MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfcda4dbc002a66b3033b95f9d684a8170286d539d89d431ec6ae5afcfaea784. 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

SHA256 hash: cfcda4dbc002a66b3033b95f9d684a8170286d539d89d431ec6ae5afcfaea784
SHA3-384 hash: 5ebf6bad518f54ce3a9367c15cdebd0e8f46632dc6a46c0641d45462f1ba00c2771bd55ab70f9ef89fa8199c1be92c42
SHA1 hash: 8d1d359f7d3361e5466d328c4553748b73c4dde5
MD5 hash: 7d04103df3d9d8027e31b41ec8399102
humanhash: king-tennessee-nebraska-missouri
File name:armv5l
Download: download sample
Signature Mirai
File size:161'292 bytes
First seen:2025-04-12 23:21:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:AByAgRFqX2RBHI7DUsz6X7rzlbLPv0CR/AXmDDOYU/SQzMKiqih:rrT2UsGrvlbLPMizDDOYU/SQzMKiqih
TLSH T187F3E770EA04832BC2D377BAEB5D028D3F351E9777EB3B115A34397427E57A42A2A510
telfhash t1f5311212583516291fb2983cac6c66a3106d3623e3542eb1ef29c5cc05360e3e97ee0f
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 :
210
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Network.LightAidra
Status:
Malicious
First seen:
2025-04-12 23:22:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  3/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
Contacts a large (71174) 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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_dedsec
Author:NDA0E
Description:dedsec botnet
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 cfcda4dbc002a66b3033b95f9d684a8170286d539d89d431ec6ae5afcfaea784

(this sample)

  
Delivery method
Distributed via web download

Comments