MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b8830c094be7a83a2ffbf230c52483074c35fb7d9fd2d3d80f11dd9c7f4a2bb. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b8830c094be7a83a2ffbf230c52483074c35fb7d9fd2d3d80f11dd9c7f4a2bb
SHA3-384 hash: c12eeb2b26e0bdf6076827fdf25f436720642ef330bf9322e1bdd3afa2b048664910043971b141a7c8489d4d49c46700
SHA1 hash: f412647b4f9afe21b183fe113d725b9f988d9789
MD5 hash: 3e56dcab42361c5e4897e6cf0e34df36
humanhash: mockingbird-uniform-johnny-november
File name:system
Download: download sample
Signature Mirai
Create hunting rule
File size:79'920 bytes
First seen:2025-07-14 00:26:37 UTC
Last seen:2025-07-14 20:30:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:kvrKhWYj8aZBFp96qob6S5HdfcRA6DKUsjsWMQI4CEORibs4WA:kTaWYjftob6S5yRKUoMp4ZuA
TLSH T176738C62C62D0D68D21849B070A4EE31CB5381E68A572EF7F231C769A943DDDB225FF4
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 :
2
# of downloads :
17
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Dropper.Mirai-7640011-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated obfuscated remote
Link:
https://www.filescan.io/uploads/68744eed96dca66588508a0f/reports/feadc739-e4ec-4ab1-ac81-79b88f965689/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/15e824f4-f4a8-4c7f-a59a-b31a84bd1213
Behavior Graph:
Download SVG
%3 guuid=df6361a1-1600-0000-22e9-46c8b40c0000 pid=3252 /usr/bin/sudo guuid=ae18a6a3-1600-0000-22e9-46c8bb0c0000 pid=3259 /tmp/sample.bin guuid=df6361a1-1600-0000-22e9-46c8b40c0000 pid=3252->guuid=ae18a6a3-1600-0000-22e9-46c8bb0c0000 pid=3259 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f0d183e5-08fa-4a9b-9580-02bd787c29e5
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1735571
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735571 Sample: system.elf Startdate: 14/07/2025 Architecture: LINUX Score: 56 38 66.55.250.153 WINDSTREAMUS United States 2->38 40 71.20.45.234, 23 WINDSTREAMUS United States 2->40 42 98 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 9 system.elf 2->9         started        signatures3 process4 process5 11 system.elf 9->11         started        13 system.elf 9->13         started        process6 15 system.elf sh 11->15         started        17 system.elf sh 11->17         started        19 system.elf sh 11->19         started        21 59 other processes 11->21 process7 23 sh killall 15->23         started        26 sh killall 17->26         started        28 sh killall 19->28         started        30 sh killall 21->30         started        32 sh killall 21->32         started        34 sh killall 21->34         started        36 56 other processes 21->36 signatures8 48 Terminates several processes with shell command 'killall' 23->48
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3b8830c094be7a83a2ffbf230c52483074c35fb7d9fd2d3d80f11dd9c7f4a2bb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b8830c094be7a83a2ffbf230c52483074c35fb7d9fd2d3d80f11dd9c7f4a2bb/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-14 00:27:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hoedbqeuxz5ihix7x4rqyusigb2mgx5x3h6s2pma6eo5tr7uuk5q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton linux
Link:
https://tria.ge/reports/250714-arxrxawpt4/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bade6d58-bff4-4556-a666-ae6dd3ac9685
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/3b8830c094be7a83a2ffbf230c52483074c35fb7d9fd2d3d80f11dd9c7f4a2bb

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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 3b8830c094be7a83a2ffbf230c52483074c35fb7d9fd2d3d80f11dd9c7f4a2bb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576546/
  
Delivery method
Distributed via web download

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