MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc
SHA3-384 hash: bd62c0655d8fd714e3460a8c7f9fbaeb4422e7dee56cafebd7f91fa772d74a6a22afda657589346beb5e7f62c5641e7c
SHA1 hash: 6f4d4aa61b22fd9133bff26e66d31835d31fc24d
MD5 hash: bea24b50f6f3a8a5b0109289df27399f
humanhash: bluebird-lithium-tango-floor
File name:nz.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:108'148 bytes
First seen:2026-07-09 13:24:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:1d5qGekwumbRajd24WUeB2MNdfebx/S3HMIK:v5qGek6bRaj4DBXGJS3HMIK
TLSH T10AB34BC4E243D0F9DC560534213AFB379A73E5BF212DDA43D3A49AB26C96AC1D80679C
telfhash t12131d1fcb2770ce45bc09902f58e8b22cd0d7b2b296076a345b26924326755243bfc38
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a
File size (compressed) :47'016 bytes
File size (de-compressed) :108'148 bytes
Format:linux/i386
Packed file: 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9c211258-f048-46ff-b9c2-105d9b6350fc/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.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
DNS request
Sends data to a server
Opens a port
Connection attempt
Runs as daemon
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6a4fa1534ba51b60a35163ea/reports/c8d87887-f7d8-4c87-a93c-cc8a999f4425/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-09T07:49:00Z UTC
Last seen:
2026-07-11T02:40:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3a8884a3-1252-4763-b1a4-b4057fd0d43c
Behavior Graph:
Download SVG
%3 guuid=fd613e33-1a00-0000-a948-f88b0a0d0000 pid=3338 /usr/bin/sudo guuid=4241eb35-1a00-0000-a948-f88b130d0000 pid=3347 /tmp/sample.bin net guuid=fd613e33-1a00-0000-a948-f88b0a0d0000 pid=3338->guuid=4241eb35-1a00-0000-a948-f88b130d0000 pid=3347 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4241eb35-1a00-0000-a948-f88b130d0000 pid=3347->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=40603b36-1a00-0000-a948-f88b140d0000 pid=3348 /tmp/sample.bin guuid=4241eb35-1a00-0000-a948-f88b130d0000 pid=3347->guuid=40603b36-1a00-0000-a948-f88b140d0000 pid=3348 clone guuid=61ca6062-1b00-0000-a948-f88bc50f0000 pid=4037 /tmp/sample.bin guuid=4241eb35-1a00-0000-a948-f88b130d0000 pid=3347->guuid=61ca6062-1b00-0000-a948-f88bc50f0000 pid=4037 clone guuid=b8db6662-1b00-0000-a948-f88bc60f0000 pid=4038 /tmp/sample.bin net send-data zombie guuid=4241eb35-1a00-0000-a948-f88b130d0000 pid=3347->guuid=b8db6662-1b00-0000-a948-f88bc60f0000 pid=4038 clone guuid=c3b84036-1a00-0000-a948-f88b160d0000 pid=3350 /tmp/sample.bin guuid=40603b36-1a00-0000-a948-f88b140d0000 pid=3348->guuid=c3b84036-1a00-0000-a948-f88b160d0000 pid=3350 clone guuid=097b4836-1a00-0000-a948-f88b170d0000 pid=3351 /tmp/sample.bin dns net send-data zombie guuid=40603b36-1a00-0000-a948-f88b140d0000 pid=3348->guuid=097b4836-1a00-0000-a948-f88b170d0000 pid=3351 clone guuid=097b4836-1a00-0000-a948-f88b170d0000 pid=3351->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 276B 9eb298c6-8c2a-59dd-bee6-906b298ff0f3 oqwlkbwl3wt65gwskl.hopto.org:69 guuid=097b4836-1a00-0000-a948-f88b170d0000 pid=3351->9eb298c6-8c2a-59dd-bee6-906b298ff0f3 send: 4B guuid=b8db6662-1b00-0000-a948-f88bc60f0000 pid=4038->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=b8db6662-1b00-0000-a948-f88bc60f0000 pid=4038->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/09444f7e-5d4b-47a2-9779-0919d425bd1e
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-09 13:25:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rivigxk7bjgh4ljbpugw7fw2eqoshgkwp3zw3sdyelgbmqdilw6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/260709-qpa35acs9t/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
oqwlkbwl3wt65gwskl.hopto.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc

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_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_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
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 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a

Mirai

elf 8a2a835d5f0a4c7e2d217d0d6f96da241d2399567ef36dc87822cc1640685dbc

(this sample)

  
Dropped by
SHA256 40e83008c5442f1faff8e0a0b5b9dbdd1c745aacc90c838adae015e0cd0c031a
  
URLhaus
https://urlhaus.abuse.ch/url/3878048/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 6bfacd3e9da3b40ea8646299df6bbb3e

Comments