 91.189.91.43:443

Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	TCP traffic detected without corresponding DNS query: 38.60.249.66
Source: unknown	UDP traffic detected without corresponding DNS query: 63.231.92.27
Source: unknown	UDP traffic detected without corresponding DNS query: 185.84.81.194
Source: unknown	UDP traffic detected without corresponding DNS query: 116.203.104.203
Source: unknown	UDP traffic detected without corresponding DNS query: 161.97.219.84
Source: unknown	UDP traffic detected without corresponding DNS query: 185.84.81.194

Source: global traffic

DNS traffic detected: DNS query: nineteen.libre. [malformed]

Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal56.troj.linELF@0/0@1/0

Source: /tmp/na.elf (PID: 6264)

Queries kernel information via 'uname':

Jump to behavior

Source: na.elf, 6264.1.00007ffdcfd0f000.00007ffdcfd30000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-mips/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, 6264.1.000056131ca3e000.000056131cae6000.rw-.sdmp	Binary or memory string: V!/etc/qemu-binfmt/mips
Source: na.elf, 6264.1.000056131ca3e000.000056131cae6000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/mips
Source: na.elf, 6264.1.00007ffdcfd0f000.00007ffdcfd30000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-mips

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	Direct Volume Access	OS Credential Dumping	11 Security Software Discovery	Remote Services	Data from Local System	1 Encrypted Channel	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 Non-Standard Port	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 Non-Application Layer Protocol	Automated Exfiltration	Data Encrypted for Impact
Employee Names	Virtual Private Server	Local Accounts	Cron	Login Hook	Login Hook	Binary Padding	NTDS	System Network Configuration Discovery	Distributed Component Object Model	Input Capture	2 Application Layer Protocol	Traffic Duplication	Data Destruction

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	100%	Avira	EXP/ELF.Agent.J.8

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
nineteen.libre. [malformed]	unknown	unknown	true		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	ASN	ASN Name	Malicious
63.231.92.27	unknown	United States	209	CENTURYLINK-US-LEGACY-QWESTUS	false
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
185.84.81.194	unknown	Germany	8648	KAMP-DE	false
91.189.91.43	unknown	United Kingdom	41231	CANONICAL-ASGB	false
91.189.91.42	unknown	United Kingdom	41231	CANONICAL-ASGB	false
161.97.219.84	unknown	United States	393552	COL-LPCUS	false
38.60.249.66	unknown	United States	174	COGENT-174US	true

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
63.231.92.27	na.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.Linux.Mirai.5660.4284.15760.elf	Get hash	malicious	Unknown	Browse
	yA6XZfl1zU.elf	Get hash	malicious	Unknown	Browse
	G9J8ic1utC.elf	Get hash	malicious	Unknown	Browse
109.202.202.202	kpLwzBouH4.elf	Get hash	malicious	Unknown	Browse	ch.archive.ubuntu.com/ubuntu/pool/main/f/firefox/firefox_92.0%2bbuild3-0ubuntu0.20.04.1_amd64.deb
185.84.81.194	MO52No4WnT.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Unknown	Browse
	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
91.189.91.43	JUh7kxiILb.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.ELF.Mirai-ASX.1307.11743.elf	Get hash	malicious	Unknown	Browse
	SecuriteInfo.com.ELF.Mirai-ASX.31818.3935.elf	Get hash	malicious	Unknown	Browse
	Rj2IVGj6JJ.elf	Get hash	malicious	Mirai	Browse
	2Q585VbsPV.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
KAMP-DE	MO52No4WnT.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	na.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	na.elf	Get hash	malicious	Mirai	Browse	185.105.253.184
	na.elf	Get hash	malicious	Unknown	Browse	185.84.81.194
	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
CANONICAL-ASGB	JUh7kxiILb.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	SecuriteInfo.com.ELF.Mirai-ASX.1307.11743.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	SecuriteInfo.com.ELF.Mirai-ASX.31818.3935.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	Rj2IVGj6JJ.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	exCmhB0ruY.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
CENTURYLINK-US-LEGACY-QWESTUS	SecuriteInfo.com.Linux.Siggen.9999.5011.20467.elf	Get hash	malicious	Mirai	Browse	71.217.254.246
	o5DbX8v3ZW.elf	Get hash	malicious	Mirai	Browse	65.148.246.154
	m0mg1WH7Su.elf	Get hash	malicious	Mirai	Browse	184.97.138.105
	QmMz1SXUn8.elf	Get hash	malicious	Mirai	Browse	199.241.229.61
	PeleHfdpzX.elf	Get hash	malicious	Mirai	Browse	63.155.149.213
	na.elf	Get hash	malicious	Unknown	Browse	68.177.52.180
	na.elf	Get hash	malicious	Unknown	Browse	184.103.28.42
	na.elf	Get hash	malicious	Mirai	Browse	75.161.159.200
	https://lessonfulladvocating.z19.web.core.windows.net/	Get hash	malicious	Anonymous Proxy	Browse	162.19.138.117
	http://nmacouai-80bf.edohlriapdnoap.workers.dev	Get hash	malicious	HTMLPhisher	Browse	162.19.58.157
INIT7CH	JUh7kxiILb.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	na.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	na.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	na.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	na.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	na.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	SecuriteInfo.com.ELF.Mirai-ASX.1307.11743.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	SecuriteInfo.com.ELF.Mirai-ASX.31818.3935.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	Rj2IVGj6JJ.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	2Q585VbsPV.elf	Get hash	malicious	Mirai	Browse	109.202.202.202

