MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ea56a88c274e70ab5cb3b274f71cdaf84045a0c335744cb6281abb0ce569de. 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: 55ea56a88c274e70ab5cb3b274f71cdaf84045a0c335744cb6281abb0ce569de
SHA3-384 hash: 3b8b637c22ec978d88c70b15146bb508638a9561ed26ef4169a7ee765708bf680542b3ace3e916734934c757dba3d1c5
SHA1 hash: 760011ab16532a9529dff7dcf27ad6d42c9378d2
MD5 hash: 3c1a58aba4540d2a6f965b8e0244b551
humanhash: steak-princess-moon-idaho
File name:kt3
Download: download sample
Signature Mirai
File size:111'168 bytes
First seen:2025-04-30 18:32:35 UTC
Last seen:2025-05-01 06:11:25 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ue0Kf+4GOdYM2hppCfLgVT/crgk28b/TS0:VnGOdT2Iy8
TLSH T10EB38379ABB29EBBEC1EDD7305991402214DA64D52DA2F6FF6A0C518E38BC4F44E3C44
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
DNS request
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1678398 Sample: kt3.elf Startdate: 30/04/2025 Architecture: LINUX Score: 72 20 j48asd.dns.army 1.1.1.1, 8856 CLOUDFLARENETUS Australia 2->20 22 787892.dynv6.net 2->22 24 78789.dns.army 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 kt3.elf 2->8         started        signatures3 process4 process5 10 kt3.elf 8->10         started        process6 12 kt3.elf 10->12         started        14 kt3.elf 10->14         started        16 kt3.elf 10->16         started        18 12 other processes 10->18
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-04-30 18:33:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 55ea56a88c274e70ab5cb3b274f71cdaf84045a0c335744cb6281abb0ce569de

(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