MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870
SHA3-384 hash: 48803ce4f56a3ff197d83f85161d86e4c3aac754919590c7bce71d3de9d3e0dacb900510b7f2e185e768aafe46601e8d
SHA1 hash: 5f83dbe68715b62b384ce8f1d794b8f0b6991c4d
MD5 hash: d4ff6223c62909b5b0f2065b8b2452e4
humanhash: mockingbird-batman-oregon-gee
File name:arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:34'836 bytes
First seen:2026-02-07 07:17:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jmQGvVxptgG58LFSPQzfqa4eHHWCLJk1J92z9Df5Bqn3Sq/NkA:irxpCG587fqnGV88L3q3Sq
TLSH T157F2D691BC81962BC2E4237AA6AE018E337177ECC2CFB62BCC115F14768596F0D67B51
telfhash t1a2e07d00fc74871c58db9a74ddcd07b49500220260174b10cf10d6f0c83f444e30cd5e
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 :
65
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/f04cd14c-0ef2-4a05-b51c-ee94caefa5df/
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/6986e6fa930564ff3c90bb94/reports/a841c2d8-8e2d-47cf-bda5-e37dc4254200/overview
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ab3fb3e-6d3c-45c5-a0a9-1bbea8790e33
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1865125
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865125 Sample: arm5.elf Startdate: 07/02/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 arm5.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-07 07:17:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hod2fdtfshns6zkc2l6xcqo46zyxper2anjci7apopewjmelzbya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260207-h4gkfsgw3d/
Malware Config
C2 Extraction:
160.30.159.104
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/3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870

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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 3b87a28e6591db2f6542d2fd7141dcf67177923a0352247c0f73c964b08bc870

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3772858/
  
Delivery method
Distributed via web download

Comments