MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8
SHA3-384 hash: 447b3adf778c1b78bcc90b46db1daafbf84ce469a548ca8b72a8c37621dea9beb4ab3edd2edcb762375173093308b3c4
SHA1 hash: 1f53a4a3e5f93985a05246c89b10c3d26453d6f9
MD5 hash: 1d2dad75c2e7d86794b0376d5a9e7be1
humanhash: eighteen-uniform-pennsylvania-delta
File name:ub8ehJSePAfc9FYqZIT6.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:133'844 bytes
First seen:2026-01-18 13:42:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:sG3cw+13NCBAxRgNvb9ancb38ENKOuvABvfl3FgNan2qeSRp7:sG3cwQ3N4Axuhx8iKgBjh7
TLSH T128D33905B34C0D47D2673EF43A3F23D193AFDA8222A4EA41655F9A8E9172E730589DCD
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 6235dc9e8f739c2893058683d951ac4ea739d6ce6d02e6726298e73461f7da88
File size (compressed) :48'768 bytes
File size (de-compressed) :133'844 bytes
Format:linux/ppc32
Packed file: 6235dc9e8f739c2893058683d951ac4ea739d6ce6d02e6726298e73461f7da88

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8260368c-6524-4fac-a6cb-ec22f8f5e1f6/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135957-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Trojan.Mirai-10012200-0
Create hunting rule

Unix.Trojan.Mirai-10012671-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/696ce383584f1963ad5a0283/reports/2e93b82b-37a8-4ba4-9c26-1357a1fa28cb/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-18T09:31:00Z UTC
Last seen:
2026-01-18T11:15:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/872d37ba-f3f2-4f87-9c45-64af46a806a9
Behavior Graph:
Download SVG
%3 guuid=dc1e2ab4-1900-0000-5d02-e54f8c0c0000 pid=3212 /usr/bin/sudo guuid=d5850cb6-1900-0000-5d02-e54f910c0000 pid=3217 /tmp/sample.bin guuid=dc1e2ab4-1900-0000-5d02-e54f8c0c0000 pid=3212->guuid=d5850cb6-1900-0000-5d02-e54f910c0000 pid=3217 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ddf2787b-a4a6-488d-ad6c-76280c11eb4b
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1852759
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 13:43:51 UTC
File Type:
ELF32 Big (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6o4rxelrrl4p7nlambx5bi5m4lrzuthjvncwl6l6u74pvm367tma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/260118-q1hx4sdx4b/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a3e8fcfa-f50e-464c-bf71-3f159164ca2d
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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 6235dc9e8f739c2893058683d951ac4ea739d6ce6d02e6726298e73461f7da88

Mirai

elf f3b91b91718af8ffb560606fd0a3ace2e39a4ce9ab4565f97ea7f8fab37efcd8

(this sample)

  
Dropped by
SHA256 6235dc9e8f739c2893058683d951ac4ea739d6ce6d02e6726298e73461f7da88
  
URLhaus
https://urlhaus.abuse.ch/url/3757622/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 92175c03fa30041cc90869e9fc16ddd4
  
URLhaus
https://urlhaus.abuse.ch/url/3753586/
  
URLhaus
https://urlhaus.abuse.ch/url/3759494/

Comments