MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47
SHA3-384 hash: ec7d2441be122c3a3b56d28a705b81f40b3a588b5c076ac99761fd034d8d951288acadeac57aeb4c002ded9e1110c7ef
SHA1 hash: 67c78a42b86fea4943ae909a5ae2c151dc7b52b9
MD5 hash: 4459741a7e0fde39dbb492a6bb90c42d
humanhash: carpet-purple-utah-pasta
File name:i686
Download: download sample
Signature Mirai
Create hunting rule
File size:178'928 bytes
First seen:2025-12-31 21:33:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:b+27ju0Ep/sxNWhPPCokaDZPxukB5IDzKw9WCsZsbqy3sc0VbRThGB1CIq:5nu0E/sxMhPPCoVeapnsz4VbOq
TLSH T169044B41F68780FACC578C7050A7F73FCB32A82A4077D65DEF995F31DA23A0196162A9
telfhash t1c9617ffbba691aec67d08a0187ca2f21ef0de27b741132bd05f316d421b3a416578c79
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 8003a229f271d217ccae1c6de4ffd47fd0827b94fb3dc552b2ae258c703a4c45
File size (compressed) :69'268 bytes
File size (de-compressed) :178'928 bytes
Format:linux/i386
Packed file: 8003a229f271d217ccae1c6de4ffd47fd0827b94fb3dc552b2ae258c703a4c45

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/23e1bccc-642c-46c8-b7d5-4d153c5985d0/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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-7136016-0
Create hunting rule

