MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8. 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: b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8
SHA3-384 hash: 61b9d5546a9fb0c6deea6ddf3c6134655586e6bc0d2e8e2688ac8c9131c0f0ba04d9abadc893591884277f85b7c5e8c3
SHA1 hash: 9fc7c38a28915002c85835699c187bb7db9df974
MD5 hash: 5bd1928fd97a89c258b79c89b5886850
humanhash: massachusetts-saturn-west-jupiter
File name:nklmips
Download: download sample
Signature Mirai
Create hunting rule
File size:76'228 bytes
First seen:2026-01-06 00:43:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+94Xn4aNHqaVKLnqxvwT6a/Iv/+9v//RD3LnFDIXup7RxG:W44AHqaVFFu3LnFkXup6
TLSH T11973D8166E26CF6DF76C873647778E219788339227E0D642E16CED009E6034E645FFA8
telfhash t17501622c443803f1d7441dedabeeff76e59040ef46116f338d00f9665b116429901c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
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
DNS request
Runs as daemon
Receives data from a server
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/695c5adedb1b3f0505bdeeed/reports/29ee80bb-bd1d-4b93-829e-c102455a54df/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-05T22:32:00Z UTC
Last seen:
2026-01-05T22:55:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d5ff6a49-38c2-41ad-93cf-e9e2fb4a272b
Behavior Graph:
Download SVG
%3 guuid=e41306a0-1900-0000-007a-070aed080000 pid=2285 /usr/bin/sudo guuid=e1869fa1-1900-0000-007a-070af2080000 pid=2290 /tmp/sample.bin guuid=e41306a0-1900-0000-007a-070aed080000 pid=2285->guuid=e1869fa1-1900-0000-007a-070af2080000 pid=2290 execve guuid=7b8015a3-1900-0000-007a-070af6080000 pid=2294 /usr/bin/dash guuid=e1869fa1-1900-0000-007a-070af2080000 pid=2290->guuid=7b8015a3-1900-0000-007a-070af6080000 pid=2294 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/77ae924b-f27c-4014-bfbb-0b09c5610adc
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1845218
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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-06 00:44:15 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbzvlc7ytx6ava5ipmssuxbm54r7h7xsdthsdxh3pm673pjyaoua._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/260106-a3bc2sbj9v/
Behaviour
System Network Configuration Discovery
Changes its process name
Renames itself
Contacts a large (174226) 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/5f326e2d-c656-4cd2-9f29-54b8446203b5
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/b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8

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 b873558bf89dfc0a83a87b252a5c2cef23f3fef21ccf21dcfb7b3dfdbd3803a8

(this sample)

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

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