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Linux Analysis Report
nemil.m68k.elf

Overview

General Information

Sample name:	nemil.m68k.elf
Analysis ID:	1664243
MD5:	14cd396af727f9c9ace63a76bbb4b63e
SHA1:	50aa69fd714c9a6b6a9eb86e6d26b85d8dba8813
SHA256:	ed2533ca17ad7dd454bd4f91f5cd7b1721e6f78e9d87d0bac09beb8e49e49791
Tags:	elfuser-abuse_ch
Infos:

Detection

Mirai

Score:	64
Range:	0 - 100

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:	42.0.0 Malachite
Analysis ID:	1664243
Start date and time:	2025-04-13 21:35:11 +02:00
Joe Sandbox product:	CloudBasic
Overall analysis duration:	0h 4m 38s
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:	nemil.m68k.elf
Detection:	MAL
Classification:	mal64.troj.linELF@0/0@0/0

Runtime Messages

Command:	/tmp/nemil.m68k.elf
PID:	6242
Exit Code:	139
Exit Code Info:	SIGSEGV (11) Segmentation fault invalid memory reference
Killed:	False
Standard Output:
Standard Error:	qemu: uncaught target signal 11 (Segmentation fault) - core dumped

Process Tree

system is lnxubuntu20

dash New Fork (PID: 6220, Parent: 4333)

rm (PID: 6220, Parent: 4333, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.Q9DPwCW6gD /tmp/tmp.Iwa1g9aoYG /tmp/tmp.6VWpSrztg9

dash New Fork (PID: 6221, Parent: 4333)

cat (PID: 6221, Parent: 4333, MD5: 7e9d213e404ad3bb82e4ebb2e1f2c1b3) Arguments: cat /tmp/tmp.Q9DPwCW6gD

dash New Fork (PID: 6222, Parent: 4333)

head (PID: 6222, Parent: 4333, MD5: fd96a67145172477dd57131396fc9608) Arguments: head -n 10

dash New Fork (PID: 6223, Parent: 4333)

tr (PID: 6223, Parent: 4333, MD5: fbd1402dd9f72d8ebfff00ce7c3a7bb5) Arguments: tr -d \\000-\\011\\013\\014\\016-\\037

dash New Fork (PID: 6224, Parent: 4333)

cut (PID: 6224, Parent: 4333, MD5: d8ed0ea8f22c0de0f8692d4d9f1759d3) Arguments: cut -c -80

dash New Fork (PID: 6225, Parent: 4333)

cat (PID: 6225, Parent: 4333, MD5: 7e9d213e404ad3bb82e4ebb2e1f2c1b3) Arguments: cat /tmp/tmp.Q9DPwCW6gD

dash New Fork (PID: 6226, Parent: 4333)

head (PID: 6226, Parent: 4333, MD5: fd96a67145172477dd57131396fc9608) Arguments: head -n 10

dash New Fork (PID: 6227, Parent: 4333)

tr (PID: 6227, Parent: 4333, MD5: fbd1402dd9f72d8ebfff00ce7c3a7bb5) Arguments: tr -d \\000-\\011\\013\\014\\016-\\037

dash New Fork (PID: 6228, Parent: 4333)

cut (PID: 6228, Parent: 4333, MD5: d8ed0ea8f22c0de0f8692d4d9f1759d3) Arguments: cut -c -80

dash New Fork (PID: 6229, Parent: 4333)

rm (PID: 6229, Parent: 4333, MD5: aa2b5496fdbfd88e38791ab81f90b95b) Arguments: rm -f /tmp/tmp.Q9DPwCW6gD /tmp/tmp.Iwa1g9aoYG /tmp/tmp.6VWpSrztg9

nemil.m68k.elf (PID: 6242, Parent: 6155, MD5: cd177594338c77b895ae27c33f8f86cc) Arguments: /tmp/nemil.m68k.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

Memory Dumps

Source	Rule	Description	Author	Strings
Process Memory Space: nemil.m68k.elf PID: 6242	JoeSecurity_Mirai_9	Yara detected Mirai	Joe Security

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: nemil.m68k.elf

Avira: detected

Multi AV Scanner detection for submitted file

Source: nemil.m68k.elf	Virustotal: Detection: 52%			Perma Link
Source: nemil.m68k.elf	ReversingLabs: Detection: 61%

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: global traffic	TCP traffic: 192.168.2.23:43928 -> 91.189.91.42:443

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

Source: Initial sample	String containing 'busybox' found: /bin/busybox
Source: Initial sample	String containing 'busybox' found: httpurl=POST.x86.x86_64.arm.arm5.arm6.arm7.mips.mipsel.sh4.ppc/proc/proc/%d/exe/proc/%s/statusrName:/bin/busybox/bin/systemd/usr/bintest/tmp/condi/tmp/zxcr9999/tmp/condinetwork/var/condibot/var/zxcr9999/var/CondiBot/var/condinet/bin/watchdog/proc/net/tcppayloadw/proc/self/exe%s/%s* * * * * root %s

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: 6220)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Q9DPwCW6gD /tmp/tmp.Iwa1g9aoYG /tmp/tmp.6VWpSrztg9			Jump to behavior
Source: /usr/bin/dash (PID: 6229)	Rm executable: /usr/bin/rm -> rm -f /tmp/tmp.Q9DPwCW6gD /tmp/tmp.Iwa1g9aoYG /tmp/tmp.6VWpSrztg9			Jump to behavior

Source: /tmp/nemil.m68k.elf (PID: 6242)

Queries kernel information via 'uname':

Jump to behavior

Source: nemil.m68k.elf, 6242.1.00007fff215c1000.00007fff215e2000.rw-.sdmp	Binary or memory string: x86_64/usr/bin/qemu-m68k/tmp/nemil.m68k.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/nemil.m68k.elf
Source: nemil.m68k.elf, 6242.1.000055e013d4e000.000055e013db2000.rw-.sdmp	Binary or memory string: U!/etc/qemu-binfmt/m68k
Source: nemil.m68k.elf, 6242.1.00007fff215c1000.00007fff215e2000.rw-.sdmp	Binary or memory string: /usr/bin/qemu-m68k
Source: nemil.m68k.elf, 6242.1.000055e013d4e000.000055e013db2000.rw-.sdmp	Binary or memory string: /etc/qemu-binfmt/m68k
Source: nemil.m68k.elf, 6242.1.00007fff215c1000.00007fff215e2000.rw-.sdmp	Binary or memory string: qemu: uncaught target signal 11 (Segmentation fault) - core dumped

Stealing of Sensitive Information

Yara detected Mirai

Source: Yara match

File source: Process Memory Space: nemil.m68k.elf PID: 6242, type: MEMORYSTR

Remote Access Functionality

Yara detected Mirai

Source: Yara match

File source: Process Memory Space: nemil.m68k.elf PID: 6242, type: MEMORYSTR

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

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
nemil.m68k.elf	52%	Virustotal		Browse
nemil.m68k.elf	61%	ReversingLabs	Linux.Trojan.Mirai
nemil.m68k.elf	100%	Avira	EXP/ELF.Mirai.Bootnet.ob

Dropped Files

⊘No Antivirus matches

Domains

⊘No Antivirus matches

URLs

⊘No Antivirus matches

Domains and IPs

Contacted Domains

⊘No contacted domains info

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	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	nemil.sh4.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	nemil.mips.elf	Get hash	malicious	Mirai	Browse
	nklarm6.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	nemil.arm5.elf	Get hash	malicious	Mirai	Browse
	zerarm7.elf	Get hash	malicious	Unknown	Browse
	zerarm6.elf	Get hash	malicious	Unknown	Browse
91.189.91.42	na.elf	Get hash	malicious	Prometei	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	nemil.sh4.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	nemil.mips.elf	Get hash	malicious	Mirai	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	zermips.elf	Get hash	malicious	Unknown	Browse
	nklarm6.elf	Get hash	malicious	Unknown	Browse
	na.elf	Get hash	malicious	Prometei	Browse
	nemil.arm5.elf	Get hash	malicious	Mirai	Browse

