MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18
SHA3-384 hash: 1d36222543a0d0e21884728ee0d97652eacb3ffe1579a7081792a59f9ee0cd575216d0c78f6e0a7795baaaed95c43912
SHA1 hash: 3cd8aa8e32836d90011012dd7fd67419e6d9fbf6
MD5 hash: 3c79cd0bfbbd3155611c35a9985da617
humanhash: wyoming-bravo-blossom-ten
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:47'700 bytes
First seen:2026-01-04 22:52:28 UTC
Last seen:2026-01-05 16:45:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Fa3wtkeojMWeqUyYPnek1iBGruCynnk+EC9oNibz+CGIc:Fa3wtkZbxQnelGekl5Ns+CGI
TLSH T1D0238DA6C8796DD0D1588274B9248EBC1B23B405C6A33EFE5E45C66A4007EBCF62D3F5
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 :
115
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29228.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28920.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Dropper.Mirai-7136488-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-04T20:57:00Z UTC
Last seen:
2026-01-04T22:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/72cfd626-3c0e-409a-9f1f-314fd5f771ec
Behavior Graph:
Download SVG
%3 guuid=fa0fc2a5-1a00-0000-d93e-9d0c1d0c0000 pid=3101 /usr/bin/sudo guuid=4e9f52a8-1a00-0000-d93e-9d0c270c0000 pid=3111 /tmp/sample.bin guuid=fa0fc2a5-1a00-0000-d93e-9d0c1d0c0000 pid=3101->guuid=4e9f52a8-1a00-0000-d93e-9d0c270c0000 pid=3111 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c909b082-e681-4b06-8b5b-32114c240cb0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1844569
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844569 Sample: sh4.elf Startdate: 05/01/2026 Architecture: LINUX Score: 92 18 zzz.leproxy.blog 2->18 20 206.245.189.32 WINDSTREAMUS United States 2->20 22 99 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 2 other signatures 2->30 8 sh4.elf 2->8         started        signatures3 process4 process5 10 sh4.elf 8->10         started        process6 12 sh4.elf 10->12         started        14 sh4.elf 10->14         started        16 sh4.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-04 22:53:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6givbdsrejs76lanxl5qchzcbyn77yp7w42rjggx4dwnf2tdyma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet linux
Link:
https://tria.ge/reports/260104-2tpymagj6x/
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_0bce98a2
Link:
https://app.threat.zone/submission/6e10fea2-2e6b-47de-99f1-33c0e438d0d2
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/bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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 bf8c8a847289132ff9606dd7d808f91070dfff0ffdb9a8a4c6bf076697531e18

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3750331/
  
Delivery method
Distributed via web download

Comments