MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423a748638ea1d72a76be855d13b64adffd12fb01551781ba4a1565b278eaa65. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments

SHA256 hash: 423a748638ea1d72a76be855d13b64adffd12fb01551781ba4a1565b278eaa65
SHA3-384 hash: eafb478f63dc7b26ab2c46e2f3d623e9bffe7bdb17bba5cdcb840b5b63d29c954aa05962cf217e7f89c728d839f2e62d
SHA1 hash: 39e370d616efc17451f9a245d1d245a7fb4e9f7a
MD5 hash: 189aaa1c92cf55dc9083e1a259a6ac4f
humanhash: earth-gee-music-jupiter
File name:bot
Download: download sample
Signature Mirai
File size:1'293'184 bytes
First seen:2026-07-11 14:18:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:COTojZGXSSz1M18YARgnJ08yTnCRqq2oAd4m:CzdGXSKK18YARgnJ79qqhm
TLSH T122557D57B2B370FDC067C030835BCB62A936F46545326E7B35C4D6342EA2EA41B29F66
telfhash t1ee21eee48a3a14276fd0989048ee676320cc2a41df5d9eb9d678914c8e240f1d97bdee
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 BlinkzSec
Tags:gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Opens a port
Deletes a file
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite gcc mirai
Verdict:
Adware
File Type:
elf.64.le
First seen:
2026-07-11T11:42:00Z UTC
Last seen:
2026-07-11T12:30:00Z UTC
Hits:
~10
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-07-11 14:15:57 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
Deletes log files
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes system logs
Contacts a large (217360) amount of remote hosts
Creates a large amount of network flows
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:ldpreload
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:malwareelf55503
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 423a748638ea1d72a76be855d13b64adffd12fb01551781ba4a1565b278eaa65

(this sample)

  
Delivery method
Distributed via web download

Comments