Domains

⊘No context

ASNs

Match	Associated Sample Name / URL	SHA 256	Detection	Threat Name	Link	Context
CANONICAL-ASGB	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	nemil.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	nemil.mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	zermips.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	nklarm6.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	nemil.arm5.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
CANONICAL-ASGB	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	nemil.sh4.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	nemil.mips.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	zermips.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	nklarm6.elf	Get hash	malicious	Unknown	Browse	91.189.91.42
	na.elf	Get hash	malicious	Prometei	Browse	91.189.91.42
	nemil.arm5.elf	Get hash	malicious	Mirai	Browse	91.189.91.42
INIT7CH	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	nemil.sh4.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	nemil.mips.elf	Get hash	malicious	Mirai	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	Browse	109.202.202.202
	zermips.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	zerx86.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	nklarm6.elf	Get hash	malicious	Unknown	Browse	109.202.202.202
	na.elf	Get hash	malicious	Prometei	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, Motorola m68k, 68020, version 1 (SYSV), statically linked, stripped
Entropy (8bit):	6.312562210391773
TrID:	ELF Executable and Linkable format (generic) (4004/1) 100.00%
File name:	nemil.m68k.elf
File size:	92'628 bytes
MD5:	14cd396af727f9c9ace63a76bbb4b63e
SHA1:	50aa69fd714c9a6b6a9eb86e6d26b85d8dba8813
SHA256:	ed2533ca17ad7dd454bd4f91f5cd7b1721e6f78e9d87d0bac09beb8e49e49791
SHA512:	47c49ebbd3b585fb178601cff6010cf61edb9c2959468b208924d55106a44f6bc81aae04a62cf5509014c484183da52f7ef1cbb01df875595f27be33f60508c9
SSDEEP:	1536:kOx9cHaQRKhD/e7ib+rKQCJF0JW1YfxEi4852UyC3amdkiO1u9dC2uGkYsOPgZ:hxxVQFWifxEifyC3az1wdBv4Z
TLSH:	64935C9AB400DEBDFC46E67B44270A0AB53072608FA20F376697FC53BC361F89956E45
File Content Preview:	.ELF.......................D...4..hD.....4. ...(......................d...d....... .......d............p..'....... .dt.Q............................NV..a....da...H.N^NuNV..J9....f>"y.... QJ.g.X.#.....N."y.... QJ.f.A.....J.g.Hy..d.N.X.........N^NuNV..N^NuN

Static ELF Info

ELF header
Class:	ELF32
Data:	2's complement, big endian
Version:	1 (current)
Machine:	MC68000
Version Number:	0x1
Type:	EXEC (Executable file)
OS/ABI:	UNIX - System V
ABI Version:	0
Entry Point Address:	0x80000144
Flags:	0x0
ELF Header Size:	52
Program Header Offset:	52
Program Header Size:	32
Number of Program Headers:	3
Section Header Offset:	92228
Section Header Size:	40
Number of Section Headers:	10
Header String Table Index:	9

Sections

Name	Type	Address	Offset	Size	EntSize	Flags	Flags Description	Align
	NULL	0x0	0x0	0x0	0x0	0x0		0
.init	PROGBITS	0x80000094	0x94	0x14	0x0	0x6	AX	2
.text	PROGBITS	0x800000a8	0xa8	0x148da	0x0	0x6	AX	4
.fini	PROGBITS	0x80014982	0x14982	0xe	0x0	0x6	AX	2
.rodata	PROGBITS	0x80014990	0x14990	0x1b00	0x0	0x2	A	2
.ctors	PROGBITS	0x80018494	0x16494	0x8	0x0	0x3	WA	4
.dtors	PROGBITS	0x8001849c	0x1649c	0x8	0x0	0x3	WA	4
.data	PROGBITS	0x800184a8	0x164a8	0x35c	0x0	0x3	WA	4
.bss	NOBITS	0x80018804	0x16804	0x2454	0x0	0x3	WA	4
.shstrtab	STRTAB	0x0	0x16804	0x3e	0x0	0x0		1

Program Segments

Type	Offset	Virtual Address	Physical Address	File Size	Memory Size	Entropy	Flags	Flags Description	Align	Section Mappings
LOAD	0x0	0x80000000	0x80000000	0x16490	0x16490	6.3404	0x5	R E	0x2000	.init .text .fini .rodata
LOAD	0x16494	0x80018494	0x80018494	0x370	0x27c4	2.8718	0x6	RW	0x2000	.ctors .dtors .data .bss
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
Apr 13, 2025 21:36:05.506954908 CEST	42836	443	192.168.2.23	91.189.91.43
Apr 13, 2025 21:36:06.274735928 CEST	42516	80	192.168.2.23	109.202.202.202
Apr 13, 2025 21:36:20.352849960 CEST	43928	443	192.168.2.23	91.189.91.42
Apr 13, 2025 21:36:32.639084101 CEST	42836	443	192.168.2.23	91.189.91.43
Apr 13, 2025 21:36:36.734344006 CEST	42516	80	192.168.2.23	109.202.202.202
Apr 13, 2025 21:37:01.306806087 CEST	43928	443	192.168.2.23	91.189.91.42

