MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130
SHA3-384 hash: 7a4272b75b6625d1cf2a103e8c03dea900af28d46c478c737d7eadd88b2e733c9ad3f14335c5c27e252e1169b619052f
SHA1 hash: 5e5f9ae60c2dde2413736796fd1ce2a221eadd78
MD5 hash: 6d5465f275cdbbb184445dcabd0406b4
humanhash: lactose-illinois-edward-seven
File name:nklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:76'420 bytes
First seen:2025-12-09 17:24:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:xVdXi60/ZPpYfu05Jn2vV11/EbQnv0rv6trvvS5WFuI9T3bsR5GUnI:xfiZ/Zen5Jn2vL1/CTWF99T3AnI
TLSH T10F73B60A6F258FBDFB69C63647B78E219788339227E0C645D12CE9015EB074D641FBE8
telfhash t193013c6c853853f1a7860ced67edff7ad45140ef09269e378d00f96a9b21a46ae10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
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
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69385b43154f74b93dd5346c/reports/1fbac49a-62bd-4fc2-a11f-80625a01efa7/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-09T12:57:00Z UTC
Last seen:
2025-12-09T13:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4e48be59-1e58-4601-b4f8-91e0e90cc6e6
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1829707
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829707 Sample: nklmips.elf Startdate: 09/12/2025 Architecture: LINUX Score: 48 20 139.198.97.222 YTL-HKYunifyTechnologiesHKLimitedHK China 2->20 22 63.243.65.75 WINDSTREAMUS United States 2->22 24 99 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 8 dash rm nklmips.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 nklmips.elf 8->16         started        process6 18 nklmips.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-09 17:24:24 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=naopmsyrf52pp7kejturww3hlfpvfttzdvoghiuqzrizio5r4eya._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251209-vyvw4sbn2z/
Behaviour
System Network Configuration Discovery
Changes its process name
Renames itself
Contacts a large (108187) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c1a57c6e-00f7-4eed-bf6b-9709fb7ee669
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/681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130

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 681cf64b112f74f7fd444ce91b5b67595f52ce791d5c63a290cc51943bb1e130

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726348/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726619/

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