MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c
SHA3-384 hash: a5671e1e8210ffd6dd4ad4e3075cfcd499ab655c8769646935dcb2055ed997032253195ac661d24c9701c5caf03150e7
SHA1 hash: 9b678d6f2486b93632007a2e1d3cb00a4f90efbf
MD5 hash: 61bee564da75780963f1f566f12e5050
humanhash: island-alanine-nineteen-monkey
File name:armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:129'520 bytes
First seen:2025-10-13 09:55:46 UTC
Last seen:2025-10-13 10:24:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:15DZWd3kbJNzE7zThA3lI/ZkdkxmEOaYrCa3W3gKVqR0YBCwjy/KoOicL6T:15DZWd3kbJNzEHThA3qEgmPaoCa3W3g+
TLSH T111C3E606ED429B01D59735FAFB9F418933536BA8E3FA7101DE206F6123CA99B0F76112
telfhash t13e21fe75cb089cac67e5944c81de71195ad8b2ca2e2a3812967e6d4f81e3e813032c6e
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-12.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30395.LC.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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Launching a process
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/68ecd0e4fe81c560ba57e4aa/reports/9dd7550d-5b0d-478f-8f9c-f376891a61ad/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
49
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-13T07:26:00Z UTC
Last seen:
2025-10-13T08:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7b351ed6-4877-4290-a0e3-aa807ab1eed4
Behavior Graph:
Download SVG
%3 guuid=91fde592-1b00-0000-b3b1-71afe90c0000 pid=3305 /usr/bin/sudo guuid=e50bf094-1b00-0000-b3b1-71afec0c0000 pid=3308 /tmp/sample.bin guuid=91fde592-1b00-0000-b3b1-71afe90c0000 pid=3305->guuid=e50bf094-1b00-0000-b3b1-71afec0c0000 pid=3308 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/efe138d5-8172-4d8c-a960-1f9641e1e26d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1793906
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 signatures2 2 Behavior Graph ID: 1793906 Sample: armv7l.elf Startdate: 13/10/2025 Architecture: LINUX Score: 72 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Mirai 2->23 7 armv7l.elf dbus-daemon 2->7         started        process3 file4 17 /etc/init.d/sysd, POSIX 7->17 dropped 25 Sample tries to set files in /etc globally writable 7->25 27 Drops files in suspicious directories 7->27 29 Sample tries to persist itself using System V runlevels 7->29 11 armv7l.elf sh 7->11         started        signatures5 process6 process7 13 sh cp 11->13         started        file8 19 /usr/bin/.sh, ELF 13->19 dropped 31 Drops invisible ELF files 13->31 33 Drops files in suspicious directories 13->33 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c/
Verdict:
Malicious
Threat:
Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 10:15:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x56vpbvjmqaltthij5igm27g2jw6imlpmtnjq3lpwx5vx2l64coa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/251013-l8wrqadr4z/
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Executes dropped EXE
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1f342a1b-8a1a-4468-8bda-374c37cef287
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: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 bf7d5786a96400b9cce84f50666be6d26de4316f64da986d6fb5fb5be97ee09c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3670730/
  
Delivery method
Distributed via web download

Comments