MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05d57fabd2cb3cc359d423e3a87d198f6685f675ba94d199961e01cfa3751b9d. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05d57fabd2cb3cc359d423e3a87d198f6685f675ba94d199961e01cfa3751b9d
SHA3-384 hash: 7f23b5aaf05b201aeca4e8dc3abcf93c31b751fd3f6e540cb4b247cc6dd6e3b26ad35cd703297f917aff7ee9cbaef5fb
SHA1 hash: c1623ab5ddabab928c0f7002427c001a2fab4f42
MD5 hash: 2207ba47881c3f7d64f5b47b0eb95b58
humanhash: twelve-autumn-apart-black
File name:nklsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:46'008 bytes
First seen:2025-02-01 13:41:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:va7wtKEUN8/qsU/XKREyHBe0Snz08ACjWoaZbXECE:va7wtKYZIaDHBev08AWoXECE
TLSH T13A239EB2C87EADD0C15A4278A5355EB42763E404C6672EFF568982778003DACF72A3F5
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 :
87
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e24c9a9881a7a01c4e315linux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/679e24bfa4e90e7849c2c300/reports/d42ed041-2d51-4f4d-bda7-941a4a3ccd16/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8811575b-e1bb-4699-b007-bb0b77da0ad1
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1604475
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604475 Sample: nklsh4.elf Startdate: 01/02/2025 Architecture: LINUX Score: 56 15 serisbot.geek. [malformed] 2->15 17 37.113.76.21 YAR-ASRU Russian Federation 2->17 19 101 other IPs or domains 2->19 21 Multi AV Scanner detection for submitted file 2->21 8 nklsh4.elf 2->8         started        signatures3 23 Sends malformed DNS queries 15->23 process4 signatures5 25 Sample deletes itself 8->25 11 nklsh4.elf 8->11         started        process6 process7 13 nklsh4.elf 11->13         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/05d57fabd2cb3cc359d423e3a87d198f6685f675ba94d199961e01cfa3751b9d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/05d57fabd2cb3cc359d423e3a87d198f6685f675ba94d199961e01cfa3751b9d/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-02-01 13:42:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=axkx7k6szm6mgwouepr2q7izr5til5tvxkkndgmwdya47i3vdooq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250201-qzvkhswpem/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9970440-0
YARA:
n/a
Link:
https://app.threat.zone/submission/87dad7d4-55fa-492b-9f57-5bf5bda326c9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/05d57fabd2cb3cc359d423e3a87d198f6685f675ba94d199961e01cfa3751b9d

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:unixredflags3
Create hunting rule
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 05d57fabd2cb3cc359d423e3a87d198f6685f675ba94d199961e01cfa3751b9d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3422873/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3422922/
  
URLhaus
https://urlhaus.abuse.ch/url/3424036/
  
URLhaus
https://urlhaus.abuse.ch/url/3424097/

Comments