MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdff5175ebe8f4026a21f014fcc3c016aabe63f18a47eb9f833134fc6d3463a4. 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 19 File information Comments

SHA256 hash: bdff5175ebe8f4026a21f014fcc3c016aabe63f18a47eb9f833134fc6d3463a4
SHA3-384 hash: cf528562cc8b92f4ea2dcf578d641ed52078ccccc818676a4935bfa431973ecbf23ddc7ac95ffc12f669310b49f43b05
SHA1 hash: 75d8409ad500064699a5b2b02b917e03eef8d7f0
MD5 hash: fbdc965c51baaf694fef0a677a7e78bd
humanhash: moon-fish-enemy-two
File name:nz.x86
Download: download sample
Signature Mirai
File size:123'328 bytes
First seen:2026-06-30 06:03:05 UTC
Last seen:2026-06-30 15:17:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:VbmtRxf+KVB0SecIkIMH4gh6Rlaum7vJm3AwYGkdzD0UfamspCSEsGNrA:hmt/FB0w40Ue7s3AwwdP3DwL6d
TLSH T112C31AC6BA83DEB7E81311F112B7AF365A72F83E1826DA82D374BDE599115C0D50632C
telfhash t1a851f3f96abf0ce89bd45851924e2f216c0da73b246077f545f39838236be82517ac3d
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 :
3
# of downloads :
70
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Creating a file in the %temp% subdirectories
Connection attempt
Creates directories in a temporary directory
Opens a port
Kills processes
DNS request
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-30T03:32:00Z UTC
Last seen:
2026-07-01T18:32:00Z UTC
Hits:
~10
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-30 06:00:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
sex.burnthem.xyz
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 bdff5175ebe8f4026a21f014fcc3c016aabe63f18a47eb9f833134fc6d3463a4

(this sample)

  
Delivery method
Distributed via web download

Comments