MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b099b8efafeef0b5d17747c9b2ab8813b40fa89b3d7db63d04fc253c7b7027b0. 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 8 File information Comments

SHA256 hash: b099b8efafeef0b5d17747c9b2ab8813b40fa89b3d7db63d04fc253c7b7027b0
SHA3-384 hash: ceb2f897e599b23049a44b60d3486128f27b3fe3df4c32cf89bfc83267f1445a0035218a17a769c528472edb2bbcfce9
SHA1 hash: 68df48b66ed87297715e6c391cbfa7d223a30250
MD5 hash: bdb249f8262d53b717062c5cf084fd93
humanhash: lion-oxygen-fifteen-louisiana
File name:x86
Download: download sample
Signature Mirai
File size:92'108 bytes
First seen:2025-05-11 13:23:11 UTC
Last seen:2025-05-12 01:41:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:7FC5g7zNSl+YOyiqwT7h+gkHYxWhgfGSdRXXc:7FCCNSldDx678gjxb/de
TLSH T192936BC5F783D0F6E95205B1517BA7325733E43A902AEB42C329AD35DC52910DA1F76C
telfhash t1b35141f72e660dfcf390ac0cc31e2b53361a96b7155032b681f36da536f6a9550a6834
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 elfdigest
Tags:mirai

Intelligence


File Origin
# of uploads :
63
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1687174 Sample: x86.elf Startdate: 11/05/2025 Architecture: LINUX Score: 68 29 nnmirai.duckdns.org 2->29 31 109.202.202.202, 80 INIT7CH Switzerland 2->31 33 2 other IPs or domains 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected Gafgyt 2->39 9 dash rm x86.elf 2->9         started        11 dash rm 2->11         started        13 dash cut 2->13         started        15 7 other processes 2->15 signatures3 41 Uses dynamic DNS services 29->41 process4 process5 17 x86.elf 9->17         started        process6 19 x86.elf 17->19         started        process7 21 x86.elf 19->21         started        23 x86.elf 19->23         started        25 x86.elf 19->25         started        27 6 other processes 19->27
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-05-11 13:24:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux rootkit
Behaviour
Writes file to tmp directory
Loads a kernel module
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-10002598-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
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:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b099b8efafeef0b5d17747c9b2ab8813b40fa89b3d7db63d04fc253c7b7027b0

(this sample)

  
Delivery method
Distributed via web download

Comments