MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5. 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: 9


Intelligence 9 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5
SHA3-384 hash: ac8cc7fd3c9c522a9735c228b3c1f6b343d87b414a040c6aae01495acb8489378568b299e245111cd3ced2e8663c12cc
SHA1 hash: 4516f79d1c6deb5e91b9f8d845390b8b316b9309
MD5 hash: 51c5c224879fa6752e319139b545a793
humanhash: nineteen-king-green-william
File name:nz.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:156'992 bytes
First seen:2026-07-25 00:26:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:+2JG2CYTcYpA5C7gMtspYX29A8uXENQDw/HKK9t/w+T+7oywvyMiRZtkpUptH/t1:LJG2CYTcYpA5C7gMtspYX29A8uXENQDZ
TLSH T161E3D61E7E618F3CFBE9823047B79E26975833D636D1D595D1ACE6001E2028E641FFA4
telfhash t1be115b1c497822f09b751c9d6beeff72e59070ef06266d378e40e96daa6d9419e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 3edda772f2cd053ca6fe316444e6ba4e4a6f826eb84845ea27a8f3fc4b78b18f
File size (compressed) :51'068 bytes
File size (de-compressed) :156'992 bytes
Format:linux/mips
Packed file: 3edda772f2cd053ca6fe316444e6ba4e4a6f826eb84845ea27a8f3fc4b78b18f

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f25e3b31-cdf4-47d8-8b8a-5a0d3e549602/
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.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6a6402bee3acab8e702e2e05/reports/fe9b7110-b4cf-49c0-b117-5fa557413502/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
37
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-07-24T22:06:00Z UTC
Last seen:
2026-07-26T18:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f3a66cf1-7d7d-46f9-bee1-649431f46983
Behavior Graph:
Download SVG
%3 guuid=1a833122-1900-0000-973b-181798080000 pid=2200 /usr/bin/sudo guuid=50bee624-1900-0000-973b-18179f080000 pid=2207 /tmp/sample.bin guuid=1a833122-1900-0000-973b-181798080000 pid=2200->guuid=50bee624-1900-0000-973b-18179f080000 pid=2207 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/69783d17-1cc5-4bb7-b77f-6e619f6b64ec
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-25 00:27:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6qfzjgnq4nfhp5oqdkfk7wryrimy3eh6waogw2yflk2jqvslj3kq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet
Link:
https://tria.ge/reports/260725-arh9hsxakd/
Malware Config
C2 Extraction:
jhdfytf745.ddns.net
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/f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 3edda772f2cd053ca6fe316444e6ba4e4a6f826eb84845ea27a8f3fc4b78b18f

Mirai

elf f40b9499b0e34a77f5d01a8aafda388a198d90feb01c6b6b055ab498564b4ed5

(this sample)

  
Dropped by
SHA256 3edda772f2cd053ca6fe316444e6ba4e4a6f826eb84845ea27a8f3fc4b78b18f
  
URLhaus
https://urlhaus.abuse.ch/url/3887339/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3703d24aeabc43f7a6c45d8d5dc2c3e4

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