MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571
SHA3-384 hash: e5b7a540dbb135909fc3123f454dbab9b5cec2d9060d3bff5f6934e39bb097bb7dbce25aff2b5ea5849eb2b8b778f494
SHA1 hash: f36495b6bc8775d41300ab2d72a8d8cd19af6a04
MD5 hash: 187df3cff6acc4e0e3ecce7a00ea12fd
humanhash: football-six-lion-mango
File name:ssh
Download: download sample
Signature Mirai
Create hunting rule
File size:90'184 bytes
First seen:2025-07-18 05:44:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:cXNoKOI1aNsub85iW1l5j+5T+96ng1w65augi3fuIj3DGMRu:c2Z/d85i8D2y96ng/5au93TbaME
TLSH T151935A13E08180FCC4E9D1B816AFB232E923F03E5276B54B77C4AF166E5DD602B6E615
telfhash t10a317b3419ee1860a1f7ab597351f0b848611d6524f13de2ceb764f2df217901c764bb
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 :
23
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the OS
Receives data from a server
Opens a port
Kills processes
Collects information on the CPU
Runs as daemon
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6879df7519132d984882797b/reports/b3dc8db6-1b9a-425f-8371-ca17a82bf6c1/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
18
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
vbot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cef8352d-49ab-430b-ae76-1e4967735bdb
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1739363
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
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: 1739363 Sample: ssh.elf Startdate: 18/07/2025 Architecture: LINUX Score: 64 47 45.161.156.28 masternetltda-meBR Brazil 2->47 49 133.134.13.101, 23 XEPHIONNTT-MECorporationJP Japan 2->49 51 98 other IPs or domains 2->51 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Connects to many ports of the same IP (likely port scanning) 2->59 10 ssh.elf 2->10         started        12 xfce4-session xfwm4 2->12         started        14 dash rm 2->14         started        16 6 other processes 2->16 signatures3 process4 process5 18 ssh.elf 10->18         started        process6 20 ssh.elf 18->20         started        22 ssh.elf 18->22         started        process7 24 ssh.elf sh 20->24         started        26 ssh.elf sh 20->26         started        28 ssh.elf sh 20->28         started        30 60 other processes 20->30 process8 32 sh killall 24->32         started        35 sh killall 26->35         started        37 sh killall 28->37         started        39 sh killall 30->39         started        41 sh killall 30->41         started        43 sh killall 30->43         started        45 57 other processes 30->45 signatures9 53 Terminates several processes with shell command 'killall' 32->53
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-18 05:45:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3cxjflkjn6ykzksqbkxm7mpvzogyvtlph3af6s2jv7gmr36yvyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery linux
Link:
https://tria.ge/reports/250718-gfxfbsvrv2/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (149035) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Link:
https://app.threat.zone/submission/a30a417a-fa7b-4e7b-b9aa-f129a8cae4b8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571

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:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b6c574956a4b7d8565528055767d8fae5c6c566b79f602fa5a4d7e66477ec571

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3584474/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3576535/
  
URLhaus
https://urlhaus.abuse.ch/url/3584487/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments