MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bfd2b77e688b4b2c2f5493c1efc14a7974f23a0210a6c59c29e549c711a88d6. 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 5 File information Comments

SHA256 hash: 2bfd2b77e688b4b2c2f5493c1efc14a7974f23a0210a6c59c29e549c711a88d6
SHA3-384 hash: 03040514ab981eee669b2d226342be64db65e2f4e32fd07db54a182bef93058e590e641911f1bc74cf317b9d1c1b681b
SHA1 hash: bba19ddb652154e9e6bae8444243dbfc34fae82d
MD5 hash: 8cad0290807929225945ade2d842ebd3
humanhash: twelve-beer-finch-october
File name:nklx86
Download: download sample
Signature Mirai
File size:67'184 bytes
First seen:2025-12-21 14:58:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Ko7uVqemGcpUIdpQjYfFXzRsI06sLfzPyQ2JlxoD8QaRR:Ko7aqemRpFdiEfYImLfjhOPw
TLSH T1D0636BC5E943F9F5EC6D193020B7E77E9A31F5350038FA87E751AD26B812A41F60A29C
telfhash t1b8213df92ebe18e8f7d45c88825d5f012a6ad27751a032b051f3dc3612f7d41503ac39
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 :
1
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T12:07:00Z UTC
Last seen:
2025-12-21T14:41:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-21 14:57:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Changes its process name
Renames itself
Contacts a large (63438) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 2bfd2b77e688b4b2c2f5493c1efc14a7974f23a0210a6c59c29e549c711a88d6

(this sample)

  
Delivery method
Distributed via web download

Comments