MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82bc0edf7becf8f453947b1d7a7192f01f2677ce4ef7e1b8541b78d3b55315f4. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82bc0edf7becf8f453947b1d7a7192f01f2677ce4ef7e1b8541b78d3b55315f4
SHA3-384 hash: ec97c4102f02e69ff5f9ee0ebea5fee518909b198e41c9ba51ae644a6dca3e502148f1cd3df60b603d8b75a1504d360f
SHA1 hash: 6e6e2f69d92d1c290c59293c0d2acbf2a74c9a42
MD5 hash: 6948d4197d8c9ab180d65f18a90b0279
humanhash: lactose-six-hydrogen-twenty
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:67'260 bytes
First seen:2025-12-26 18:35:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:oarSJBDObvl3kWPJiba8DUfFoM4CBaU9lTAbVR:oDDSxTAAfF148hTTA
TLSH T132639D36D86A5D58C84C6674B8F18B351B53700096432EFB598BC9B68043DECF68E7F9
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 :
56
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

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

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

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

Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-26T13:59:00Z UTC
Last seen:
2025-12-26T14:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/82bc0edf7becf8f453947b1d7a7192f01f2677ce4ef7e1b8541b78d3b55315f4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/af308d0c-53b8-4ad1-902d-4c0f624964ab
Behavior Graph:
Download SVG
%3 guuid=144cb88b-1b00-0000-8cd0-0feb4f0c0000 pid=3151 /usr/bin/sudo guuid=5ae3618e-1b00-0000-8cd0-0feb540c0000 pid=3156 /tmp/sample.bin guuid=144cb88b-1b00-0000-8cd0-0feb4f0c0000 pid=3151->guuid=5ae3618e-1b00-0000-8cd0-0feb540c0000 pid=3156 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3790fe3b-ca57-41d2-82bd-0638d51fb896
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1839887
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839887 Sample: nklsh4.elf Startdate: 26/12/2025 Architecture: LINUX Score: 60 18 123.110.35.216, 23 TBCOM-NETTBCTW Taiwan; Republic of China (ROC) 2->18 20 123.110.35.217, 23 TBCOM-NETTBCTW Taiwan; Republic of China (ROC) 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Connects to many IPs within the same subnet mask (likely port scanning) 2->28 8 nklsh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklsh4.elf 8->14         started        process6 16 nklsh4.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/82bc0edf7becf8f453947b1d7a7192f01f2677ce4ef7e1b8541b78d3b55315f4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/82bc0edf7becf8f453947b1d7a7192f01f2677ce4ef7e1b8541b78d3b55315f4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 18:36:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qk6a5x335t4piu4upmoxu4ms6apsm56oj336docudn4nhnktcx2a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251226-w8jr9svqdp/
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: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 82bc0edf7becf8f453947b1d7a7192f01f2677ce4ef7e1b8541b78d3b55315f4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739237/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740370/

Comments