MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f818e5d00f488cd6859305e96bd29bfb22b1439f870017bd2d4a7460cf3fa3f. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f818e5d00f488cd6859305e96bd29bfb22b1439f870017bd2d4a7460cf3fa3f
SHA3-384 hash: 124957f39f8d8b339cd081da3fe21f88500f918e20a6da28f79250d3a20bce3dbf8e95055d4a8318a68f722036d69d50
SHA1 hash: 2e5bc8cf6653619813f6fc7b19644f821f5f285d
MD5 hash: 795e9547d1b17bef7ce02edef66b1ef0
humanhash: paris-twelve-fish-texas
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:55'712 bytes
First seen:2025-07-26 04:52:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:BezqP+aIlCXukeQuCUbjL3s1giMkS9bCX1yGKIIXkaModn8GTiCV3FReflvk8I:BeuP+VWz+jmU4KIIX3Lh9iCVovd
TLSH T1BD438E77C41A3E8CE05582B5B8248B741B93E9088287AFFE2667C5758047EACF7493F5
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68845f3513488cfd44d92f6e/reports/347ec088-93df-4b75-8410-c23308c204cc/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/cbad6575-5bc2-44d9-af4b-ca29aa08223a
Behavior Graph:
Download SVG
%3 guuid=b1ab4d87-1600-0000-9c19-8b08920c0000 pid=3218 /usr/bin/sudo guuid=ce63ad89-1600-0000-9c19-8b08930c0000 pid=3219 /tmp/sample.bin guuid=b1ab4d87-1600-0000-9c19-8b08920c0000 pid=3218->guuid=ce63ad89-1600-0000-9c19-8b08930c0000 pid=3219 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dcc3d9db-1ed1-4648-a0c6-8ee05fb5f0a8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1744510
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744510 Sample: sh4.elf Startdate: 26/07/2025 Architecture: LINUX Score: 72 18 bunnybot.ru. [malformed] 2->18 20 bunnybots.ru 83.229.17.45, 38241, 47036 SKYVISIONGB United Kingdom 2->20 22 3 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Connects to many ports of the same IP (likely port scanning) 2->30 8 sh4.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        signatures3 32 Sends malformed DNS queries 18->32 process4 process5 14 sh4.elf 8->14         started        process6 16 sh4.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f818e5d00f488cd6859305e96bd29bfb22b1439f870017bd2d4a7460cf3fa3f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f818e5d00f488cd6859305e96bd29bfb22b1439f870017bd2d4a7460cf3fa3f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-26 04:53:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6ay4xia6sem22czgbpjnpjjx6zcwfbz7byac66s2stumdht7i7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250726-fh2bmadm4w/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d023850d-03f0-4c59-ac50-a2472ed76993
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/4f818e5d00f488cd6859305e96bd29bfb22b1439f870017bd2d4a7460cf3fa3f

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 4f818e5d00f488cd6859305e96bd29bfb22b1439f870017bd2d4a7460cf3fa3f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3588654/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3585553/

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