MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925
SHA3-384 hash: c1e292811c20fcb963fd68ab34d8fabb575ce4ba8c6f1961986dedd8fdf6faaef6279b69d6b773d8b10c75b434571912
SHA1 hash: f8c06ca7d8fc38fc5b48ff1a1c329269b19e4f62
MD5 hash: a9f19f08981037e35880af711784ef63
humanhash: king-freddie-burger-yellow
File name:kvariant.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:109'636 bytes
First seen:2025-10-23 23:52:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zFIFccecOKlWeqU7nj1hJmKUep7sB7PzY6YYf:AqU7nZ/mKF7W79YC
TLSH T19EB3B71B6F218FBDF269873047B74E25A75833C727E1D685D1ACD6101E6038D682FBA8
telfhash t1d621901c893823f097755d9d5bedfb76e59070df06226e3b8e00e8adab6d9415d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Exploit.Mirai-9798002-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/68fac005c85c5c5697344c68/reports/cff9628d-bf6e-45db-8a1e-52168f0a0f53/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-23T21:40:00Z UTC
Last seen:
2025-10-23T22:25:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d48485c3-c109-46d9-ae8d-bf764dc207a8
Behavior Graph:
Download SVG
%3 guuid=6e0cdb8c-1600-0000-e7c3-d764690c0000 pid=3177 /usr/bin/sudo guuid=581a998e-1600-0000-e7c3-d764700c0000 pid=3184 /tmp/sample.bin guuid=6e0cdb8c-1600-0000-e7c3-d764690c0000 pid=3177->guuid=581a998e-1600-0000-e7c3-d764700c0000 pid=3184 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/86c402be-ce9a-4d52-9eb4-7529d8c6a562
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1801013
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (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: 1801013 Sample: kvariant.mips.elf Startdate: 24/10/2025 Architecture: LINUX Score: 80 25 156.100.79.225, 37215 XNSTGCA United States 2->25 27 156.124.100.132 XNSTGCA United States 2->27 29 99 other IPs or domains 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Mirai 2->35 37 2 other signatures 2->37 9 kvariant.mips.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 kvariant.mips.elf 9->17         started        process6 19 kvariant.mips.elf 17->19         started        process7 21 kvariant.mips.elf 19->21         started        23 kvariant.mips.elf 19->23         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-23 23:53:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhjgr45m4rkj4loze6l3csgohtwocw5kgzr4q7mky2ef7wzrvesq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251023-3xkzhsbv4b/
Behaviour
System Network Configuration Discovery
Changes its process name
Contacts a large (36581) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-8041698-0
YARA:
n/a
Link:
https://app.threat.zone/submission/0a78ccdb-0b04-482c-8cd6-287507a1c3bb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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 b9d268f3ace4549e2dd92797b148ce3cece15baa3663c87d8ac6885fdb31a925

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3684799/
  
Delivery method
Distributed via web download

Comments