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 MSB executable, MIPS, MIPS-I version 1 (SYSV), statically linked, stripped
Entropy (8bit):	5.337538862906229
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	na.elf
File size:	73'256 bytes
MD5:	ec83f911eebf2d2118bb19520d15da62
SHA1:	534bd3c76a8167a14ed755972c90627c1b0b3aca
SHA256:	586e95902ff3a186171545993624bd9f45ce3762297f03c2a0d5cbf56c92512d
SHA512:	a9ff542044c9f34c48155497a0bfd0c308f1cb200afb2fd08f980b9d002dd6f94840d2c65c5d681cbb69c5e3b172e7428ef216aa1f02385449502962ed642669
SSDEEP:	768:yvSzPA7eNo1Sd7mSbX7VNwz4qsrVybz9SBtJAAcpyP0Z8lkT6Q8Ke/mfolSX0CZT:yvSzP3NFZX7VsKk39sDAAcv9L3yqP0fg
TLSH:	E763A74E2E218FADF36DC73587B78E26975823D622E1D680D15CD5101E6038EA46FFAC
File Content Preview:	.ELF.....................@.`...4... .....4. ...(.............@...@.....P...P.................E...E........N.........dt.Q............................<...'......!'.......................<...'......!... ....'9... ......................<...'......!........'9.

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, big 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:	72736
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	0xff60	0x0	0x6	AX	16
.fini	PROGBITS	0x410080	0x10080	0x5c	0x0	0x6	AX	4
.rodata	PROGBITS	0x4100e0	0x100e0	0xc70	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	0x42c	0x0	0x3	WA	4
.data	PROGBITS	0x451440	0x11440	0x340	0x0	0x3	WA	16
.got	PROGBITS	0x451780	0x11780	0x448	0x4	0x10000003	WAp	16
.sbss	NOBITS	0x451bc8	0x11bc8	0x20	0x0	0x10000003	WAp	4
.bss	NOBITS	0x451bf0	0x11bc8	0x42c8	0x0	0x3	WA	16
.shstrtab	STRTAB	0x0	0x11bc8	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	0x10d50	0x10d50	5.3633	0x5	R E	0x10000	.init .text .fini .rodata
LOAD	0x11000	0x451000	0x451000	0xbc8	0x4eb8	4.5624	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 13, 2024 15:24:46.355190039 CEST	43928	443	192.168.2.23	91.189.91.42
Oct 13, 2024 15:24:48.146828890 CEST	42516	80	192.168.2.23	109.202.202.202
Oct 13, 2024 15:24:51.934350014 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:24:51.939399958 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:24:51.939510107 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:24:51.939831972 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:24:51.944618940 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:24:51.986243010 CEST	42836	443	192.168.2.23	91.189.91.43
Oct 13, 2024 15:25:03.471955061 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:25:03.472081900 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:25:07.860217094 CEST	43928	443	192.168.2.23	91.189.91.42
Oct 13, 2024 15:25:18.094836950 CEST	42516	80	192.168.2.23	109.202.202.202
Oct 13, 2024 15:25:18.094856977 CEST	42836	443	192.168.2.23	91.189.91.43
Oct 13, 2024 15:25:18.485449076 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:25:18.490531921 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:25:34.262701988 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:25:34.262948036 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:25:48.810642004 CEST	43928	443	192.168.2.23	91.189.91.42
Oct 13, 2024 15:26:16.319499016 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:26:16.320317030 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:26:55.529630899 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:26:55.529962063 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:27:10.539472103 CEST	48544	54123	192.168.2.23	38.60.249.66
Oct 13, 2024 15:27:10.545017004 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:27:59.391429901 CEST	54123	48544	38.60.249.66	192.168.2.23
Oct 13, 2024 15:27:59.391958952 CEST	48544	54123	192.168.2.23	38.60.249.66

