MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a
SHA3-384 hash: f1db5ee9ad5db20320c5b649d1bb9d80319c6bf059f7613199a2e079af5dbcc36c6a6d11b14e0d36f517f07814590d18
SHA1 hash: a10d664cbda1364adf00d20f12f0df23173e986f
MD5 hash: 9672dc10e64ba459c402e5be4fa6e56f
humanhash: alanine-foxtrot-twenty-bluebird
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:45'120 bytes
First seen:2025-11-09 01:25:24 UTC
Last seen:2025-11-09 22:27:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:UN4rn3/DX81kxC7Y7DtGvS1gZgzsvmqu7yP6unbcuyD7UHQRjj:+4rn4WU87DGSAgzsvVuWP6unouy8Hyn
TLSH T1F91301C2CEFB9255CEB6923129CEDF4EA3506957C2C682A37A81733E5478B352C35394
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
File size (compressed) :45'120 bytes
File size (de-compressed) :95'604 bytes
Format:linux/i386
Unpacked file: 40691fd1425d76a849713cafc938a707a2b4bc82f6ec84526a47e60886b4bc69

Intelligence

File Origin
# of uploads :
2
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/690fedb52b74ec26eb6c0980/reports/865a9991-a485-4318-a84f-8e25da8a768c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
50
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
80,8080,37215
Full report:
https://elfdigest.com/brief/ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-08T22:34:00Z UTC
Last seen:
2025-11-08T23:26:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.Zyxel.c HEUR:Exploit.Linux.CVE-2018-10561.a
Link:
https://opentip.kaspersky.com/ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55897ab6-ab1f-4599-802d-877f1441abae
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1810783
Signature
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810783 Sample: debug.elf Startdate: 09/11/2025 Architecture: LINUX Score: 100 28 teamc2.duckdns.org 2->28 30 156.158.248.145 airtel-tz-asTZ Tanzania United Republic of 2->30 32 100 other IPs or domains 2->32 34 Suricata IDS alerts for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Detected Mirai 2->38 42 4 other signatures 2->42 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 40 Uses dynamic DNS services 28->40 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        16 debug.elf 8->16         started        18 3 other processes 8->18 process6 20 debug.elf 12->20         started        22 debug.elf 12->22         started        24 debug.elf 12->24         started        26 2 other processes 12->26
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-09 01:26:17 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=55pnmd3ok2h53j3bollayz7durftfvirlaxb2nnvqyk44exnqsfa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251109-btl9maylgk/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (524110) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2b7047b3-606b-449e-a82e-0ae6e2a15cde
Please note that we are no longer able to provide a coverage score for Virus Total.

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf ef5ed60f6e568fdda76172d60c67e3a44b32d511582e1d35b58615ce12ed848a

(this sample)

Mirai

elf 40691fd1425d76a849713cafc938a707a2b4bc82f6ec84526a47e60886b4bc69

  
URLhaus
https://urlhaus.abuse.ch/url/3697766/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 40691fd1425d76a849713cafc938a707a2b4bc82f6ec84526a47e60886b4bc69
  
Dropping
MD5 3188eb791b040137b264b02e27f7e6f0
  
URLhaus
https://urlhaus.abuse.ch/url/3697593/

Comments