MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3efe93f0c0b131fa6458770452eb2fe66d070cdd79e80140c677f974334f5c48. 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: 7


Intelligence 7 IOCs YARA 10 File information Comments

SHA256 hash: 3efe93f0c0b131fa6458770452eb2fe66d070cdd79e80140c677f974334f5c48
SHA3-384 hash: 14c210cc8ee63deeedcbfb9ab3330d57db6f02ecf18bfb6e522aeda9c3f7e20ff361e473d0143246927af9455468c460
SHA1 hash: 4476d2b3078deb5b7979d7705a148d6efc666b22
MD5 hash: 4ae6bfd217819cb335c720e562aad0ba
humanhash: bluebird-enemy-johnny-glucose
File name:kurayami.arc
Download: download sample
Signature Mirai
File size:173'700 bytes
First seen:2026-03-30 06:58:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ADBdjwnSSY0VLtsYPtkchPPd2WenqkxJjg/ClTK3KiyMq:mX0LsYP2chXdCqk/yCdK3sMq
TLSH T11304BFA3B34F2491C87106F80BCB6B9D262361125DA7DAD76C6F753A5E375DE08023E2
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 adliwahid
Tags:mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-03-29T22:32:00Z UTC
Last seen:
2026-03-30T18:22:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=bb8a3d57-1b00-0000-3307-5265080c0000 pid=3080 /usr/bin/sudo guuid=7e394159-1b00-0000-3307-52650e0c0000 pid=3086 /tmp/sample.bin guuid=bb8a3d57-1b00-0000-3307-5265080c0000 pid=3080->guuid=7e394159-1b00-0000-3307-52650e0c0000 pid=3086 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-30 03:22:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_Xlogin_Nov24_1
Author:Florian Roth
Description:Detects xlogin backdoor samples
Reference:https://blog.sekoia.io/solving-the-7777-botnet-enigma-a-cybersecurity-quest/
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 3efe93f0c0b131fa6458770452eb2fe66d070cdd79e80140c677f974334f5c48

(this sample)

  
Delivery method
Distributed via web download

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