MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704
SHA3-384 hash: 9b76ac7627d47e06c8fae0712626a73221e1a88391aa32823d75f432dd878815a435978dbd98cf323135183617246c81
SHA1 hash: 4158112735573c9a62461450479d5ff21d3e3ec8
MD5 hash: d85849be76b607d737266b41169bef7e
humanhash: freddie-golf-india-illinois
File name:fent.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:66'880 bytes
First seen:2025-12-07 00:31:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:qNX50AR8zLhOOlBMGN+FBKy2Cm1LXHxPlOzXq56Mnvaz:qNXwMivCm1LXRAOZaz
TLSH T1FE634B52B8C19A13C6D4527BFB6E428D372613A8E2DE3317DD226F20378685B0DBB751
telfhash t184213385df0c1efc27b0cf09c38a7316f5483496ee2029526f7e678f46225d1b566435
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 :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/29339cb1-48c2-4939-83da-8ff319003049/
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T16:57:00Z UTC
Last seen:
2025-12-07T02:00:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/71c4cdb3-400e-4eb1-97ec-df3018466072
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1828186
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828186 Sample: fent.arm.elf Startdate: 07/12/2025 Architecture: LINUX Score: 48 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->20 22 3 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 fent.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 fent.arm.elf 8->14         started        process6 16 fent.arm.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-07 00:32:14 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=sgyeu6oiwnteaucukxjubfdhms7z7d4cbut6bbauvyqh5lz2c4ca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251207-avp68ssmhq/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b2396a92-8ef1-431e-949a-96fa435f9de5
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/91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704

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_d94e1020
Create hunting rule
Author:Elastic Security
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 91b04a79c8b36640505455d340946764bf9f8f820d27e08414ae207eaf3a1704

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3722906/
  
Delivery method
Distributed via web download

Comments