MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ff089d948485d80427159a548023d35cdaf54bae1f7de30fa099ee7886d965. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66ff089d948485d80427159a548023d35cdaf54bae1f7de30fa099ee7886d965
SHA3-384 hash: 1247d0c87140eafe3429363f24404d6fcf6c3a41c99209b0cfff6b48abf97a0409c1e8795e83495eabfc97c8bb23c3c4
SHA1 hash: 5a1f96839d1fe1bac2d8df7b2a91fc69c90cb730
MD5 hash: f132bf93a301283b32e275dc9762f36c
humanhash: failed-mexico-blossom-nevada
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:50'432 bytes
First seen:2025-08-16 20:05:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:1YKtk423OkVbM9eDNQq8+TGLWevwJ5vmFnpUNOpDv9tzQll:mK6n3OkVbKqSHwzmFpi2
TLSH T1E3333A5365D1C0FEC459C2706B6FA52ACA63F43E1236B98D27A03E267D4BE311F1B588
telfhash t1de213531386aac9473fbbe337352c5695d340e70a1e031e286f06de89f613450979837
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 :
38
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Mounts file systems
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Deleting of the original file
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c7fac1fb-5fa7-4c91-9dd1-139f8ac46c23
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1758472
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to access files in /etc/config/ (typical for OpenWRT routers)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758472 Sample: x86_64.elf Startdate: 16/08/2025 Architecture: LINUX Score: 84 29 61.45.70.26 XEPHIONNTT-MECorporationJP Japan 2->29 31 192.20.168.29 WORLDNET5-10US United States 2->31 33 98 other IPs or domains 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 9 x86_64.elf 2->9         started        12 dash rm 2->12         started        14 dash cat 2->14         started        16 8 other processes 2->16 signatures3 process4 signatures5 45 Sample deletes itself 9->45 47 Sample reads /proc/mounts (often used for finding a writable filesystem) 9->47 18 x86_64.elf 9->18         started        process6 process7 20 x86_64.elf 18->20         started        23 x86_64.elf 18->23         started        signatures8 43 Sample tries to access files in /etc/config/ (typical for OpenWRT routers) 20->43 25 x86_64.elf 20->25         started        27 x86_64.elf 20->27         started        process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66ff089d948485d80427159a548023d35cdaf54bae1f7de30fa099ee7886d965
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66ff089d948485d80427159a548023d35cdaf54bae1f7de30fa099ee7886d965/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 06:05:25 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=m37qrhmuqsc5qbbhcwnfjabd2nonv5klvypx3yypucm646eg3fsq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access defense_evasion discovery linux
Link:
https://tria.ge/reports/250816-yvlqtazly6/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads process memory
Deletes itself
Modifies Watchdog functionality
Contacts a large (76241) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1cb033f3 Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Mirai_95e0056c
Link:
https://app.threat.zone/submission/1f76e9f1-c76c-497a-af9d-5f6b1716e9cf
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/66ff089d948485d80427159a548023d35cdaf54bae1f7de30fa099ee7886d965

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_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_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1cb033f3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
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 66ff089d948485d80427159a548023d35cdaf54bae1f7de30fa099ee7886d965

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3604500/
  
Delivery method
Distributed via web download

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