MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcb9650b8e5636b5d05b339fa34c08d5a074bc153ed99a83efcd5372c401bdff. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: bcb9650b8e5636b5d05b339fa34c08d5a074bc153ed99a83efcd5372c401bdff
SHA3-384 hash: 2ccab87a8237335a29684d49a96745e7b76a803ab06c799f59a29a86c07547312ce714eba5a1b798776f7d4dabc11baa
SHA1 hash: 60021593b3e044c9cfd6db3cfe56a864bb41b8fa
MD5 hash: 57e94745e8a13e4fcecdcb45545e4df9
humanhash: december-beryllium-march-mars
File name:nklx86
Download: download sample
Signature Mirai
File size:63'856 bytes
First seen:2025-12-27 01:48:37 UTC
Last seen:2025-12-27 19:47:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:9vLNw81os3wq+9NY0I6+3tz3ecA3BAYD9c1CeCx50KauRR:9vRl1osAJg0L+3QJ3BzsV+S
TLSH T1A3533BC4A547E4F6DC1A053020FAF7B35F36F4391229EB87D3A5E572B943602B64A29C
telfhash t1f221d8fb2d6e0de9f7c8ac48835e5f011669e13b056136a44572d12823ebdc590b6d78
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 :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Clean
File Type:
elf.32.le
First seen:
2025-12-26T23:48:00Z UTC
Last seen:
2025-12-27T00:03:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840206 Sample: nklx86.elf Startdate: 27/12/2025 Architecture: LINUX Score: 60 20 79.80.148.144 LDCOMNETFR France 2->20 22 79.80.148.146 LDCOMNETFR France 2->22 24 100 other IPs or domains 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Connects to many IPs within the same subnet mask (likely port scanning) 2->30 8 dash rm nklx86.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 nklx86.elf 8->16         started        process6 18 nklx86.elf 16->18         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-27 01:49:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9857931-0
YARA:
n/a
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 bcb9650b8e5636b5d05b339fa34c08d5a074bc153ed99a83efcd5372c401bdff

(this sample)

  
Delivery method
Distributed via web download

Comments