MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a
SHA3-384 hash: 2f187447c0aafc78b608590c44f7520ace84a6a385eae180f6adba5c6776cca2d07887143a4e06e34fd4e33049c7b726
SHA1 hash: 7b5539bdea62c788a6a54db5c2a33aa0414a3946
MD5 hash: 1849437ccc662c9a81acb062a23ece3a
humanhash: twenty-rugby-kilo-louisiana
File name:m68k
Download: download sample
Signature Mirai
Create hunting rule
File size:91'392 bytes
First seen:2025-12-17 13:46:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fzxihxH22IgbTEcicmSdCiQnzWxRL4pnmWN8f+SQeuacWjcW0JcWcBq16s2x5NCW:fzMH22rXiienxSQeuacWjcW0JcWcBq6F
TLSH T109934BD6B400DE7EF84FEABA4C534B08A571F3710A430F369BA7BD67A9250543D4AD82
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
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/39d5a14e-985c-4258-88e4-1f0975514788/
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-11.UNOFFICIAL
Create hunting rule

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

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

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

Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-17T10:51:00Z UTC
Last seen:
2025-12-19T00:17:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b217d11d-770d-4452-9bd3-823a91f4702e
Behavior Graph:
Download SVG
%3 guuid=d1f1899b-1800-0000-618f-c57c670e0000 pid=3687 /usr/bin/sudo guuid=4df36b9e-1800-0000-618f-c57c6f0e0000 pid=3695 /tmp/sample.bin guuid=d1f1899b-1800-0000-618f-c57c670e0000 pid=3687->guuid=4df36b9e-1800-0000-618f-c57c6f0e0000 pid=3695 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/90efc443-fd54-45cb-8a5a-f1108ea2074b
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1834815
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1834815 Sample: m68k.elf Startdate: 17/12/2025 Architecture: LINUX Score: 48 30 Multi AV Scanner detection for submitted file 2->30 8 m68k.elf 2->8         started        10 python3.8 dpkg 2->10         started        process3 process4 12 m68k.elf 8->12         started        14 m68k.elf 8->14         started        16 m68k.elf 8->16         started        process5 18 m68k.elf iptables 12->18         started        20 m68k.elf iptables 12->20         started        22 m68k.elf iptables 12->22         started        26 30 other processes 12->26 24 m68k.elf 14->24         started        process6 28 m68k.elf 24->28         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 13:46:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qh3coolmqlo3te4wytlnfkwfc4rdb5tukatcvpn67edhq3j4f45a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251217-q25hhawjgz/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c802ea74-c113-4c53-969f-5284070f6f44
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/81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a

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: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 81f627396c82ddb99396c4d6d2aac5172230f67450262abdbef906786d3c2f3a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726937/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726967/

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