MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9f03e21bd423218ff3033947688f847ea1b5dafcfa85354f2876b1e4ecfd616. 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: 11


Intelligence 11 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9f03e21bd423218ff3033947688f847ea1b5dafcfa85354f2876b1e4ecfd616
SHA3-384 hash: 73926f38a60a1888e69c548af20209e24d016698b489faa522ed60c84bdaea21a5c3b5e21e6475c1dcb5588f913d7dab
SHA1 hash: a627d325a605d75ed1f9499116865f1cf59d4471
MD5 hash: 9321761f12224e0e491fff2a2ee0871b
humanhash: moon-cold-india-failed
File name:boatnet.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:167'832 bytes
First seen:2025-10-29 15:51:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:ateCEw7sMLz7zd40FbRThTP2TBg343QWDEXtnlXqlsxD0:ateCEw7sMbTbL4g343jD03D0
TLSH T155F31806B58141FDC0D6C1784BAEB936EC31F0DD2239B69B33D4AB262D49E605E1DF68
telfhash t1e051ce703ee6395821d7975d730eda9af8b215201ed674d49e23aae2cd47bc80ed30d2
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c4c170accdccdbda1fcaa4a50c81267854acf6cf3f8bbee2785360864b949955
File size (compressed) :59'144 bytes
File size (de-compressed) :167'832 bytes
Format:linux/amd64
Packed file: c4c170accdccdbda1fcaa4a50c81267854acf6cf3f8bbee2785360864b949955

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Link:
https://www.filescan.io/uploads/690262abde25fddba05c1ec8/reports/dccbf5cd-fea3-479e-8482-54b3eda0d18e/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-06T15:29:00Z UTC
Last seen:
2025-09-06T15:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a9f03e21bd423218ff3033947688f847ea1b5dafcfa85354f2876b1e4ecfd616/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/28b3f5af-89fc-4527-9b27-a54903ae4355
Behavior Graph:
Download SVG
%3 guuid=67665e8a-1a00-0000-412d-8a10040c0000 pid=3076 /usr/bin/sudo guuid=c469ad8c-1a00-0000-412d-8a10050c0000 pid=3077 /tmp/sample.bin net guuid=67665e8a-1a00-0000-412d-8a10040c0000 pid=3076->guuid=c469ad8c-1a00-0000-412d-8a10050c0000 pid=3077 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c469ad8c-1a00-0000-412d-8a10050c0000 pid=3077->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b1d8cb8c-1a00-0000-412d-8a10060c0000 pid=3078 /tmp/sample.bin zombie guuid=c469ad8c-1a00-0000-412d-8a10050c0000 pid=3077->guuid=b1d8cb8c-1a00-0000-412d-8a10060c0000 pid=3078 clone guuid=9bb2cf8c-1a00-0000-412d-8a10070c0000 pid=3079 /tmp/sample.bin guuid=c469ad8c-1a00-0000-412d-8a10050c0000 pid=3077->guuid=9bb2cf8c-1a00-0000-412d-8a10070c0000 pid=3079 clone guuid=9433d28c-1a00-0000-412d-8a10080c0000 pid=3080 /tmp/sample.bin net zombie guuid=c469ad8c-1a00-0000-412d-8a10050c0000 pid=3077->guuid=9433d28c-1a00-0000-412d-8a10080c0000 pid=3080 clone 0d1cf28e-aab8-5d44-84a7-167328ba70a0 178.16.52.103:3778 guuid=9433d28c-1a00-0000-412d-8a10080c0000 pid=3080->0d1cf28e-aab8-5d44-84a7-167328ba70a0 con guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081 /tmp/sample.bin net net-scan send-data guuid=9433d28c-1a00-0000-412d-8a10080c0000 pid=3080->guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081 clone guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con fa1a0508-baa4-5853-aabb-3972c72eb967 178.210.50.77:23 guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081->fa1a0508-baa4-5853-aabb-3972c72eb967 send: 40B f5eb4fde-fedf-5782-8a98-39e56a882ab0 83.218.115.68:23 guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081->f5eb4fde-fedf-5782-8a98-39e56a882ab0 send: 103B ee69a1b6-24b8-570c-98f1-4f0412b2c7c1 83.48.49.146:23 guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081->ee69a1b6-24b8-570c-98f1-4f0412b2c7c1 send: 40B guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081|send-data send-data to 2304 IP addresses review logs to see them all guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081->guuid=d26add8c-1a00-0000-412d-8a10090c0000 pid=3081|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ebff926f-317b-46c8-940d-1fb4fb382a65
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1804320
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804320 Sample: boatnet.x86_64.elf Startdate: 29/10/2025 Architecture: LINUX Score: 84 27 98.16.238.46, 23 WINDSTREAMUS United States 2->27 29 81.187.110.110, 23 WF-ASGB United Kingdom 2->29 31 98 other IPs or domains 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 8 dash rm boatnet.x86_64.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 dash rm 2->12         started        14 16 other processes 2->14 signatures3 process4 process5 16 boatnet.x86_64.elf 8->16         started        19 boatnet.x86_64.elf 8->19         started        21 boatnet.x86_64.elf 8->21         started        23 wrapper-2.0 xfpm-power-backlight-helper 10->23         started        signatures6 33 Sample tries to kill multiple processes (SIGKILL) 16->33 25 boatnet.x86_64.elf 19->25         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a9f03e21bd423218ff3033947688f847ea1b5dafcfa85354f2876b1e4ecfd616
Gathering data
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 20:05:49 UTC
File Type:
ELF64 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhyd4in5iizbr7zqgokhnchyi7vbwxnpz6ufgvhsq5vr4twp2yla._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-xf997azqer/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (1623) amount of remote hosts
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7135870-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/ec265902-aac8-4c84-8113-24dccb42d36e
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a9f03e21bd42/report/overview.html
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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf c4c170accdccdbda1fcaa4a50c81267854acf6cf3f8bbee2785360864b949955

Mirai

elf a9f03e21bd423218ff3033947688f847ea1b5dafcfa85354f2876b1e4ecfd616

(this sample)

  
Dropped by
SHA256 c4c170accdccdbda1fcaa4a50c81267854acf6cf3f8bbee2785360864b949955
  
URLhaus
https://urlhaus.abuse.ch/url/3618113/
  
Delivery method
Distributed via web download

Comments