MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4
SHA3-384 hash: e1157f5fa56863a340dffc739a4e3585cd7378f23a2dfe6862faf88f0079ab3c1d06ec297aa8cc888c92463f1237e260
SHA1 hash: 97d7b23b27163d70e2f44efa02b5925e028aa7a3
MD5 hash: 1bf3a2eaf82b1443ef909aeca8ab1174
humanhash: golf-montana-table-idaho
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:168'624 bytes
First seen:2025-08-05 23:41:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:R4yTCVxtHQXeHJfwEtkr1p10/1D1rnAGJjz/Z+UjE2L2gc:RCVxtors3lXEo2gc
TLSH T1B8F36B0774C0E4FDC8D9C1788BEFA22AD932F0496234725F27C4AE266E9DF216B5D650
telfhash t18e51cab43d963a9861f3f776730ed549f83108612ae671d0de3b6af5cd56b840d32422
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 :
36
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-10056448-0
Create hunting rule

Unix.Trojan.Mirai-10056452-0
Create hunting rule

Unix.Trojan.Mirai-10056453-0
Create hunting rule

Unix.Trojan.Mirai-10056456-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Sets a written file as executable
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
threat
Link:
https://www.filescan.io/uploads/689296e2167d60d98ab59ff4/reports/6cd33fc4-afa9-4218-8237-ee3741541fc3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
135
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f6f6f62c-f71b-4612-8aa6-33cc3244494f
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1750954
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750954 Sample: x86_64.elf Startdate: 06/08/2025 Architecture: LINUX Score: 100 36 92.113.21.114, 39748, 5050 UKRTELNETUA Ukraine 2->36 38 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for dropped file 2->44 46 4 other signatures 2->46 11 x86_64.elf 2->11         started        13 gnome-session-binary sh gsd-print-notifications 2->13         started        15 systemd journalctl 2->15         started        17 43 other processes 2->17 signatures3 process4 process5 19 x86_64.elf 11->19         started        process6 21 x86_64.elf 19->21         started        file7 32 /var/main, ELF 21->32 dropped 34 /etc/init.d/xs.main, POSIX 21->34 dropped 48 Sample tries to set files in /etc globally writable 21->48 50 Drops files in suspicious directories 21->50 52 Sample deletes itself 21->52 25 x86_64.elf 21->25         started        signatures8 process9 process10 27 x86_64.elf 25->27         started        process11 29 x86_64.elf 27->29         started        signatures12 54 Sample tries to kill multiple processes (SIGKILL) 29->54
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-05 23:45:47 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ddzsbdur34cfu3ppb5dtnpveoqn7kod3qu3nmehbitekhxdm5p2a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence
Link:
https://tria.ge/reports/250805-3p7tbaak9v/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Malicious
Tags:
trojan 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
Link:
https://app.threat.zone/submission/02d81c24-9b81-4b87-82d1-ccf545dd6f76
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4

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: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 18f3208e91df045a6def0f4736bea4741bf5387b8536d610e144c8a3dc6cebf4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587330/
  
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