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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d. 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: 7


Intelligence 7 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d
SHA3-384 hash: 1a27c81a27372c61cf53072fcc832f55f0ff4a5556e62364b82fdd11697c8463af4701b79694c8fc6bc6c552bded0648
SHA1 hash: f554d034f7c63fd2f9dc5802ebe37ff8ebb6d2a5
MD5 hash: 41cbe99e24d6dc66ce0ee0a86e3ec870
humanhash: california-speaker-romeo-earth
File name:bin.i486
Download: download sample
Signature Mirai
Create hunting rule
File size:184'484 bytes
First seen:2026-06-29 20:31:59 UTC
Last seen:2026-07-02 14:39:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:6pvxSRDke9jrwcV58ctaiJE7/CRDh7qU83Flpm8X:yvwpk1ctaomi7V8tm8X
TLSH T1A3043802D603CAB2C01301B212B7CB761E31F9B7AE25D452D3FCFEA5AD656D165093AE
telfhash t129912b75fef509dcb7d0c801d24e5361de19e53b34503aba0af2269837b2a42527ac7a
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 BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
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Sanesecurity.Malware.30645.LC.UNOFFICIAL
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Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-7759336-0
Create hunting rule

Unix.Trojan.Mirai-7772538-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

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

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-10036478-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Collects information on the network activity
Sends data to a server
Mounts file systems
Receives data from a server
Connection attempt
Deleting a recently created file
Creating a file
Opens a port
Kills processes
Removes directories
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade
Link:
https://www.filescan.io/uploads/6a42d758a991bda4c2e12417/reports/8bc46d87-eb32-4d9e-981e-a329dcc52766/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-29T16:24:00Z UTC
Last seen:
2026-07-01T13:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8f0ccac1-f73d-4708-ba4a-e50080768a0b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-29 20:31:24 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=mv757mk4ejleepkbovgzh3wafdq3ygsptxdf7ma3rmm4h5uhkfoq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux
Link:
https://tria.ge/reports/260629-zbmz7sey21/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
Link:
https://yomi.yoroi.company/submissions/657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d

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_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_Trojan_Mirai_122ff2e6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 657fdfb15c2256423d41754d93eec028e1bc1a4f9dc65fb01b8b19c3f687515d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3878157/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3878226/

Comments