MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fb357cce5bf1aae2e65de04908eb13f706a486c527b67a5305aab0e159e594d. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 5fb357cce5bf1aae2e65de04908eb13f706a486c527b67a5305aab0e159e594d
SHA3-384 hash: 734018af49a8ad088aa49b0be11295d72c88928d9439899cdc71109d3afee5ca8a2ee5bf882db13ae80e0c826b8693e5
SHA1 hash: fc25f6d7d66dcfcef6ea6d21071b54fe4ec6b25e
MD5 hash: d686a737e6e56352e3a2c063dd27083b
humanhash: network-alabama-stream-friend
File name:nklx86
Download: download sample
Signature Mirai
File size:68'240 bytes
First seen:2025-12-22 01:11:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Q5CPIv7BNZUMoVQ8zPDYtLNevYWHy4ipBxuR1dPRR0:Q5UIvF7JoWi6LSYQZCjcM
TLSH T139634AC59A53E5F5EC19093514B3F7775A31F4351028EAA3E3D5AA36B842302FB4B2AC
telfhash t1ae21c9fa2d7e14e8b7d45848c15f5e552a2ae277586032749173dc3832ead42507ac34
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 :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Connection attempt
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-21T21:31:00Z UTC
Last seen:
2025-12-22T00:54:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-22 01:12:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Changes its process name
Renames itself
Contacts a large (28614) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 5fb357cce5bf1aae2e65de04908eb13f706a486c527b67a5305aab0e159e594d

(this sample)

  
Delivery method
Distributed via web download

Comments