MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8
SHA3-384 hash: dbedddd8a47085f3ec9505c860450e084d3d7f22d336c68102190c1a0c8bed280d65357a8b93748cee095a58af22367e
SHA1 hash: a24574256a9c9bc2def551fb47daf725a6c24337
MD5 hash: 471749a65d4a9cdeebe037fb66963858
humanhash: artist-east-lamp-video
File name:morte.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:148'976 bytes
First seen:2025-11-29 10:16:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qVCDfM5O1NvMGxC7cURJRfYBybhvBT/zy1PYg0ya5pEi:ZMOTvMGecUxYkGJSya5pEi
TLSH T17EE33A80F94B80F6D8478D3121B6F33FCA70A5A98077C65DEFD59F35EA27841962228D
telfhash t1f4415bf776bd4edd27e98812c3cb6f50ed0ed27b3821327802622ae4217745161bac79
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b0a47d02af0ca35829fa988410ae80267986b1e5b0720a14b7934faea454404c
File size (compressed) :56'824 bytes
File size (de-compressed) :148'976 bytes
Format:linux/i386
Packed file: b0a47d02af0ca35829fa988410ae80267986b1e5b0720a14b7934faea454404c

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

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

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

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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-7136017-0
Create hunting rule

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

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

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

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10005580-0
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

Unix.Trojan.Mirai-10017298-0
Create hunting rule

Unix.Trojan.Mirai-10058414-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Changes access rights for a written file
Launching a process
Sends data to a server
Removes directories
DNS request
Sets a written file as executable
Creating a file
Changes the time when the file was created, accessed, or modified
Deleting a recently created file
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/692ac8281b65ca0bb9274ab1/reports/68b0d588-64b9-412c-af23-e51326a6e95e/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T08:31:00Z UTC
Last seen:
2025-11-30T04:41:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f46600a-3828-4c7f-ae7e-453b1540f787
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1822805
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Deletes system log files
Detected Mirai
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822805 Sample: morte.i686.elf Startdate: 29/11/2025 Architecture: LINUX Score: 100 75 205.124.55.245, 52869, 80, 8080 WEST-NET-WESTUS United States 2->75 77 133.9.219.216, 52869 WASEDAWASEDAUniversityJP Japan 2->77 79 98 other IPs or domains 2->79 87 Suricata IDS alerts for network traffic 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus detection for dropped file 2->91 93 6 other signatures 2->93 12 morte.i686.elf 2->12         started        signatures3 process4 process5 14 morte.i686.elf 12->14         started        process6 16 morte.i686.elf 14->16         started        file7 67 /etc/init.d/sysd, POSIX 16->67 dropped 81 Sample tries to set files in /etc globally writable 16->81 83 Drops files in suspicious directories 16->83 85 Sample tries to persist itself using System V runlevels 16->85 20 morte.i686.elf 16->20         started        22 morte.i686.elf 16->22         started        25 morte.i686.elf sh 16->25         started        signatures8 process9 file10 27 morte.i686.elf 20->27         started        29 morte.i686.elf sh 20->29         started        31 morte.i686.elf 20->31         started        39 3 other processes 20->39 69 /usr/Bin), ELF 22->69 dropped 33 morte.i686.elf 22->33         started        35 morte.i686.elf sh 22->35         started        37 sh cp 25->37         started        process11 signatures12 58 706 other processes 27->58 42 sh crontab 29->42         started        46 sh 29->46         started        48 morte.i686.elf 31->48         started        50 morte.i686.elf 31->50         started        52 morte.i686.elf 31->52         started        60 286 other processes 33->60 54 sh crontab 35->54         started        56 sh 35->56         started        95 Manipulation of devices in /dev 39->95 process13 file14 71 /var/spool/cron/crontabs/tmp.1yiCQz, ASCII 42->71 dropped 97 Sample tries to persist itself using cron 42->97 99 Executes the "crontab" command typically for achieving persistence 42->99 62 sh crontab 46->62         started        101 Manipulation of devices in /dev 48->101 103 Deletes system log files 48->103 73 /var/spool/cron/cr...mp.OZSdad (deleted), ASCII 54->73 dropped 65 sh crontab 56->65         started        signatures15 process16 signatures17 105 Executes the "crontab" command typically for achieving persistence 62->105
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-29 10:17:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzujdrqt5klz2hk7czan4mw7d7krx7e6c2usmq4vcnokyghj2g4a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/251129-mbfvnstjey/
Behaviour
Reads runtime system information
Changes its process name
Creates a large amount of network flows
Creates/modifies Cron job
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Contacts a large (2478) amount of remote hosts
Mirai
Mirai family
Malware Config
C2 Extraction:
draft21.redirectme.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/e4ff849b-5d4a-4f48-adf3-407e6f385849
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/c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8

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:iot_req_metachar
Create hunting rule
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_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 b0a47d02af0ca35829fa988410ae80267986b1e5b0720a14b7934faea454404c

Mirai

elf c66891c613ea979d1d5f1640de32df1fd51bfc9e16a9264395135cac18e9d1b8

(this sample)

  
Dropped by
SHA256 b0a47d02af0ca35829fa988410ae80267986b1e5b0720a14b7934faea454404c
  
URLhaus
https://urlhaus.abuse.ch/url/3719147/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 701ba49d419db77f6b604dae9db63fa2
  
URLhaus
https://urlhaus.abuse.ch/url/3719137/
  
URLhaus
https://urlhaus.abuse.ch/url/3702416/

Comments