MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31d22cb1050faa0328fe4f05f03f450bbaccdc4a983d85f058cee4296890280. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b31d22cb1050faa0328fe4f05f03f450bbaccdc4a983d85f058cee4296890280
SHA3-384 hash: 5ee7d92ba4aa2215d9abff71622696947ca888e34bf6a736269636376ffbb48a91a5cc7da87871c24a2c5c7453b033e7
SHA1 hash: efa27cd80e15c1ccada5a5c0de53702097df30ea
MD5 hash: e422f23c58693205126b154196d024d8
humanhash: high-fruit-princess-red
File name:jklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:55'492 bytes
First seen:2025-03-10 22:26:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4aJwtkqyhWm+jD4Cr30S7f5/ao2hCPOzXbBRc:4mMyMrY+h/a5h9zXY
TLSH T11E438DB7C82EADD4C50D1278A8318A756F13E10097561FF76A89C5E58043EACFA8D7F8
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cf67f00d1b39e3a208df12linux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67cf6749e95d0f9029e71369/reports/7a291c65-ed1f-4414-b926-4adbed48bbc8/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/794a7fe2-85d6-487e-be6e-abeff7e58131
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1634476
Signature
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1634476 Sample: jklsh4.elf Startdate: 11/03/2025 Architecture: LINUX Score: 52 18 watchmepull.dyn. [malformed] 2->18 20 203.147.211.129, 23, 46082 WEBCENTRAL-ASWebCentralAU Australia 2->20 22 100 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 jklsh4.elf 2->8         started        signatures3 26 Sends malformed DNS queries 18->26 process4 process5 10 jklsh4.elf 8->10         started        process6 12 jklsh4.elf 10->12         started        14 jklsh4.elf 10->14         started        16 jklsh4.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b31d22cb1050faa0328fe4f05f03f450bbaccdc4a983d85f058cee4296890280
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b31d22cb1050faa0328fe4f05f03f450bbaccdc4a983d85f058cee4296890280/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 22:27:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmosfsyqkd5kamup4tyf6a7ukc52ztoevgb5qxyfrtxeffujakaa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250310-2c66ks1wex/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d643bfbf-55a2-4f6a-ac89-82959c048530
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b31d22cb1050faa0328fe4f05f03f450bbaccdc4a983d85f058cee4296890280

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 b31d22cb1050faa0328fe4f05f03f450bbaccdc4a983d85f058cee4296890280

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3470187/
  
Delivery method
Distributed via web download

Comments