MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587
SHA3-384 hash: 3dd3cf1d418922d2aa9b9d716b4acf6ab03fefcef1c6a3e8842efa9fc184aff3826b916964cfc67054e40b8be7612ff4
SHA1 hash: 6a85840c20857d0060a86a3d0a9fa600baf9ccc7
MD5 hash: de0ffa5878438b5b26c7e01c6ddb8ee7
humanhash: william-berlin-nitrogen-diet
File name:nklm68k
Download: download sample
Signature Mirai
Create hunting rule
File size:86'448 bytes
First seen:2026-01-12 08:21:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:koJaANXfhAYJMZLZaPaYJvcYtTJBjg84+CNR9eJakP0OZJNdP446J/E8AfBWTP6:koY2XpAYJMJZ4aYJXXs59ulRNR446JC/
TLSH T1B8833953B400DC7FF81BE2B394571B01B62477E59E122B27B622FD6BDA3E1681C1AD42
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9940650-0
Create hunting rule

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

Unix.Trojan.Mirai-10018298-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6964af3f30368802bb815537/reports/d7201629-7cc4-4f39-a152-641c343cb412/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-12T07:10:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/817b5b2e-b532-45ef-bfa1-a3bcf3212331
Behavior Graph:
Download SVG
%3 guuid=a2cdfc7a-1a00-0000-e099-cdad140b0000 pid=2836 /usr/bin/sudo guuid=39e8c37c-1a00-0000-e099-cdad190b0000 pid=2841 /tmp/sample.bin guuid=a2cdfc7a-1a00-0000-e099-cdad140b0000 pid=2836->guuid=39e8c37c-1a00-0000-e099-cdad190b0000 pid=2841 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7b44c981-d389-4fde-9d39-3ae269a6323b
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1848816
Signature
Antivirus / Scanner detection for submitted sample
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: 1848816 Sample: nklm68k.elf Startdate: 12/01/2026 Architecture: LINUX Score: 68 18 196.190.104.250 EthioNet-ASET Ethiopia 2->18 20 196.190.126.8 EthioNet-ASET Ethiopia 2->20 22 100 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 nklm68k.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nklm68k.elf 8->14         started        process6 16 nklm68k.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-01-12 08:22:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6jr4bilvklg67zlfigcxvmmqbnn6mvaznwv4m3pip7ygrcewuwdq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260112-j88p6say9a/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/05b0bfb2-accd-4ac6-9aab-f88e43c54df4
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/f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 f263c0a17552cdefe56541857ab1900b5be654196dabc66de87ff0688896a587

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739196/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740304/

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