MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5b81a46131b595fed389f33355b279582c443b444d72fe0dd7f8d334a33760a. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5b81a46131b595fed389f33355b279582c443b444d72fe0dd7f8d334a33760a
SHA3-384 hash: c394bd0a4f32db2224d804b706958188960569df0fce9dfc947b12de74d5c48c45cb2c2ce7854b0863f725cb20c4fc97
SHA1 hash: 43ba6dc3a6a3c80556ae594a7d9b70d620e5452f
MD5 hash: 026fa539bdc6ecbf12200e1f3bb1c125
humanhash: dakota-orange-victor-bluebird
File name:mipsel
Download: download sample
Signature Mirai
Create hunting rule
File size:66'804 bytes
First seen:2025-06-11 21:12:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zciar7lfVUHMr0MAkaclOCuj03hc+A/2/8:4lr7bUHMoMAk7ug3hc+A1
TLSH T1A063760ABF614FF7E8ABDDB745F94701248C681B21993BB9B870E464B34648F05E39B4
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 :
77
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Mirai-CYQ.31005.1684.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6849f1838bd5d68a12e7d75blinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c5b81a46131b595fed389f33355b279582c443b444d72fe0dd7f8d334a33760a
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/78466cd9-3c6f-4736-844b-b6b7c9515c61
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1712712
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c5b81a46131b595fed389f33355b279582c443b444d72fe0dd7f8d334a33760a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5b81a46131b595fed389f33355b279582c443b444d72fe0dd7f8d334a33760a/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-11 21:13:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yw4burqtdnmv73jyt4ztkwzhswbmiq5uitls7yg5p6gtgsrtoyfa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250611-z2y56afm7y/
Behaviour
System Network Configuration Discovery
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d47f7c75-1395-487f-9cc6-b4a0ceadf4ea
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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 c5b81a46131b595fed389f33355b279582c443b444d72fe0dd7f8d334a33760a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560603/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532701/
  
URLhaus
https://urlhaus.abuse.ch/url/3560583/
  
URLhaus
https://urlhaus.abuse.ch/url/3548130/
  
URLhaus
https://urlhaus.abuse.ch/url/3560592/
  
URLhaus
https://urlhaus.abuse.ch/url/3560562/
  
URLhaus
https://urlhaus.abuse.ch/url/3560589/
  
URLhaus
https://urlhaus.abuse.ch/url/3560579/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments