MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2178e336bdc510b2d78af88b3aa36af462fefce9c5f8f52588db227cc8a21d75. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 2178e336bdc510b2d78af88b3aa36af462fefce9c5f8f52588db227cc8a21d75
SHA3-384 hash: 777b3a6bd24327c566ac9d5a091a5cbd86b80fc40c6d246212fff11b77a074e953c33532b4bd6d43a6349fe2080178cd
SHA1 hash: 0c37473229c9c68c5dace0f47241df052fbd3717
MD5 hash: 05f2dcfeb143d30adbff118348b139d7
humanhash: green-cold-indigo-avocado
File name:nklx86
Download: download sample
Signature Mirai
File size:74'752 bytes
First seen:2025-12-29 01:26:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1tPhWOaX4Bje5VaO0QroiFmlPgUySM0MbgZ2hnW67w3IHBFyV055i8MXRl:1tPAxX4BjwYhSnpSM0M0ol7w3+DK+qr
TLSH T186735CCDEA43D4F5EE5609711077F7738A31F435413AEA87D7A8E932A852B01EA0639C
telfhash t1b131d5f72e7948e8f3c05848531e16611e7cb777293436a64673e82436eedc240bac79
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 :
47
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T22:32:00Z UTC
Last seen:
2025-12-29T02:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1841125 Sample: nklx86.elf Startdate: 29/12/2025 Architecture: LINUX Score: 72 14 160.51.246.20 WISCNET1-ASUS Germany 2->14 16 40.141.67.144 WINDSTREAMUS United States 2->16 18 100 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 8 nklx86.elf 2->8         started        signatures3 process4 process5 10 nklx86.elf 8->10         started        process6 12 nklx86.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-29 01:27:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery linux
Behaviour
Changes its process name
Modifies Watchdog functionality
Renames itself
Contacts a large (116161) 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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 2178e336bdc510b2d78af88b3aa36af462fefce9c5f8f52588db227cc8a21d75

(this sample)

  
Delivery method
Distributed via web download

Comments