MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6276b1e1b3a25f05edb6fafc89678f42d2d38964394d7fcc4d4ec2fa4439ffa. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6276b1e1b3a25f05edb6fafc89678f42d2d38964394d7fcc4d4ec2fa4439ffa
SHA3-384 hash: e771bc3c7900236b3e2c4959e5f8c1defc55c6cb0129d701ed73aaa64ffcf529f8ddb3faba11fcc972636125049edad2
SHA1 hash: 4b078bdd2c8be88e25bcda30e291baede585eed2
MD5 hash: 0309c65c13b273853c85b1da70515300
humanhash: bacon-nebraska-gee-fruit
File name:nshkx86
Download: download sample
Signature Mirai
Create hunting rule
File size:96'428 bytes
First seen:2025-12-02 17:24:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1xFnqj8/TCxYFHPlAGg8TF5fL+cSA2dsn7eiFySvm4UnVp6:vMj8e6Fhg8fLvSA6sCObTUVp
TLSH T16E936BC5FB83D4F2E84705B15037A7338732E93A5039EA46D369E936EC52911DA2B36C
telfhash t18351e9f62dae08ecb7d09845c30e2bd31a1ad777116076b245b25ca533f7d8180b6c36
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 :
33
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31076.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

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

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

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

Gathering data
Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/05850aa1-f614-464b-ac79-1d36cc29e29c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1824697
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824697 Sample: nshkx86.elf Startdate: 02/12/2025 Architecture: LINUX Score: 100 23 mirai.48101.online. [malformed] 2->23 25 ihatemylife.racist.black. [malformed] 2->25 27 103 other IPs or domains 2->27 31 Suricata IDS alerts for network traffic 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 39 4 other signatures 2->39 8 nshkx86.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 9 other processes 2->14 signatures3 37 Sends malformed DNS queries 25->37 process4 process5 16 nshkx86.elf 8->16         started        19 nshkx86.elf 8->19         started        signatures6 29 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->29 21 nshkx86.elf 19->21         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b6276b1e1b3a25f05edb6fafc89678f42d2d38964394d7fcc4d4ec2fa4439ffa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6276b1e1b3a25f05edb6fafc89678f42d2d38964394d7fcc4d4ec2fa4439ffa/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 17:06:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wytwwhq3his7axw3n6x4rfty6qws2oewioknp7ge2twc7jcdt75a._file
Result
Malware family:
hailbot
Create hunting rule
Score:
  10/10
Tags:
family:hailbot discovery linux
Link:
https://tria.ge/reports/251202-vy6nlsxpej/
Behaviour
Reads runtime system information
Changes its process name
Renames itself
Contacts a large (67120) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/9de7b890-9dfd-48d9-ab8e-7488838cbc5a
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: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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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: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 b6276b1e1b3a25f05edb6fafc89678f42d2d38964394d7fcc4d4ec2fa4439ffa

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3723489/
  
Delivery method
Distributed via web download

Comments