MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0
SHA3-384 hash: a284039a7c090a4a4126f112edfe1b97da64169be416fd314a9049d6a6f9cd4cfda4a28931e3ad65ae28ba28d6077230
SHA1 hash: 8e1a1c81593d378dbfee0e22458d79621844e09b
MD5 hash: 9fb09293ed5f376d8b9eb5e862b32d0e
humanhash: pip-lake-fillet-jersey
File name:neon.mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:247'352 bytes
First seen:2025-05-20 07:43:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WChb5FGBt77VpTiTv0gU1CorFSVH6xzLOrudbodEM:WCd677VpmjLUhh0H60wOZ
TLSH T10E34D51AAF610FFBD8ABCD3346E90B0528CC640B22A53B757674C524F54B64B59E3CB8
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 85041b309d46866de9baef14a69d74ff7fddc114f9af0a627011fa22c4699fcc
File size (compressed) :76'412 bytes
File size (de-compressed) :247'352 bytes
Format:linux/mipsel
Packed file: 85041b309d46866de9baef14a69d74ff7fddc114f9af0a627011fa22c4699fcc

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682c32d4c28c67d666423852linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Runs as daemon
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/682c32d2bff72ff46b66afd8/reports/9bf4d163-b469-4d70-8ab6-51a4b67e169f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3262b544-da72-4053-a359-be0d9cb0fdef
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1694592
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1694592 Sample: neon.mipsel.elf Startdate: 20/05/2025 Architecture: LINUX Score: 96 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 2 other signatures 2->35 7 neon.mipsel.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        process3 process4 13 neon.mipsel.elf 7->13         started        15 neon.mipsel.elf 7->15         started        17 neon.mipsel.elf 7->17         started        19 4 other processes 7->19 process5 21 neon.mipsel.elf 13->21         started        23 neon.mipsel.elf 13->23         started        25 neon.mipsel.elf 13->25         started        27 3 other processes 13->27
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-20 07:44:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=732fdrbdxu6zg5eyfvk2jelewaf3fck334tuhfh77vmgnmmixtia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250520-jkxyrsdq4v/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (757936) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 85041b309d46866de9baef14a69d74ff7fddc114f9af0a627011fa22c4699fcc

Mirai

elf fef451c423bd3d9374982d55a49164b00bb2895bdf274394fffd5866b188bcd0

(this sample)

  
Dropped by
SHA256 85041b309d46866de9baef14a69d74ff7fddc114f9af0a627011fa22c4699fcc
  
URLhaus
https://urlhaus.abuse.ch/url/3545428/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f0025c109a80ba58d098c484fa6ba504

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments