MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 126b4c08575ccba70f1001e1a9f957bbc2411147ef6b12ddddedcca4597dd6e8. 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 7 File information Comments

SHA256 hash: 126b4c08575ccba70f1001e1a9f957bbc2411147ef6b12ddddedcca4597dd6e8
SHA3-384 hash: 07223976897624b50f4c4d65dc4c3c3ae485fbefadc1123e488de4eafb94b03ff668f38593103bd7f4327b557d369b9a
SHA1 hash: d4fb607d0d602237be574ed33b5d9b53b7395dfe
MD5 hash: 3690286e14701b0b0fe6f2dd5ae70589
humanhash: harry-fifteen-north-fanta
File name:nklx86
Download: download sample
Signature Mirai
File size:45'788 bytes
First seen:2025-02-01 13:41:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:c4ZMC05W0RIWPIfWWYrREwZXv+k6ck8qXs4xhQ8Xeun/e8g:c4ZMC05W0RIWQ/YrREK2RhxtXeu/e8
TLSH T14D234AC09853D8F8EC5606B02437EB774E77F17A1198FA9BD3999533AC82B11D20B29D
telfhash t17d11e3bb1ea549f877c49d4dc75b65e20ab4c56b1660b6a800f20de423d2ce2c0a8c3a
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 :
91
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
shellcode phishing backdoor overt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Receives data from a server
Sends data to a server
Substitutes an application name
Deleting of the original file
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sample deletes itself
Sends malformed DNS queries
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604425 Sample: nklx86.elf Startdate: 01/02/2025 Architecture: LINUX Score: 60 15 serisbot.geek. [malformed] 2->15 17 63.255.97.34 WINDSTREAMUS United States 2->17 19 101 other IPs or domains 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Machine Learning detection for sample 2->23 8 nklx86.elf 2->8         started        signatures3 25 Sends malformed DNS queries 15->25 process4 signatures5 27 Sample deletes itself 8->27 11 nklx86.elf 8->11         started        process6 process7 13 nklx86.elf 11->13         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-02-01 13:42:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery linux
Behaviour
Changes its process name
Deletes itself
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Contacts a large (110955) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9857931-0
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:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
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 126b4c08575ccba70f1001e1a9f957bbc2411147ef6b12ddddedcca4597dd6e8

(this sample)

  
Delivery method
Distributed via web download

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