MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364
SHA3-384 hash: 97aab8d858500ae96648cf2cb6ece4576b73b8991d69c351eb696bd7d024ac5b52c1f5925bc7a6549017620567e63054
SHA1 hash: 3211ee4f82fc8e68ff86f468756300545d6942f4
MD5 hash: 390922d7e0840094747e2f9d48012275
humanhash: zebra-thirteen-kilo-enemy
File name:nklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:113'400 bytes
First seen:2026-01-18 13:46:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0eisGfeznbPNbPiuPFIbi2pW1bObyanwmSExl4JR+P8ChTAbVRVsPN:0rfMwbikW1bObyanwmFl4J9ChTA6
TLSH T1B7B3B51BAE529F7CF72C82354FB38B36A659239133E0C185E26CED511D6028E587FB94
telfhash t1e211711c843c03f0e7910dcd6bedff76e05150ef4a215e378e00e999da619469e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
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%
Link:
https://www.filescan.io/uploads/696ce43b584f1963ad5a0375/reports/fbf13e28-9a86-4350-97a6-051e8a66a347/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-18T11:07:00Z UTC
Last seen:
2026-01-18T11:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c29766bf-cda8-4378-9945-0679727bd8e2
Behavior Graph:
Download SVG
%3 guuid=da73c42a-2100-0000-2cd4-5f180a0b0000 pid=2826 /usr/bin/sudo guuid=9f178e2e-2100-0000-2cd4-5f18120b0000 pid=2834 /tmp/sample.bin guuid=da73c42a-2100-0000-2cd4-5f180a0b0000 pid=2826->guuid=9f178e2e-2100-0000-2cd4-5f18120b0000 pid=2834 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3c2fdb00-7c2b-4421-b81c-1a13c54d3a1f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1852767
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852767 Sample: nklmips.elf Startdate: 18/01/2026 Architecture: LINUX Score: 56 20 24.192.175.174 WOW-INTERNETUS United States 2->20 22 50.4.246.148 WOW-INTERNETUS United States 2->22 24 100 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 nklmips.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 8 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/b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 13:47:36 UTC
File Type:
ELF32 Big (Exe)
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ww3vniooixzxg5cp2oy5h2tb34vuqcd5ubx3mhvd2cwfmr5ggnsa._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/260118-q37z1sdy3b/
Behaviour
System Network Configuration Discovery
Renames itself
Contacts a large (59937) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c0eb4879-efff-4f34-9b2c-add73a492034
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 b5b756a1ce45f373744fd3b1d3ea61df2b48087da06fb61ea3d0ac5647a63364

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739224/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739405/

Comments