UDP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Oct 13, 2024 15:24:49.670036077 CEST	56297	5353	192.168.2.23	63.231.92.27
Oct 13, 2024 15:24:50.190717936 CEST	5353	56297	63.231.92.27	192.168.2.23
Oct 13, 2024 15:24:50.192184925 CEST	48462	5353	192.168.2.23	185.84.81.194
Oct 13, 2024 15:24:50.728614092 CEST	5353	48462	185.84.81.194	192.168.2.23
Oct 13, 2024 15:24:50.831492901 CEST	56339	53	192.168.2.23	116.203.104.203
Oct 13, 2024 15:24:50.841664076 CEST	53	56339	116.203.104.203	192.168.2.23
Oct 13, 2024 15:24:50.888602018 CEST	58723	5353	192.168.2.23	161.97.219.84
Oct 13, 2024 15:24:51.400202990 CEST	5353	58723	161.97.219.84	192.168.2.23
Oct 13, 2024 15:24:51.401329041 CEST	51571	5353	192.168.2.23	185.84.81.194
Oct 13, 2024 15:24:51.933290958 CEST	5353	51571	185.84.81.194	192.168.2.23

DNS Queries

Timestamp	Source IP	Dest IP	Trans ID	OP Code	Name	Type	Class	DNS over HTTPS
Oct 13, 2024 15:24:50.831492901 CEST	192.168.2.23	116.203.104.203	0x9f2f	Standard query (0)	nineteen.libre. [malformed]	256	290	false

System Behavior

Analysis Process: na.elf PID: 6264, Parent PID: 6185

General

Start time (UTC):	13:24:47
Start date (UTC):	13/10/2024
Path:	/tmp/na.elf
Arguments:	/tmp/na.elf
File size:	5777432 bytes
MD5 hash:	0083f1f0e77be34ad27f849842bbb00c

Chronological Activities

Analysis Process: na.elf PID: 6266, Parent PID: 6264

General

Start time (UTC):	13:24:48
Start date (UTC):	13/10/2024
Path:	/tmp/na.elf
Arguments:	-
File size:	5777432 bytes
MD5 hash:	0083f1f0e77be34ad27f849842bbb00c

Chronological Activities

Analysis Process: na.elf PID: 6268, Parent PID: 6264

General

Start time (UTC):	13:24:48
Start date (UTC):	13/10/2024
Path:	/tmp/na.elf
Arguments:	-
File size:	5777432 bytes
MD5 hash:	0083f1f0e77be34ad27f849842bbb00c

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 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 employ a known encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Despite the use of a secure algorithm, these implementations may be vulnerable to reverse engineering if secret keys are encoded and/or generated within malware samples/configuration files.
Tactics:	Command and Control
Data Sources:	Network Traffic: Network Traffic Content
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

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

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Linux Analysis Report na.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Yara Signatures

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Spreading

Networking

System Summary

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

System Behavior

Analysis Process: na.elf PID: 6264, Parent PID: 6185

General

Chronological Activities

Analysis Process: na.elf PID: 6266, Parent PID: 6264

General

Chronological Activities

Analysis Process: na.elf PID: 6268, Parent PID: 6264

General

Chronological Activities

Linux Analysis Report
na.elf