MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05661b9c98444b95c0c99835f8fd95f4ddcec3ef8ec93d29ada99c07c984ad84. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05661b9c98444b95c0c99835f8fd95f4ddcec3ef8ec93d29ada99c07c984ad84
SHA3-384 hash: 9fd637982b8ad80c7d5b437004b0adc1cff6f6300405a3a04445e7e00bffc703b780a62d233e47e678509931042afbc5
SHA1 hash: 06819460ac01962f160b2bffc78d29cb31f60935
MD5 hash: 32890f64d48f7baefc71c983a60e0bec
humanhash: undress-saturn-juliet-xray
File name:kt8
Download: download sample
Signature Mirai
Create hunting rule
File size:78'220 bytes
First seen:2025-05-07 03:39:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9IBHaFDtDi93IRYQkwh1uGMQpiDAcP68kBTQ:bDAIJjuLkC
TLSH T1D873C3CF9A3D0A43C4E745F23D2737E48F6CF83212A425C59206AFC506BA9B65172F69
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681ad6688474cc94a4e49f6flinux22vpnfull_triage
Tags:
mirai
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/681ad5ead95f3e34e9628938/reports/bb5dc4f2-92c0-41d9-81cb-eb41aed25c62/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e259f4e7-7226-40c7-a427-2fde8816ea24
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1682873
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682873 Sample: kt8.elf Startdate: 07/05/2025 Architecture: LINUX Score: 68 19 185.211.78.181, 10065, 10141, 10160 TELEFIBERNO Italy 2->19 21 j48asd.dns.army 137.220.194.112, 33812, 8856 BCPL-SGBGPNETGlobalASNSG Singapore 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Yara detected Mirai 2->27 29 Connects to many ports of the same IP (likely port scanning) 2->29 9 kt8.elf 2->9         started        signatures3 process4 process5 11 kt8.elf 9->11         started        process6 13 kt8.elf 11->13         started        15 kt8.elf 11->15         started        process7 17 kt8.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/05661b9c98444b95c0c99835f8fd95f4ddcec3ef8ec93d29ada99c07c984ad84
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/05661b9c98444b95c0c99835f8fd95f4ddcec3ef8ec93d29ada99c07c984ad84/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 03:40:25 UTC
File Type:
ELF32 Big (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=avtbxheyirfzlqgjta27r7mv6to45q7pr3et2knnvgoapsmevwca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250507-d7spnszkw9/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/8fb18c3d-0325-4f71-9135-162f20600481
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/05661b9c98444b95c0c99835f8fd95f4ddcec3ef8ec93d29ada99c07c984ad84

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 05661b9c98444b95c0c99835f8fd95f4ddcec3ef8ec93d29ada99c07c984ad84

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532681/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3531155/

Comments