MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692
SHA3-384 hash: 10c8910c7da143d1df790144b50aa356431543b86558e86baaa3771c45c341f822885d89a819dff64fd2b9b29dbd3940
SHA1 hash: c63e180d656774ad56750d44c87590acc358d380
MD5 hash: 1e69f03364a695e75e28104802fbec74
humanhash: sixteen-may-bacon-single
File name:.m
Download: download sample
Signature Mirai
Create hunting rule
File size:294'348 bytes
First seen:2026-01-04 19:32:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:ch65qf33Uu1ST4Bm/FQJl+hSGiHICTI1r:chrDm/FQf+hPv1r
TLSH T1E454A50E6F228F3EF7A9877447F78E20965832D61AE1D584D1ACE5015E602CE741FBB8
telfhash t16841b558097813a0a6255c5d449dff3bd6a330db7e272c378b50e85eab69f839d10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/ba62fe0b-c950-42c4-b625-c0915f6dd63c/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sets a written file as executable
Runs as daemon
Manages services
Deletes a file
Receives data from a server
Creating a file
Opens a port
Collects information on the RAM
Sends data to a server
Launching a process
Substitutes an application name
Writes files to system directory
Deleting of the original file
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-04T16:51:00Z UTC
Last seen:
2026-01-05T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f3b39f90-07e6-445c-ae5e-3f8e5d1fb078
Behavior Graph:
Download SVG
%3 guuid=e3cbc241-1a00-0000-459a-01ad8d0a0000 pid=2701 /usr/bin/sudo guuid=f0fe4743-1a00-0000-459a-01ad940a0000 pid=2708 /tmp/sample.bin guuid=e3cbc241-1a00-0000-459a-01ad8d0a0000 pid=2701->guuid=f0fe4743-1a00-0000-459a-01ad940a0000 pid=2708 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1fd48ef1-83c5-4dcc-b6e0-eba981b660eb
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1844496
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844496 Sample: .m.elf Startdate: 04/01/2026 Architecture: LINUX Score: 100 52 72.243.25.153 WINDSTREAMUS United States 2->52 54 155.255.191.212 VUUUS unknown 2->54 56 98 other IPs or domains 2->56 58 Antivirus detection for dropped file 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 Yara detected Mirai 2->64 10 .m.elf 2->10         started        12 systemd .sh 2->12         started        14 systemd snapd-env-generator 2->14         started        16 16 other processes 2->16 signatures3 process4 process5 18 .m.elf 10->18         started        20 .sh 12->20         started        process6 22 .m.elf 18->22         started        26 .sh 20->26         started        file7 50 /usr/bin/.sh, ELF 22->50 dropped 66 Drops invisible ELF files 22->66 68 Drops files in suspicious directories 22->68 70 Sample deletes itself 22->70 28 .m.elf 22->28         started        30 .m.elf sh 22->30         started        32 .m.elf sh 22->32         started        34 2 other processes 22->34 signatures8 process9 process10 36 .m.elf 28->36         started        38 .m.elf 28->38         started        40 .m.elf 28->40         started        48 7 other processes 28->48 42 sh systemctl 30->42         started        44 sh systemctl 32->44         started        46 sh systemctl 34->46         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-04 19:32:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3oly775vmo7x34r2tgmgexe2sfsdk4hqr725q5ohj53og2ri2ja._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery persistence privilege_escalation
Link:
https://tria.ge/reports/260104-x9a27asrbp/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Deletes itself
Contacts a large (69062) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d0175305-d688-4a28-81e1-2df21e88d9cd
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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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 66dcbc7ffdab1dfbef91d4ccc312e4d48b21ab87847faec3ae3a7bb71b514692

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3750239/
  
Delivery method
Distributed via web download

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