MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9
SHA3-384 hash: e8304d4526c65dd0b7ecf1e807f6c88afaec74219ef4ad2a7ef9fe40b5ba922c51db040156c95b00f3642d527edee11b
SHA1 hash: 99a4a3c024946e21df9b21f0a9485f8e226b4337
MD5 hash: 546bdc8c051441ae8e50cba81aeefa03
humanhash: april-georgia-sad-kitten
File name:aarch64
Download: download sample
Signature Mirai
Create hunting rule
File size:187'400 bytes
First seen:2025-12-09 03:53:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:MAdN4BrXDd4q5JB3h0KnM7eNdhcGXOZMKZSJbxq:pNaXDWq5JB3o7eXbOZNSZxq
TLSH T15D045BA9BA0F2C42F1C6C3F8DE8C87E17A1735E3C67789B1791212ECDBA79D55980502
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-12.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-10056448-0
Create hunting rule

Unix.Trojan.Gafgyt-10056449-0
Create hunting rule

Unix.Trojan.Gafgyt-10056462-0
Create hunting rule

Unix.Trojan.Gafgyt-10058381-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a file as executable
Kills processes
Launching a process
Creating a file
Runs as daemon
Sets a written file as executable
Deletes a file
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-09T01:56:00Z UTC
Last seen:
2025-12-09T07:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/328584e7-c61a-4ad3-9ffd-2baad62132ff
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1829256
Signature
Drops files in suspicious directories
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1829256 Sample: aarch64.elf Startdate: 09/12/2025 Architecture: LINUX Score: 72 28 109.202.202.202, 80 INIT7CH Switzerland 2->28 30 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->30 32 2 other IPs or domains 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 8 aarch64.elf rsyslogd 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 26 /etc/init.d/sysd, POSIX 8->26 dropped 42 Sample tries to set files in /etc globally writable 8->42 44 Drops files in suspicious directories 8->44 46 Sample tries to persist itself using System V runlevels 8->46 16 aarch64.elf sh 8->16         started        18 rsyslogd 8->18         started        signatures6 process7 process8 20 sh cp 16->20         started        file9 24 /usr/bin/.sh, ELF 20->24 dropped 38 Drops invisible ELF files 20->38 40 Drops files in suspicious directories 20->40 signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-09 03:54:16 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4akvjurmi7xqoqrg22kfrvkgtmz2eacpj4s7rb2ul2zpkmhl34q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251209-efxd8acr5x/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056448-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1d36c9e1-e4d8-4155-ae33-84dc6e2f2810
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/bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9

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:testlumma
Create hunting rule
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 bf00aaa691623f783a1136b4a2c6aa34d99d10027a792fc43aa2f597a9875ef9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3729637/
  
Delivery method
Distributed via web download

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