MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b66d19d2acb0e8a935460e9ad6f054a921c1fc78658bfd888e14dcf793c15989. 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 5 File information Comments

SHA256 hash: b66d19d2acb0e8a935460e9ad6f054a921c1fc78658bfd888e14dcf793c15989
SHA3-384 hash: 7addc213cd5b1de87c9f4e3510f94ddee3a82fdb4c5317d186928cfe5604acf1ce6fff0bab91cff6af38a2e87163e0e2
SHA1 hash: 6dadb53209f0f6542617192063a3c143cada7056
MD5 hash: c0da62d7346a2d42c9f9de83371e2264
humanhash: fourteen-eighteen-zulu-diet
File name:x86
Download: download sample
Signature Mirai
File size:70'588 bytes
First seen:2025-11-25 12:29:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:67xdu/yKG//hK2+7/+QcsiY0gwxuNcrGCILoJZ/owY306X023Hu99USuER2:67LYyKG/peT+oiY0gwdKC48doj3fX739
TLSH T1F1633AC5D943D8F6ED0506712073F7335632F579112AEF87DB99EA26AC42A01BA0B39C
telfhash t1ee31e8fa2d3e19ec77d0ac4c834e5a117b3ad637152132a144b3a87927ebe4254b5c3c
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 :
46
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
16
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-25T10:39:00Z UTC
Last seen:
2025-11-26T00:31:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
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: 1820506 Sample: x86.elf Startdate: 25/11/2025 Architecture: LINUX Score: 72 24 156.158.25.61 airtel-tz-asTZ Tanzania United Republic of 2->24 26 135.43.62.154 WORLDNET5-10US United States 2->26 28 99 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 x86.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 x86.elf 8->16         started        18 x86.elf 8->18         started        process6 20 x86.elf 16->20         started        22 x86.elf 16->22         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-25 12:30:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Renames itself
Contacts a large (116151) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7755770-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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 b66d19d2acb0e8a935460e9ad6f054a921c1fc78658bfd888e14dcf793c15989

(this sample)

  
Delivery method
Distributed via web download

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