MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b33341da5aaa7fc329b6c3ea4a081672abd07a12ba2a1a697d1b13ffd9f2512e. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b33341da5aaa7fc329b6c3ea4a081672abd07a12ba2a1a697d1b13ffd9f2512e
SHA3-384 hash: 0a2d979b5892cc61de78a046ab2b7080d904a814ab14bbfe91d2e4528e5d736e1164f01bb4f6b39147cd38d86091290a
SHA1 hash: 1fad40a62a8b234bcf359a70b902e6a2ca810bce
MD5 hash: 7919f134692b0794535cd5817bdca0cc
humanhash: grey-mockingbird-virginia-thirteen
File name:kowai.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:73'516 bytes
First seen:2025-06-19 14:19:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Wp/T+YaNswRaNSCw1w08uhMEtHrRzIhF9+i1qF:Wp/TTaNVReieqtRkTaF
TLSH T17B733B95F4019E3CFA8FD6B9641A0D05B93023845FD34F27E2A6FDE36C72054AE26D86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

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

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

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

Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated opendir opendir
Link:
https://www.filescan.io/uploads/68541e7166c4b5c0b99b08f1/reports/69e4beaf-41d2-4e68-9363-71e04012f35d/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0644b747-c039-4805-8eb8-a6805b6b3266
Behavior Graph:
Download SVG
%3 guuid=900657a9-1800-0000-1ca0-f23c8f0b0000 pid=2959 /usr/bin/sudo guuid=7f70e1ab-1800-0000-1ca0-f23c920b0000 pid=2962 /tmp/sample.bin guuid=900657a9-1800-0000-1ca0-f23c8f0b0000 pid=2959->guuid=7f70e1ab-1800-0000-1ca0-f23c920b0000 pid=2962 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/733bd7ef-031c-4c84-b87f-1c7e8efb3dc5
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1718665
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1718665 Sample: kowai.m68k.elf Startdate: 19/06/2025 Architecture: LINUX Score: 96 26 kowai.crimson.rip 2->26 28 156.127.187.88 XNSTGCA United States 2->28 30 99 other IPs or domains 2->30 32 Suricata IDS alerts for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 4 other signatures 2->38 8 kowai.m68k.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 kowai.m68k.elf 8->16         started        process6 18 kowai.m68k.elf 16->18         started        20 kowai.m68k.elf 16->20         started        22 kowai.m68k.elf 16->22         started        24 kowai.m68k.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b33341da5aaa7fc329b6c3ea4a081672abd07a12ba2a1a697d1b13ffd9f2512e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b33341da5aaa7fc329b6c3ea4a081672abd07a12ba2a1a697d1b13ffd9f2512e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-06-19 14:22:04 UTC
File Type:
ELF32 Big (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmzudws2vj74gknwypveucawokv5a6qsxivbu2l5dmj77wpskexa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora linux
Link:
https://tria.ge/reports/250619-rsyh9stybv/
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-6981989-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/f3e18b79-6614-4b8e-b3a7-997c24f1e30a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b33341da5aaa7fc329b6c3ea4a081672abd07a12ba2a1a697d1b13ffd9f2512e

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 b33341da5aaa7fc329b6c3ea4a081672abd07a12ba2a1a697d1b13ffd9f2512e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3568287/
  
Delivery method
Distributed via web download

Comments