MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3efaac98b8a2c271dfc90de5e94c4957c99604d08c6901d174a61a806eac1f8. 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: 5


Intelligence 5 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3efaac98b8a2c271dfc90de5e94c4957c99604d08c6901d174a61a806eac1f8
SHA3-384 hash: 3984b045e8ece7b100a43a6b1fd08af36c46928df22284883c4f459c3e17ea3930a3a8969e096a38fe60815eaa1def02
SHA1 hash: fd2dd78c21f392c38f9c1d9107321e7d883f68b7
MD5 hash: b38b6939806d1170562362365fa7ccc3
humanhash: double-don-minnesota-failed
File name:data_arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:125'568 bytes
First seen:2026-08-09 15:23:33 UTC
Last seen:2026-08-09 18:59:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:j/SGmGERibhQ+Du+yBgbNIx6hRJw7/B63dEO:DSGAGu+Ghx6h7O/I3dEO
TLSH T1E4C30A427D429F13C6C361F6BBAE46583B136BBDD7EA3102E9247F90234B8DA0E26551
telfhash t16721d2a6cf601bdc2bd144c8d16db02d17be355a1b062c96d53d679fd9234d5702c42e
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 :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-31.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash gcc lolbin rust
Link:
https://www.filescan.io/uploads/6a789bb100662b636535c5e7/reports/76a03c50-ff8a-43fd-a8ae-6c39dc54bc9e/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e178f74d-3e14-4003-81bc-dbe5e3854f4d
Behavior Graph:
Download SVG
%3 guuid=545bd023-1b00-0000-c1cf-02b591090000 pid=2449 /usr/bin/sudo guuid=d0d0dc25-1b00-0000-c1cf-02b596090000 pid=2454 /tmp/sample.bin guuid=545bd023-1b00-0000-c1cf-02b591090000 pid=2449->guuid=d0d0dc25-1b00-0000-c1cf-02b596090000 pid=2454 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73a39240-b78b-4a7a-ae51-7bdb31eca759
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3efaac98b8a2c271dfc90de5e94c4957c99604d08c6901d174a61a806eac1f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3efaac98b8a2c271dfc90de5e94c4957c99604d08c6901d174a61a806eac1f8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-09 15:24:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpx2vsmlriwcohp4sdpf5fgesv6jsycnbddjahixjjq2qbxkyh4a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260809-ss8vns1amc/
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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 b3efaac98b8a2c271dfc90de5e94c4957c99604d08c6901d174a61a806eac1f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3900274/
  
Delivery method
Distributed via web download

Comments