MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments
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SHA256 hash: 66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531
SHA3-384 hash: 6a33c927592663de946bf761db1b9f55c6ed32cfdfa79c3bf8c6cd6c6fe99a3296e93084b4284871b0097375051383cb
SHA1 hash: d50160ee7f3284feca74ed580a3116d073921693
MD5 hash: d8050ec173b9eaa91901d380896623ef
humanhash: alpha-apart-fourteen-xray
File name:morte.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:120'564 bytes
First seen:2025-11-12 00:20:53 UTC
Last seen:2025-11-13 02:35:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:g/aoKX4+9PzsEd9q2Jhap6P/m8LKcvVz7MhoumCA0V5RZFm2mkU7yiBB:gpKX4+1wohGa//ucRkoumUb4lB
TLSH T16AC3AE92D4302C98C2244678B4F5CE795333DC226197ADF122A7CA799847EDDBE2D3B4
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 :
185
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136017-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Generic-9910198-0
Create hunting rule

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

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6913d2fb935d9f0d73ce8ea8/reports/000f6c5c-4e2a-4e89-88a2-01b0a9d5bfb1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-11T21:24:00Z UTC
Last seen:
2025-11-11T22:12:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.Vacron.a HEUR:Exploit.Linux.CVE-2018-10561.a HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.Netgear.b HEUR:Exploit.Linux.DLink.a HEUR:Backdoor.Linux.Mirai.ii HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/5d495d5b-f79a-44ec-abd5-2423f4165cb0
Behavior Graph:
Download SVG
%3 guuid=1356b0a4-1600-0000-c19b-4ab8c30c0000 pid=3267 /usr/bin/sudo guuid=c5499ea6-1600-0000-c19b-4ab8c80c0000 pid=3272 /tmp/sample.bin guuid=1356b0a4-1600-0000-c19b-4ab8c30c0000 pid=3267->guuid=c5499ea6-1600-0000-c19b-4ab8c80c0000 pid=3272 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a22d8b75-142d-4fb9-a661-52c9d2995c43
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1812386
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1812386 Sample: morte.sh4.elf Startdate: 12/11/2025 Architecture: LINUX Score: 100 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->41 43 2 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 3 other signatures 2->51 9 morte.sh4.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 file5 37 /usr/local/bin/infinitd, ELF 9->37 dropped 18 morte.sh4.elf 9->18         started        20 morte.sh4.elf 9->20         started        22 morte.sh4.elf sh 9->22         started        24 morte.sh4.elf sh 9->24         started        process6 process7 26 morte.sh4.elf 18->26         started        29 morte.sh4.elf 20->29         started        31 sh 22->31         started        33 sh 24->33         started        signatures8 53 Manipulation of devices in /dev 26->53 55 Deletes system log files 26->55 35 morte.sh4.elf 29->35         started        process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-12 00:21:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=my4z62kzktnxx6i6pzjop2hrgmnu4d5qsfqqywzcutarok4ueuyq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251112-anfzzsdp7t/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/3e7e5b4b-7b71-419a-9a77-f7b439267374
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/66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531

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_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 66399f695954db7bf91e7e52e7e8f1331b4e0fb091610c5b22a4c1172b942531

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3697427/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3697760/
  
URLhaus
https://urlhaus.abuse.ch/url/3702563/
  
URLhaus
https://urlhaus.abuse.ch/url/3702528/
  
URLhaus
https://urlhaus.abuse.ch/url/3702518/

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