MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64867e9c2c761130f4bfe876d7e9266d5f55c5df8f26cf1580cca015b91ef835. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64867e9c2c761130f4bfe876d7e9266d5f55c5df8f26cf1580cca015b91ef835
SHA3-384 hash: 4b59b71f03ef2a43b6f04ea35efed0e2e2c23bf3dd71a530bad14dcfcd43e101507857615e015b1cfeb0f226e40e2bfc
SHA1 hash: 587e11e0d38066c0f9a142296c9353129ea171ff
MD5 hash: 123179faca44a22b0dfe49aa2f1f3942
humanhash: lithium-nuts-india-moon
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:88'564 bytes
First seen:2026-01-24 12:36:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mT4e2EjAEr+9JEadwswgZWRJ8eJbLAbGw8LJM5ACGgdR25b:mTx2Gl+9JEUwsDkJRbPVM5AD+s5
TLSH T1C1837C028CB4ADE8F03B6D7410B5CAFB4717A449A61B6CF73C4782654117AC8F5A6FB4
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 :
76
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

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

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

Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2e4d958a-aa2c-4690-897e-f968ecbfd66c
Behavior Graph:
Download SVG
%3 guuid=0e362a95-1a00-0000-6080-40ae350a0000 pid=2613 /usr/bin/sudo guuid=9d41d997-1a00-0000-6080-40ae3c0a0000 pid=2620 /tmp/sample.bin guuid=0e362a95-1a00-0000-6080-40ae350a0000 pid=2613->guuid=9d41d997-1a00-0000-6080-40ae3c0a0000 pid=2620 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/85cb6cac-9e05-4d8c-b665-8eb432302421
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1856782
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856782 Sample: nklsh4.elf Startdate: 24/01/2026 Architecture: LINUX Score: 68 22 203.99.229.11, 23 RELNETRELATIONCoLtdJP Japan 2->22 24 203.99.229.24, 23 RELNETRELATIONCoLtdJP Japan 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 nklsh4.elf .systemd-journald 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 20 /dev/shm/.systemd-journald, ELF 8->20 dropped 34 Drops invisible ELF files 8->34 36 Sample deletes itself 8->36 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/64867e9c2c761130f4bfe876d7e9266d5f55c5df8f26cf1580cca015b91ef835
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64867e9c2c761130f4bfe876d7e9266d5f55c5df8f26cf1580cca015b91ef835/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-24 12:36:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=msdh5hbmoyitb5f75b3np2jgnvpvlro7r4tm6fmazsqbloi67a2q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260124-rse2xsds8a/
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/64867e9c2c761130f4bfe876d7e9266d5f55c5df8f26cf1580cca015b91ef835

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 64867e9c2c761130f4bfe876d7e9266d5f55c5df8f26cf1580cca015b91ef835

(this sample)

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

Comments