MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
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SHA256 hash: f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d
SHA3-384 hash: 231c8c91120da424e9c414ffcc9a6b5d53317f3d6cf41e8005f5ea64c61cc409f1c592efd37170d430190857629a7cfe
SHA1 hash: bcbb0a9cd79d596bc4d3c6640fba228b64422a21
MD5 hash: ce7ff8d7627c738ae018ace77a3b920e
humanhash: delaware-kitten-winner-video
File name:volar.armv6l
Download: download sample
Signature Mirai
Create hunting rule
File size:136'308 bytes
First seen:2026-07-18 19:00:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xkYsLZ6Xj6XWYadnYqp3POEMLL0p0PVMETJG:xkf0XGX3adY0P/00p0PVjdG
TLSH T14FD3F906A941DF12D1C311B9FF5E42593B136F7CD3EE72029D24AFA0674A8EB0E7A116
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.10456.16103.21313.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Deletes a file
Receives data from a server
Launching a process
Connection attempt
Sends data to a server
Manages services
Sets a written file as executable
Runs as daemon
Collects information on the CPU
Removes directories from a temporary directory
Attempts to kill processes by name
Creating a file
Kills critical processes
Creates or modifies files in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm gcc rust
Link:
https://www.filescan.io/uploads/6a5bcded9e864a32e445e2fd/reports/d54fc44e-5027-465d-9ff9-b3a8a302b07b/overview
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-07-18T16:17:00Z UTC
Last seen:
2026-07-18T16:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/54f30105-a6fd-4940-a88f-9425fd3aeb1f
Behavior Graph:
Download SVG
%3 guuid=0fd319de-1900-0000-94a1-d01c75090000 pid=2421 /usr/bin/sudo guuid=2c82f5e1-1900-0000-94a1-d01c7c090000 pid=2428 /tmp/sample.bin guuid=0fd319de-1900-0000-94a1-d01c75090000 pid=2421->guuid=2c82f5e1-1900-0000-94a1-d01c7c090000 pid=2428 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd89c127-56ed-4ca6-b027-78186607e21c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1944665
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Executes the "iptables" command to insert, remove and/or manipulate rules
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
Terminates several processes with shell command 'killall'
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944665 Sample: volar.armv6l.elf Startdate: 18/07/2026 Architecture: LINUX Score: 96 50 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->50 52 daisy.ubuntu.com 91.189.95.56, 41416, 443 CANONICAL-ASGB United States 2->52 64 Antivirus / Scanner detection for submitted sample 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected Mirai 2->68 10 volar.armv6l.elf 2->10         started        12 gdm3 Default 2->12         started        14 gdm3 Default 2->14         started        16 2 other processes 2->16 signatures3 process4 process5 18 volar.armv6l.elf 10->18         started        process6 20 volar.armv6l.elf 18->20         started        signatures7 70 Sample tries to kill multiple processes (SIGKILL) 20->70 23 volar.armv6l.elf sh 20->23         started        25 volar.armv6l.elf sh 20->25         started        27 volar.armv6l.elf sh 20->27         started        29 35 other processes 20->29 process8 file9 33 sh rm 23->33         started        36 sh pkill 25->36         started        38 sh pkill 27->38         started        48 /etc/init.d/volar, ASCII 29->48 dropped 72 Drops files in suspicious directories 29->72 40 sh killall 29->40         started        42 sh iptables 29->42         started        44 sh iptables 29->44         started        46 30 other processes 29->46 signatures10 process11 signatures12 54 Sample deletes itself 33->54 56 Sample tries to kill multiple processes (SIGKILL) 36->56 58 Terminates several processes with shell command 'killall' 40->58 60 Executes the "iptables" command to insert, remove and/or manipulate rules 42->60 62 Sample tries to set files in /etc globally writable 46->62
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-07-18 19:04:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6hfe37nqrp7h6tv3jryqbgaee4j4v5lzzjdwct62ntzevobnlawq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery persistence
Link:
https://tria.ge/reports/260718-xpw4xsav9q/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
File and Directory Permissions Modification
Modifies Watchdog functionality
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/f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f1ca4dfdb08bfe7f4ebb4c710098042713caf579ca47614fda6cf24ab82d582d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3888368/
  
Delivery method
Distributed via web download

Comments