MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4843ea3401caf34fa20475c01502377a19a144106f9140918f0d0116aadc84bc. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: 4843ea3401caf34fa20475c01502377a19a144106f9140918f0d0116aadc84bc
SHA3-384 hash: a72812df067eda386de6684c2ce8f3836294f6b8db5b4fd7c747371753f0772e2c512192106e08a2bbadea8f027015c2
SHA1 hash: 20c537f897d2b0a781b9f837f2bfd860ad399558
MD5 hash: 2a064b6007f02ecd232a55e82e3016d1
humanhash: ohio-floor-seventeen-tennessee
File name:kt5
Download: download sample
Signature Mirai
File size:81'696 bytes
First seen:2025-05-14 06:42:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JtjvW6EJtOtlnyybXxtJXlp/VeVg9WxW:zWDIBbrNdeVgExW
TLSH T11C83508DFD55A32EC7E276FAF71812CE363E1B9CB3D672219D310A5237C8B606525160
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 :
119
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1689624 Sample: kt5.elf Startdate: 14/05/2025 Architecture: LINUX Score: 76 19 109.202.202.202, 80 INIT7CH Switzerland 2->19 21 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->21 23 2 other IPs or domains 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 8 kt5.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 33 Sample deletes itself 8->33 15 kt5.elf 8->15         started        process6 process7 17 kt5.elf 15->17         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-14 06:43:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Deletes itself
Modifies Watchdog functionality
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_Threat_d94e1020
Author:Elastic Security
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 4843ea3401caf34fa20475c01502377a19a144106f9140918f0d0116aadc84bc

(this sample)

  
Delivery method
Distributed via web download

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