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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438
SHA3-384 hash: 1660dcd79b189dbbd73a31f153ac4306abb1209d5d66c9fb22b923379c2a01a3f8ff4630e93cd7f0f0785fbedb27c104
SHA1 hash: ad3459975f82095293d67f6fd840d681957794a9
MD5 hash: af4915939052cb8eba4c7298ecd30c47
humanhash: fish-two-diet-kitten
File name:main.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:54'252 bytes
First seen:2026-08-10 03:45:52 UTC
Last seen:2026-08-10 22:09:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:oWnaUUrN6orI5ENB57lsrSlUyzviws2ve6qrISzUL:UUUnI5ENB57dE2veHIS4L
TLSH T1FC33D745FA41AB05D5A231FAFB8E414D3317AFA8E3FD312199305FA013C6ADB0B76526
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 :
5
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Trojan.Linux.Mirai.22133.32139.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6a7949871c782ad335824177/reports/b9261aab-1b32-4eea-a9d2-795e51d7f015/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-10T21:03:00Z UTC
Last seen:
2026-08-10T21:37:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/208cb726-8df9-4598-ae7a-370cece13f22
Behavior Graph:
Download SVG
%3 guuid=f5340802-1700-0000-63bb-8d8ac80c0000 pid=3272 /usr/bin/sudo guuid=85001305-1700-0000-63bb-8d8ad30c0000 pid=3283 /tmp/sample.bin guuid=f5340802-1700-0000-63bb-8d8ac80c0000 pid=3272->guuid=85001305-1700-0000-63bb-8d8ad30c0000 pid=3283 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cd981287-e64a-451e-a37e-e560576d36ec
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1954786
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1954786 Sample: main.arm7.elf Startdate: 10/08/2026 Architecture: LINUX Score: 48 16 94.154.43.12, 32, 50606 CDNEXTGB Turkey 2->16 18 Multi AV Scanner detection for submitted file 2->18 8 main.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 main.arm7.elf 8->12         started        process6 14 main.arm7.elf 12->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-10 03:46:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkbyjlfzonspd7qfnsfgys6mck3geznx3iobjz644zye22baaq4a._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260810-ebsv8sdh58/
Behaviour
Writes file to tmp directory
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438

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_0ea505fa
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
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 b28384acb97364f1fe056c8a6c4bcc12b66265b7da1c14e7dce6704d68200438

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3897937/
  
Delivery method
Distributed via web download

Comments