MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0
SHA3-384 hash: 0f0beaf686d1c8610c7ee3e54c945f8a757b3c5e22564a9f5281d464f29218edc0082f6f22f1c1b7c7fcf6907eea9bc3
SHA1 hash: b7d9ae1a870086c43157bc3ba8f7f650692dca4b
MD5 hash: bbc002162737a001227c69f155dc3e5b
humanhash: equal-eight-potato-alaska
File name:xd.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:63'420 bytes
First seen:2026-02-01 23:04:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:3A9qgufLYl4g0eP78cSWE/9aVHf3kd/Qgo/W:CqjfLYlgI78cSWE/UVHfs47O
TLSH T1DC532AC5B193E8F5EC10097D307AAF62AEB7F13B7036DE8BD7D854739942602910629D
telfhash t1d311c2f50e3e24d9e7d8e480c10e2f15395e6633296033e15923ed76229fe8210eac78
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 84b54357c378c2f9ac436a172134818d429972dc8800f63716cc3f43101b7438
File size (compressed) :29'896 bytes
File size (de-compressed) :63'420 bytes
Format:linux/i386
Packed file: 84b54357c378c2f9ac436a172134818d429972dc8800f63716cc3f43101b7438

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6976991-0
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135880-0
Create hunting rule

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

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

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

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

Unix.Trojan.Mirai-9835278-0
Create hunting rule

Unix.Trojan.Mirai-9835289-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

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

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
16
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 185.209.161.130:9506
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ec067008-081c-4a1e-a580-7122b4c9d940
Behavior Graph:
Download SVG
%3 guuid=1f24c512-2800-0000-e6a8-406aa0030000 pid=928 /usr/bin/sudo guuid=49430615-2800-0000-e6a8-406aa1030000 pid=929 /tmp/sample.bin net guuid=1f24c512-2800-0000-e6a8-406aa0030000 pid=928->guuid=49430615-2800-0000-e6a8-406aa1030000 pid=929 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=49430615-2800-0000-e6a8-406aa1030000 pid=929->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d8724415-2800-0000-e6a8-406aa2030000 pid=930 /tmp/sample.bin zombie guuid=49430615-2800-0000-e6a8-406aa1030000 pid=929->guuid=d8724415-2800-0000-e6a8-406aa2030000 pid=930 clone guuid=977c4b15-2800-0000-e6a8-406aa3030000 pid=931 /tmp/sample.bin guuid=49430615-2800-0000-e6a8-406aa1030000 pid=929->guuid=977c4b15-2800-0000-e6a8-406aa3030000 pid=931 clone guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932 /tmp/sample.bin net send-data zombie guuid=49430615-2800-0000-e6a8-406aa1030000 pid=929->guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932 clone guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con ac642b34-d053-5121-bd75-65abc63a5ac8 185.209.161.130:9506 guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932->ac642b34-d053-5121-bd75-65abc63a5ac8 send: 9B guuid=a7bc6115-2800-0000-e6a8-406aa5030000 pid=933 /tmp/sample.bin guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932->guuid=a7bc6115-2800-0000-e6a8-406aa5030000 pid=933 clone guuid=f2756615-2800-0000-e6a8-406aa6030000 pid=934 /tmp/sample.bin guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932->guuid=f2756615-2800-0000-e6a8-406aa6030000 pid=934 clone guuid=15ff6d15-2800-0000-e6a8-406aa7030000 pid=935 /tmp/sample.bin net net-scan send-data guuid=14635315-2800-0000-e6a8-406aa4030000 pid=932->guuid=15ff6d15-2800-0000-e6a8-406aa7030000 pid=935 clone guuid=15ff6d15-2800-0000-e6a8-406aa7030000 pid=935->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=15ff6d15-2800-0000-e6a8-406aa7030000 pid=935|send-data send-data to 4097 IP addresses review logs to see them all guuid=15ff6d15-2800-0000-e6a8-406aa7030000 pid=935->guuid=15ff6d15-2800-0000-e6a8-406aa7030000 pid=935|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2eaa3a50-8c99-49cc-948d-10870e05ec26
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1861327
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1861327 Sample: xd.x86.elf Startdate: 02/02/2026 Architecture: LINUX Score: 80 22 123.105.213.18, 23 XEPHIONNTT-MECorporationJP Japan 2->22 24 104.171.110.134, 23 X2NSAT-SVNUS United States 2->24 26 98 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 xd.x86.elf 2->8         started        signatures3 process4 process5 10 xd.x86.elf 8->10         started        12 xd.x86.elf 8->12         started        14 xd.x86.elf 8->14         started        process6 16 xd.x86.elf 10->16         started        18 xd.x86.elf 10->18         started        20 xd.x86.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-01 23:05:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgtruhlpabyupbyiwryqh53x6j6ekuegpdcu7l7zaqw5gdw3owqa._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/260201-2282gag13a/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20402) amount of remote hosts
Creates a large amount of network flows
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/b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0

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_mirai_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.mirai.
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

sh 28cfc5deec374ad8e21c95db6db27912a90ac5345b5a6b6a63a0bf1171e8eeff

Mirai

elf 84b54357c378c2f9ac436a172134818d429972dc8800f63716cc3f43101b7438

Mirai

elf b9a71a1d6f0071478708b47103f777f27c45508678c54faff9042dd30edb75a0

(this sample)

  
Dropped by
SHA256 84b54357c378c2f9ac436a172134818d429972dc8800f63716cc3f43101b7438
  
URLhaus
https://urlhaus.abuse.ch/url/3769254/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 dc0ac300ee0a6a26d120865338207ae8

Comments