MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038
SHA3-384 hash: 3ad05e9be02ba96310209910772c091b7f0caf18dd8acad9caefa1adbd7d79fd2e8d3f7b630cb5fbda79b6afaa606d7c
SHA1 hash: 7bed7dcd396671d4d4d101f799dfe32322991576
MD5 hash: 3328a92922740fb8599444502ff1aa62
humanhash: sweet-don-seven-football
File name:i486
Download: download sample
Signature Mirai
Create hunting rule
File size:110'912 bytes
First seen:2025-08-01 23:30:49 UTC
Last seen:2025-08-02 14:56:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZyjpJGMTOLMueTQNiiV5V3KyJyoY617x0SoTdRTyUg3145gPASDQEuSr:ZyjVOV6oyoY6wTsiEYEH
TLSH T1B7B35B86FB83E0F0D95606F0105FAB7D8634DE214029DE59EFE4BDB2AD62702A51B71C
telfhash t1674115b95ee11cd8a7d08500e24e5721ed5df63f282476760373a625373af8252bac39
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 :
27
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Sets a written file as executable
Receives data from a server
Connection attempt
Kills processes
Runs as daemon
Kills critical processes
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/688d4e5132e61090868aba93/reports/4c5e69ed-363d-441b-9187-441b84ca3aa3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
127
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fa121060-17d4-48ff-9886-bf755d8500b5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1748857
Signature
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1748857 Sample: i486.elf Startdate: 02/08/2025 Architecture: LINUX Score: 72 34 92.113.21.114, 5060, 58270, 58272 UKRTELNETUA Ukraine 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 9 i486.elf 2->9         started        11 gnome-session-binary sh gsd-print-notifications 2->11         started        13 systemd journalctl 2->13         started        15 50 other processes 2->15 signatures3 process4 process5 17 i486.elf 9->17         started        19 gsd-print-notifications 11->19         started        process6 21 i486.elf 17->21         started        25 gsd-print-notifications gsd-printer 19->25         started        file7 30 /var/main, ELF 21->30 dropped 32 /etc/init.d/xs.main, POSIX 21->32 dropped 40 Sample tries to set files in /etc globally writable 21->40 42 Drops files in suspicious directories 21->42 44 Sample deletes itself 21->44 27 i486.elf 21->27         started        signatures8 process9 signatures10 46 Sample tries to kill multiple processes (SIGKILL) 27->46
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-01 23:31:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfxydsesqznqpe3mttf5xtaysoi7vjbtnablpy3tb4mb3vjp6a4a._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/250801-3hv6yahk4x/
Behaviour
Reads runtime system information
Enumerates running processes
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_3a56423b
Link:
https://app.threat.zone/submission/be476ac4-573e-48ac-95f2-1eac53134da6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 b96f81c892865b07936c9ccbdbcc189391faa4336802b7e3730f181dd52ff038

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3594316/
  
Delivery method
Distributed via web download

Comments