MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab
SHA3-384 hash: f27c4d574cdbbdf6ce11d206f6a5ab07095d332e9c9d982af9427ece98efd9465ad87ae871651dfea3bc8b8e2290c37c
SHA1 hash: 79f858ed98e488fe9e31a09201d360e4a454fed2
MD5 hash: b4f86b19b4085349c1e56492ad371616
humanhash: lake-sink-burger-pip
File name:nklx86
Download: download sample
Signature Mirai
Create hunting rule
File size:83'124 bytes
First seen:2026-01-24 17:22:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:650gGuGBHjUOuo8v8eC+BzbYmvZh2jikv16+qEYZ23ufkFzDYErVCNuB:62gpeDUFoWT19nZ4iw16PEe2esd8Du
TLSH T19A835AC19543F8F1E9580275227AF3376533DAF801A8FEF7F3945632A4266A0728674E
telfhash t1f22108f616364ce8bbe0b802e74d13713c4deb7b616066f205f32470212ea82617ad79
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 :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-7755770-0
Create hunting rule

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

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
35
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-01-24T16:05:00Z UTC
Last seen:
2026-01-24T18:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17b122ce-6cdd-4dde-94fc-56f4b0d13683
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1856915
Signature
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856915 Sample: nklx86.elf Startdate: 24/01/2026 Architecture: LINUX Score: 76 22 myrepis.gd. [malformed] 2->22 24 160.66.114.206, 23 WOODYNET-2US Italy 2->24 26 100 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 nklx86.elf .systemd-journald 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 34 Sends malformed DNS queries 22->34 process4 file5 20 /dev/shm/.systemd-journald, ELF 8->20 dropped 36 Drops invisible ELF files 8->36 38 Sample deletes itself 8->38 16 .systemd-journald 8->16         started        signatures6 process7 process8 18 .systemd-journald 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-24 17:22:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=waxt3winhxym5xpiit56n7wwqnmvehway4hfcunnegw7wdmsigvq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260124-xc5wase16e/
Behaviour
Reads runtime system information
Writes file to shm directory
Enumerates running processes
Deletes itself
Executes dropped EXE
Contacts a large (46955) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab

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_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 b02f3dd90d3df0cedde844fbe6fed68359521ec0c70e5151ad21adfb0d9241ab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739136/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739168/

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