MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b
SHA3-384 hash: 52ac24b1b50901722779ab11348a358d57913ec42b70f41a4575b9bff992700f36036113c62367aa10f8c5a7c1a699d2
SHA1 hash: ce33c3b6b7c7685224c1b95e90c92b2bf4281d48
MD5 hash: 9ebab266f805944d34be3a9229ab3778
humanhash: foxtrot-virginia-green-double
File name:i586
Download: download sample
Signature Mirai
Create hunting rule
File size:108'844 bytes
First seen:2026-05-30 16:42:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:hXx4wgciZUJ91Tp4EifRIad2/CXc85m4+zfN9WlWTSOwjFn:hXx4fciZUjsrfRTdsd80vzFt+9Fn
TLSH T17CB37CC4F743D0F5E86211B650B7A7778732E83A9039EB41D3692D369C62A60DA1B37C
telfhash t1bb6124fb2ebe0ce47355a806d30e6b523d0dd77b296072a34563992533e6d8142b6c39
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 :
1
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30460.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Launching a process
Receives data from a server
Opens a port
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-30T14:15:00Z UTC
Last seen:
2026-05-31T22:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/38e50633-649f-4c0f-ba5b-5f50b56ff129
Behavior Graph:
Download SVG
%3 guuid=4cf0783a-1b00-0000-3733-9493890a0000 pid=2697 /usr/bin/sudo guuid=09e8cf3c-1b00-0000-3733-9493910a0000 pid=2705 /tmp/sample.bin net guuid=4cf0783a-1b00-0000-3733-9493890a0000 pid=2697->guuid=09e8cf3c-1b00-0000-3733-9493910a0000 pid=2705 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=09e8cf3c-1b00-0000-3733-9493910a0000 pid=2705->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=2d01423d-1b00-0000-3733-9493930a0000 pid=2707 /tmp/sample.bin dns net send-data zombie guuid=09e8cf3c-1b00-0000-3733-9493910a0000 pid=2705->guuid=2d01423d-1b00-0000-3733-9493930a0000 pid=2707 clone 87c2dbf2-2b8a-5511-a250-d778ce5cd415 185.181.61.24:53 guuid=2d01423d-1b00-0000-3733-9493930a0000 pid=2707->87c2dbf2-2b8a-5511-a250-d778ce5cd415 send: 36B 670577f3-4f6e-5ac5-9f6b-d01cbbe9145c zyrec2.duckdns.org:35342 guuid=2d01423d-1b00-0000-3733-9493930a0000 pid=2707->670577f3-4f6e-5ac5-9f6b-d01cbbe9145c send: 40B guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719 /tmp/sample.bin net guuid=2d01423d-1b00-0000-3733-9493930a0000 pid=2707->guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719 clone 18292567-24c1-5786-a609-043bbf84884e 212.118.43.167:2222 guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719->18292567-24c1-5786-a609-043bbf84884e con guuid=0e5e5d41-1b00-0000-3733-9493a00a0000 pid=2720 /usr/bin/dash guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719->guuid=0e5e5d41-1b00-0000-3733-9493a00a0000 pid=2720 execve guuid=41c66a4d-1b00-0000-3733-9493bf0a0000 pid=2751 /usr/bin/dash guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719->guuid=41c66a4d-1b00-0000-3733-9493bf0a0000 pid=2751 execve guuid=1fcbe84d-1b00-0000-3733-9493c30a0000 pid=2755 /usr/bin/dash guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719->guuid=1fcbe84d-1b00-0000-3733-9493c30a0000 pid=2755 execve guuid=606c3b4e-1b00-0000-3733-9493c50a0000 pid=2757 /usr/bin/dash guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719->guuid=606c3b4e-1b00-0000-3733-9493c50a0000 pid=2757 execve guuid=baaa8b4e-1b00-0000-3733-9493c80a0000 pid=2760 /usr/bin/dash guuid=975b5041-1b00-0000-3733-94939f0a0000 pid=2719->guuid=baaa8b4e-1b00-0000-3733-9493c80a0000 pid=2760 execve guuid=9f33a141-1b00-0000-3733-9493a20a0000 pid=2722 /usr/sbin/xtables-nft-multi guuid=0e5e5d41-1b00-0000-3733-9493a00a0000 pid=2720->guuid=9f33a141-1b00-0000-3733-9493a20a0000 pid=2722 execve guuid=68769f4d-1b00-0000-3733-9493c10a0000 pid=2753 /usr/bin/busybox guuid=41c66a4d-1b00-0000-3733-9493bf0a0000 pid=2751->guuid=68769f4d-1b00-0000-3733-9493c10a0000 pid=2753 execve guuid=ee891d4e-1b00-0000-3733-9493c40a0000 pid=2756 /usr/bin/dash guuid=1fcbe84d-1b00-0000-3733-9493c30a0000 pid=2755->guuid=ee891d4e-1b00-0000-3733-9493c40a0000 pid=2756 clone guuid=55586a4e-1b00-0000-3733-9493c60a0000 pid=2758 /usr/bin/dash guuid=606c3b4e-1b00-0000-3733-9493c50a0000 pid=2757->guuid=55586a4e-1b00-0000-3733-9493c60a0000 pid=2758 clone guuid=51e9ca4e-1b00-0000-3733-9493c90a0000 pid=2761 /usr/bin/busybox guuid=baaa8b4e-1b00-0000-3733-9493c80a0000 pid=2760->guuid=51e9ca4e-1b00-0000-3733-9493c90a0000 pid=2761 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/037d378a-deb1-4a8e-a7c3-1ea131dc5c76
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1920654
Signature
Executes the "iptables" command to insert, remove and/or manipulate rules
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1920654 Sample: i586.elf Startdate: 30/05/2026 Architecture: LINUX Score: 64 39 zyrec2.duckdns.org 2->39 41 212.118.43.167, 2222, 36002 VDSINAAE Netherlands 2->41 43 7 other IPs or domains 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 10 i586.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 49 Uses dynamic DNS services 39->49 process4 process5 16 i586.elf 10->16         started        process6 18 i586.elf 16->18         started        process7 20 i586.elf sh 18->20         started        22 i586.elf sh 18->22         started        24 i586.elf sh 18->24         started        26 2 other processes 18->26 process8 28 sh iptables 20->28         started        31 sh busybox 22->31         started        33 sh busybox 24->33         started        35 sh 26->35         started        37 sh 26->37         started        signatures9 51 Executes the "iptables" command to insert, remove and/or manipulate rules 28->51
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-30 16:43:58 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qg7nd5kqf3mphp55llo44bda34oov5amyfizcwkkhchogxov3f5q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/260530-t7xxdsb14q/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b

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_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

File information

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

Web download

Mirai

elf 81bed1f5502ed8f3bfbd5addce0460df1ceaf40cc15191594a388ee35dd5d97b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3855855/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3855900/

Comments