MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 671cfdd83d66fbdb1f3683d7fd18b1bf15a535d72a6f2fc920f5165b8d46ddb2. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 671cfdd83d66fbdb1f3683d7fd18b1bf15a535d72a6f2fc920f5165b8d46ddb2
SHA3-384 hash: 502b0382a596c3a4cafa31e2adee3daac3f330aded4bc61e054400d9422ec30fb7f87815e0703e560f46a8243086f665
SHA1 hash: c46304984a9a0c078345f2b0b6a8f5adec04c35c
MD5 hash: 6f6c34fa7787ef383c05f92dc072ebf9
humanhash: charlie-music-washington-eighteen
File name:mipsel.kok
Download: download sample
Signature Mirai
Create hunting rule
File size:140'256 bytes
First seen:2026-01-14 01:20:32 UTC
Last seen:2026-01-14 05:10:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:gKbr6D9lmJWEy4zKU2N5aBNH/jKYIO2OFR4:h6RlmAEy4eU2mBNfj3/r4
TLSH T199D30709FF610EFBE86FCD3746E9070525CC661622B93BB67534D928F14A24B0AE3974
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gafgyt lolbin masquerade mirai
Link:
https://www.filescan.io/uploads/6966ef9860d1ef876dee9248/reports/d18a4bc0-e064-4550-b52c-fb51a82072b9/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5420d320-323e-4c89-b3aa-89d014517a35
Behavior Graph:
Download SVG
%3 guuid=29edbe9b-1600-0000-4936-5b3efc0e0000 pid=3836 /usr/bin/sudo guuid=c718899d-1600-0000-4936-5b3e030f0000 pid=3843 /tmp/sample.bin guuid=29edbe9b-1600-0000-4936-5b3efc0e0000 pid=3836->guuid=c718899d-1600-0000-4936-5b3e030f0000 pid=3843 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/45210ae7-2660-486e-bdff-c750b8c8c54d
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1850325
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/671cfdd83d66fbdb1f3683d7fd18b1bf15a535d72a6f2fc920f5165b8d46ddb2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/671cfdd83d66fbdb1f3683d7fd18b1bf15a535d72a6f2fc920f5165b8d46ddb2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/671cfdd83d66fbdb1f3683d7fd18b1bf15a535d72a6f2fc920f5165b8d46ddb2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-14 01:21:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m4op3wb5m355whzwqpl72gfrx4k2knoxfjxs7sja6ulfxdkg3wza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260114-bqxaesh16g/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10001386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/95b4929a-3a10-43b1-b41e-504c9ac009a0
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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC 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 671cfdd83d66fbdb1f3683d7fd18b1bf15a535d72a6f2fc920f5165b8d46ddb2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3757304/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3749759/

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