MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7
SHA3-384 hash: 10ef8ba04e403d616e8148ca7431ab7a38cf01e93fce7602d4cc91160825d1d5202026a9a19b9370b616a7d3195b0e5d
SHA1 hash: f0c6041cb338b62aacb7db8d3552ee32239e4f7b
MD5 hash: cf5c01c4c1e2dcbaedd11ad599016da4
humanhash: lemon-lemon-magazine-four
File name:nova.m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:89'180 bytes
First seen:2025-12-17 18:24:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vuTnKMkDnfMe7c11xp45GCcOf851hLT68ounyj/8grmxL5otTosuX:vinKjWa5GCcO2h5oayzW5otTJuX
TLSH T101933B87F801EE7EF40BD6BA44E7091A7530B7610E530B6AB657BDD7A9320D43852F81
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/4a88a8bc-47b5-41f7-92b1-39214b99d3e0/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

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

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

Unix.Dropper.Mirai-7135898-0
Create hunting rule

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

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

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

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

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

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

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-17T16:35:00Z UTC
Last seen:
2025-12-18T12:48:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/14c022bf-afd0-4381-80e5-65d768f60348
Behavior Graph:
Download SVG
%3 guuid=c988c296-1f00-0000-56ba-5ce8d30a0000 pid=2771 /usr/bin/sudo guuid=f4f48798-1f00-0000-56ba-5ce8d80a0000 pid=2776 /tmp/sample.bin guuid=c988c296-1f00-0000-56ba-5ce8d30a0000 pid=2771->guuid=f4f48798-1f00-0000-56ba-5ce8d80a0000 pid=2776 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e205c8ed-1ad6-4f34-8779-dc2839f5a50e
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1835171
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835171 Sample: nova.m68k.elf Startdate: 17/12/2025 Architecture: LINUX Score: 72 55 209.21.249.98, 23 XO-AS15US United States 2->55 57 13.25.100.185, 23 XEROX-WVUS United States 2->57 59 100 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Okiru 2->63 8 nova.m68k.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 72 other processes 2->14 signatures3 process4 signatures5 17 nova.m68k.elf 8->17         started        19 nova.m68k.elf 8->19         started        22 nova.m68k.elf 8->22         started        30 6 other processes 10->30 24 gpu-manager sh 12->24         started        26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        32 2 other processes 12->32 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->73 34 13 other processes 14->34 process6 signatures7 36 nova.m68k.elf 17->36         started        49 4 other processes 17->49 65 Sample tries to kill a massive number of system processes 19->65 67 Sample tries to kill multiple processes (SIGKILL) 19->67 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        51 6 other processes 30->51 45 sh grep 32->45         started        47 sh grep 32->47         started        53 5 other processes 34->53 process8 signatures9 69 Sample tries to kill a massive number of system processes 36->69 71 Sample tries to kill multiple processes (SIGKILL) 36->71
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 18:07:57 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=wbamizlbdauhoqlywlka2ycganjmeh73aqgawcdzgx3whjb7zddq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora linux
Link:
https://tria.ge/reports/251217-w3j6vaxrc1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/dfaf3ba5-35cc-41fb-a7f0-c286f016b365
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/b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
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 b040c465611828774178b2d40d60460352c21ffb040c0b087935f763a43fc8c7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735619/
  
Delivery method
Distributed via web download

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