MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 544268661034730b7a8d8a3b5ea07160bd314a5cc5ed3737ca8cec84273baaa6. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 544268661034730b7a8d8a3b5ea07160bd314a5cc5ed3737ca8cec84273baaa6
SHA3-384 hash: 8819bba930710ae48727080d5725f7c44063be78368952c7ae64c07e0153b51093bacbdf52c555f8f16dbed40df85991
SHA1 hash: b1c81c2e9416fcfeea3cce337337b027994a94d8
MD5 hash: ae91d38c9aba259e7b1f9c96bb0db69e
humanhash: fillet-oven-potato-emma
File name:kt2
Download: download sample
Signature Mirai
File size:24'704 bytes
First seen:2025-08-14 21:06:36 UTC
Last seen:2025-08-15 00:15:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:wk5A195/xeXSANABpvEA/JtRwBJgGlzDppMgk:P5o8iAem2JtoV83
TLSH T137B2DF4A000205D6E82FE07113FA5BB0AFE90FF6E6A3DC427820454BD947AA939D75F5
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :24'704 bytes
File size (de-compressed) :111'168 bytes
Format:linux/mips
Unpacked file: dc9e68aad2fae435d46ff3985154f0603a94733205503fb177fb3e51029af56f

Intelligence


File Origin
# of uploads :
3
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet gafgyt mirai obfuscated packed upx
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757459 Sample: kt2.elf Startdate: 14/08/2025 Architecture: LINUX Score: 60 26 787892.dynv6.net 156.225.31.132, 58558, 58560, 58562 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->26 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 4 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 kt2.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 kt2.elf 8->16         started        process6 18 kt2.elf 16->18         started        20 kt2.elf 16->20         started        22 kt2.elf 16->22         started        24 19 other processes 16->24
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-08-14 21:09:38 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Behaviour
Reads runtime system information
Changes its process name
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 544268661034730b7a8d8a3b5ea07160bd314a5cc5ed3737ca8cec84273baaa6

(this sample)

  
Delivery method
Distributed via web download

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