System Behavior

Analysis Process: dash PID: 6220, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: rm PID: 6220, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.Q9DPwCW6gD /tmp/tmp.Iwa1g9aoYG /tmp/tmp.6VWpSrztg9
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Chronological Activities

Analysis Process: dash PID: 6221, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: cat PID: 6221, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/cat
Arguments:	cat /tmp/tmp.Q9DPwCW6gD
File size:	43416 bytes
MD5 hash:	7e9d213e404ad3bb82e4ebb2e1f2c1b3

Chronological Activities

Analysis Process: dash PID: 6222, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: head PID: 6222, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/head
Arguments:	head -n 10
File size:	47480 bytes
MD5 hash:	fd96a67145172477dd57131396fc9608

Chronological Activities

Analysis Process: dash PID: 6223, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: tr PID: 6223, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/tr
Arguments:	tr -d \\000-\\011\\013\\014\\016-\\037
File size:	51544 bytes
MD5 hash:	fbd1402dd9f72d8ebfff00ce7c3a7bb5

Chronological Activities

Analysis Process: dash PID: 6224, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: cut PID: 6224, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/cut
Arguments:	cut -c -80
File size:	47480 bytes
MD5 hash:	d8ed0ea8f22c0de0f8692d4d9f1759d3

Chronological Activities

Analysis Process: dash PID: 6225, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: cat PID: 6225, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/cat
Arguments:	cat /tmp/tmp.Q9DPwCW6gD
File size:	43416 bytes
MD5 hash:	7e9d213e404ad3bb82e4ebb2e1f2c1b3

Chronological Activities

Analysis Process: dash PID: 6226, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: head PID: 6226, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/head
Arguments:	head -n 10
File size:	47480 bytes
MD5 hash:	fd96a67145172477dd57131396fc9608

Chronological Activities

Analysis Process: dash PID: 6227, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: tr PID: 6227, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/tr
Arguments:	tr -d \\000-\\011\\013\\014\\016-\\037
File size:	51544 bytes
MD5 hash:	fbd1402dd9f72d8ebfff00ce7c3a7bb5

Chronological Activities

Analysis Process: dash PID: 6228, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: cut PID: 6228, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/cut
Arguments:	cut -c -80
File size:	47480 bytes
MD5 hash:	d8ed0ea8f22c0de0f8692d4d9f1759d3

Chronological Activities

Analysis Process: dash PID: 6229, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/dash
Arguments:	-
File size:	129816 bytes
MD5 hash:	1e6b1c887c59a315edb7eb9a315fc84c

Chronological Activities

Analysis Process: rm PID: 6229, Parent PID: 4333

General

Start time (UTC):	19:35:50
Start date (UTC):	13/04/2025
Path:	/usr/bin/rm
Arguments:	rm -f /tmp/tmp.Q9DPwCW6gD /tmp/tmp.Iwa1g9aoYG /tmp/tmp.6VWpSrztg9
File size:	72056 bytes
MD5 hash:	aa2b5496fdbfd88e38791ab81f90b95b

Chronological Activities

Analysis Process: nemil.m68k.elf PID: 6242, Parent PID: 6155

General

Start time (UTC):	19:36:01
Start date (UTC):	13/04/2025
Path:	/tmp/nemil.m68k.elf
Arguments:	/tmp/nemil.m68k.elf
File size:	4463432 bytes
MD5 hash:	cd177594338c77b895ae27c33f8f86cc

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 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 ...

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Linux Analysis Report nemil.m68k.elf

Overview

General Information

Detection

Signatures

Classification

General Information

Runtime Messages

Process Tree

Malware Threat Intel

Yara Signatures

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

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

System Behavior

Analysis Process: dash PID: 6220, Parent PID: 4333

General

Chronological Activities

Analysis Process: rm PID: 6220, Parent PID: 4333

General

Chronological Activities

Analysis Process: dash PID: 6221, Parent PID: 4333

General

Chronological Activities

Analysis Process: cat PID: 6221, Parent PID: 4333

General

Chronological Activities

Analysis Process: dash PID: 6222, Parent PID: 4333

General

Chronological Activities

Analysis Process: head PID: 6222, Parent PID: 4333

General

Chronological Activities

Analysis Process: dash PID: 6223, Parent PID: 4333

General

Chronological Activities

Analysis Process: tr PID: 6223, Parent PID: 4333

General

Linux Analysis Report
nemil.m68k.elf