MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d
SHA3-384 hash: 344eaebb3c1f97a2b130e19109925c3deed5f923c4bd912798786aa3cc4e341af4a0dd337e024fd356bd8a4fd3f581bf
SHA1 hash: 61979b302517de41d391c2658ab74c879f78150c
MD5 hash: a7af5b7e6146b41f27860ecd3fb492ea
humanhash: network-coffee-carpet-oxygen
File name:m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:97'580 bytes
First seen:2026-01-05 01:52:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:O5KxIwWb1Exo482gvwxE/yK28G4iUvji9+hDeLEofC5Sgaux6VWxgT:OgxIwg1ExwwS/yK28GWjc+ZV5Sgrx6gm
TLSH T1A69319D7F840FEBDF809D7774593081AB230ABB149835AB63617296AEC361D44837F86
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
123
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1b055099-102e-41eb-8e6c-a89f8a32ded0/
Detection(s):
Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

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

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

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/695b1986127d6a14e0cfe4f4/reports/b6fa61ef-664f-4f3a-b0b3-78caac42b8f2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-04T22:01:00Z UTC
Last seen:
2026-01-04T22:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/69f8c1f2-b7e6-4c83-ba80-143bfc8ec9e0
Behavior Graph:
Download SVG
%3 guuid=1b943403-1900-0000-1f2d-c9519b060000 pid=1691 /usr/bin/sudo guuid=dd5de305-1900-0000-1f2d-c951a4060000 pid=1700 /tmp/sample.bin guuid=1b943403-1900-0000-1f2d-c9519b060000 pid=1691->guuid=dd5de305-1900-0000-1f2d-c951a4060000 pid=1700 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/050c20c8-9eb1-483e-bbe4-4c04e72481ea
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1844686
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844686 Sample: m68k.elf Startdate: 05/01/2026 Architecture: LINUX Score: 80 39 91.208.206.49, 6699 ALEXHOSTMD unknown 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Gafgyt 2->43 45 Yara detected Mirai 2->45 10 m68k.elf 2->10         started        12 systemd rsyslogd 2->12         started        15 gnome-session-binary sh gnome-shell 2->15         started        17 20 other processes 2->17 signatures3 process4 file5 19 m68k.elf 10->19         started        37 /var/log/kern.log, ASCII 12->37 dropped process6 signatures7 47 Sample deletes itself 19->47 22 m68k.elf 19->22         started        process8 process9 24 m68k.elf 22->24         started        27 m68k.elf 22->27         started        signatures10 49 Manipulation of devices in /dev 24->49 51 Deletes system log files 24->51 29 m68k.elf 24->29         started        31 m68k.elf 24->31         started        33 m68k.elf 24->33         started        35 73 other processes 24->35 53 Sample tries to kill multiple processes (SIGKILL) 27->53 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-05 00:09:07 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqdcrlb32kztknmvroiftvqwauia5hcjlwaroiul2lhos4dlwj6q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai linux
Link:
https://tria.ge/reports/260105-ca8h7ahk4v/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bdfca41e-d6be-48a6-951c-ff5b1a984548
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/740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 740628ac3bd2b33535958b9059d61605100e9c495d8117228bd2cee9706bb27d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3750357/
  
Delivery method
Distributed via web download

Comments