MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac. 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: 218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac
SHA3-384 hash: d81f31d77825a83b383308420ef942b8c728118744029e38d317a1cf350ade1ce2fd0e1db33143f65ec160e5f2ea50d8
SHA1 hash: d0aeeff37cc1f34f8803b2aa1482d79d877a097b
MD5 hash: 91868847bee8714627be4b00c1d5383c
humanhash: november-earth-august-undress
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:87'248 bytes
First seen:2026-01-12 14:43:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:bVR4S54NdET+SEr7X25uT7opAkJYjkdNvzmMpdXCSQKk9yIQrTAbVR:bVRd50k+SEr7m5unY3Y1ydX5QrUI4TA
TLSH T1EA838E12CDA59C98F03E7D3010B9CBBB4717A505991B6DFB3C46C225501BA88F5EABF8
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 :
135
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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6965088d30368802bb8208f1/reports/2277daf3-47ab-4a64-9fb1-bfdbad0c6aeb/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T13:49:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b565c6ef-91a2-4c93-809a-953f2128ffea
Behavior Graph:
Download SVG
%3 guuid=4711f0dd-1900-0000-c16f-cdafc00c0000 pid=3264 /usr/bin/sudo guuid=df1f3be0-1900-0000-c16f-cdafc60c0000 pid=3270 /tmp/sample.bin guuid=4711f0dd-1900-0000-c16f-cdafc00c0000 pid=3264->guuid=df1f3be0-1900-0000-c16f-cdafc60c0000 pid=3270 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f22ce0da-f6fe-44f5-80de-0c4cb9f78e54
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1849215
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: 1849215 Sample: nklsh4.elf Startdate: 12/01/2026 Architecture: LINUX Score: 60 18 82.137.156.110 NSTU-ASRU Russian Federation 2->18 20 82.137.156.117 NSTU-ASRU Russian Federation 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/218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-12 14:44:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eggvdorxzhs4gooctxbtagxblf3pxpdwgnflnblszdm37ft2pkwa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260112-r3r48sd17e/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/89cdf1ec-1d58-4627-a73f-277008537d23
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac

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 218d51ba37c9e5c339c29dc3301ae15976fbbc76334ab68572c8d9bf967a7aac

(this sample)

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

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