MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05b64f91e0330000fad73977b3f70b3e8dd830c85f234b856f1450de4c1c8915. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 05b64f91e0330000fad73977b3f70b3e8dd830c85f234b856f1450de4c1c8915
SHA3-384 hash: f10ed200cbc21528a7688bf81aa53866054af76b2dc0f2d7f62494f8d559a19380721884346f81e305b8d615dec38279
SHA1 hash: 7e5996fb63a6cbde1309de0eb5ab25fa9e9dcdff
MD5 hash: fa3c2935bbe0f45f40bd03712a8fa4de
humanhash: sad-batman-carbon-echo
File name:kt2
Download: download sample
Signature Mirai
Create hunting rule
File size:259'072 bytes
First seen:2025-08-16 12:52:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Rw0WYwskFQIaFjhIR2x+mNDF972XQ1u3MHkK/olOYhJpKIKaVi9kARrH:zqR2DFQ6f/sOOJpKdaVi9kAZH
TLSH T14C44312E6E22BF7FF6A8827107F25EB0975521D736D1D280E1BCC7185E7028D185EBA4
telfhash t1c14153580e7823f4a3755c8d05ddff36e66330db3a221d378e51e46aab699834e10c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
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-8041698-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

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

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc obfuscated
Link:
https://www.filescan.io/uploads/68a07f8ca4bdac9f5b99989c/reports/7bba5c3e-626a-4a12-aa47-80e24b0633d8/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/258ff026-f0e7-4610-a967-45115fab714f
Behavior Graph:
Download SVG
%3 guuid=99935823-1b00-0000-ebe1-af7f8a0c0000 pid=3210 /usr/bin/sudo guuid=abea7825-1b00-0000-ebe1-af7f900c0000 pid=3216 /tmp/sample.bin guuid=99935823-1b00-0000-ebe1-af7f8a0c0000 pid=3210->guuid=abea7825-1b00-0000-ebe1-af7f900c0000 pid=3216 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/90039b1f-a64c-48ea-a01c-97df7df7fc8c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1758323
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1758323 Sample: kt2.elf Startdate: 16/08/2025 Architecture: LINUX Score: 64 18 j48asd.dns.army 156.225.31.132, 58560, 8856 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->18 20 109.202.202.202, 80 INIT7CH Switzerland 2->20 22 3 other IPs or domains 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 kt2.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 kt2.elf 8->14         started        process6 16 kt2.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/05b64f91e0330000fad73977b3f70b3e8dd830c85f234b856f1450de4c1c8915
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/05b64f91e0330000fad73977b3f70b3e8dd830c85f234b856f1450de4c1c8915/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-16 12:53:28 UTC
File Type:
ELF32 Big (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aw3e7epagmaab6wxhf33h5ylh2g5qmgil4ruxblpcrin4ta4rekq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250816-p4t9waxns2/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c4f0f93d-88b5-4fad-9e82-728ef49ad7c5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/05b64f91e0330000fad73977b3f70b3e8dd830c85f234b856f1450de4c1c8915

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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 05b64f91e0330000fad73977b3f70b3e8dd830c85f234b856f1450de4c1c8915

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3603528/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3532687/
  
URLhaus
https://urlhaus.abuse.ch/url/3604024/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments