MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
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SHA256 hash: a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6
SHA3-384 hash: 447f77f76c1478bfa482cf356912185852bb7636d2fbe7edd90efcd2d83bce0c58fe9a8705c66dfc113aaa3425c0403b
SHA1 hash: 3ac1df3b1bce2dbd1906f9dce94823d696378ce6
MD5 hash: 31e72bbebe69fb5bc4d76d9cd3e4b28d
humanhash: timing-butter-ten-michigan
File name:a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:109'568 bytes
First seen:2026-07-30 09:31:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5jG6h9PN6ZSfB0+y7naWuE/4DEg4K+9juLXUhBlMavVyh:5jG6nVqK+++F5QJ+NuY5vVyh
TLSH T114B34B01731C0B43D1575EF02E3B37D6C3EAE9E121F4BB49261EA74542B2AB2158AFC9
Magika elf
Reporter whack_sh
Tags:elf exe mirai whack.sh

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a7f44df3-2da2-4087-a7a7-1aa09852e244/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
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Unix.Dropper.Mirai-7135909-0
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Unix.Trojan.Mirai-7135916-0
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Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
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Unix.Dropper.Mirai-7135957-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
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Unix.Dropper.Mirai-7136028-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Trojan.Mirai-10012201-0
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Unix.Trojan.Mirai-10059006-0
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Unix.Trojan.Mirai-10059216-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
DNS request
Opens a port
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet mirai obfuscated
Link:
https://www.filescan.io/uploads/6a6b19f21dae827e4143485a/reports/b734a312-fef6-4548-8037-f9e82142f595/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d52a9bd0-6546-4891-9098-2883f023e46a
Behavior Graph:
Download SVG
%3 guuid=b9eae2b8-1800-0000-b186-d6383e0c0000 pid=3134 /usr/bin/sudo guuid=a4bed7bc-1800-0000-b186-d638400c0000 pid=3136 /tmp/sample.bin guuid=b9eae2b8-1800-0000-b186-d6383e0c0000 pid=3134->guuid=a4bed7bc-1800-0000-b186-d638400c0000 pid=3136 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/00ba8fd5-7c4c-4279-80d6-73ee7fe49e4a
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2026-07-30 09:31:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vepy5iag7n77upelozdogvxlyt5ss5qj4o3jhmlbzxislgh6khta._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet linux
Link:
https://tria.ge/reports/260730-lharkafa56/
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/a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6

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
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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: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 a91f8ea006fb7ffa3c8b7646e356ebc4fb297609e3b693b161cdd12598fe51e6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3875516/

Comments