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

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

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

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10017298-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated obfuscated
Link:
https://www.filescan.io/uploads/695596d32fb7bb52ca83b255/reports/60f77e3e-bf6a-4a1c-8be5-6ea80ebae610/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T18:38:00Z UTC
Last seen:
2025-12-31T19:34:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/832b1fbb-d04e-4139-9e42-ad52db1a1f57
Behavior Graph:
Download SVG
%3 guuid=98d09f34-1900-0000-d6c9-3202c50f0000 pid=4037 /usr/bin/sudo guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047 /tmp/sample.bin net write-config write-file guuid=98d09f34-1900-0000-d6c9-3202c50f0000 pid=4037->guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c73e3738-1900-0000-d6c9-3202d40f0000 pid=4052 /usr/bin/dash guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047->guuid=c73e3738-1900-0000-d6c9-3202d40f0000 pid=4052 execve guuid=6f26173b-1900-0000-d6c9-3202e00f0000 pid=4064 /usr/bin/dash guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047->guuid=6f26173b-1900-0000-d6c9-3202e00f0000 pid=4064 execve guuid=e66cbc3e-1900-0000-d6c9-3202ef0f0000 pid=4079 /tmp/sample.bin guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047->guuid=e66cbc3e-1900-0000-d6c9-3202ef0f0000 pid=4079 clone guuid=9f2ff86a-1a00-0000-d6c9-3202ff130000 pid=5119 /tmp/sample.bin guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047->guuid=9f2ff86a-1a00-0000-d6c9-3202ff130000 pid=5119 clone guuid=a44fff6a-1a00-0000-d6c9-320200140000 pid=5120 /tmp/sample.bin dns net send-data zombie guuid=bed81d37-1900-0000-d6c9-3202cf0f0000 pid=4047->guuid=a44fff6a-1a00-0000-d6c9-320200140000 pid=5120 clone guuid=7f2d7138-1900-0000-d6c9-3202d70f0000 pid=4055 /usr/bin/systemctl guuid=c73e3738-1900-0000-d6c9-3202d40f0000 pid=4052->guuid=7f2d7138-1900-0000-d6c9-3202d70f0000 pid=4055 execve guuid=bd4b473b-1900-0000-d6c9-3202e20f0000 pid=4066 /usr/bin/systemctl guuid=6f26173b-1900-0000-d6c9-3202e00f0000 pid=4064->guuid=bd4b473b-1900-0000-d6c9-3202e20f0000 pid=4066 execve guuid=e0cbffa3-1900-0000-d6c9-32027a110000 pid=4474 /tmp/sample.bin guuid=e66cbc3e-1900-0000-d6c9-3202ef0f0000 pid=4079->guuid=e0cbffa3-1900-0000-d6c9-32027a110000 pid=4474 clone guuid=74cf05a4-1900-0000-d6c9-32027b110000 pid=4475 /tmp/sample.bin guuid=e66cbc3e-1900-0000-d6c9-3202ef0f0000 pid=4079->guuid=74cf05a4-1900-0000-d6c9-32027b110000 pid=4475 clone guuid=a44fff6a-1a00-0000-d6c9-320200140000 pid=5120->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 54d92a3b-1447-55af-b534-047898c60c8d 1.1.1.1:53 guuid=a44fff6a-1a00-0000-d6c9-320200140000 pid=5120->54d92a3b-1447-55af-b534-047898c60c8d send: 36B 55e75a70-5f0f-5401-b0ef-995451b8fb69 teamc2.duckdns.org:12121 guuid=a44fff6a-1a00-0000-d6c9-320200140000 pid=5120->55e75a70-5f0f-5401-b0ef-995451b8fb69 send: 10B guuid=e0caa30f-2000-0000-d6c9-320298140000 pid=5272 /tmp/sample.bin net send-data guuid=a44fff6a-1a00-0000-d6c9-320200140000 pid=5120->guuid=e0caa30f-2000-0000-d6c9-320298140000 pid=5272 clone 57eef46f-9f16-5b72-b6a5-b9f889664862 176.65.132.174:80 guuid=e0caa30f-2000-0000-d6c9-320298140000 pid=5272->57eef46f-9f16-5b72-b6a5-b9f889664862 send: 5735800B guuid=c933b70f-2000-0000-d6c9-320299140000 pid=5273 /tmp/sample.bin guuid=e0caa30f-2000-0000-d6c9-320298140000 pid=5272->guuid=c933b70f-2000-0000-d6c9-320299140000 pid=5273 clone
Gathering data
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1842842
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842842 Sample: i686.elf Startdate: 31/12/2025 Architecture: LINUX Score: 88 55 teamc2.duckdns.org 151.242.30.13, 12121, 60870 RASANAIR Iran (ISLAMIC Republic Of) 2->55 57 176.65.132.174, 0, 33816, 33818 DIOGELO-ASGB Germany 2->57 59 daisy.ubuntu.com 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for dropped file 2->65 67 3 other signatures 2->67 10 i686.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 53 /usr/local/bin/infinitd, ELF 10->53 dropped 15 i686.elf 10->15         started        17 i686.elf sh 10->17         started        19 i686.elf sh 10->19         started        21 2 other processes 10->21 process6 process7 23 i686.elf 15->23         started        25 i686.elf 15->25         started        27 i686.elf 15->27         started        29 sh systemctl 17->29         started        31 sh systemctl 19->31         started        33 i686.elf 21->33         started        35 i686.elf 21->35         started        process8 37 i686.elf 23->37         started        39 i686.elf 23->39         started        41 i686.elf 25->41         started        43 i686.elf 27->43         started        process9 45 i686.elf 37->45         started        47 i686.elf 37->47         started        49 i686.elf 37->49         started        51 84 other processes 37->51
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 21:34:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3aksb636njfwxembn3kujlqu4edezcid7h5syb7rlv6h6jek5ndq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/251231-1edrdaaj6v/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Creates a large amount of network flows
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/b345ee10-95d7-431e-a1f1-cafb4ef685da
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 8003a229f271d217ccae1c6de4ffd47fd0827b94fb3dc552b2ae258c703a4c45

Mirai

elf d81520fb7e6a4b6b91816ed544ae14e1064c8903f9fb2c07f15d7c7f248aeb47

(this sample)

  
Dropped by
SHA256 8003a229f271d217ccae1c6de4ffd47fd0827b94fb3dc552b2ae258c703a4c45
  
URLhaus
https://urlhaus.abuse.ch/url/3722808/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 336ea7e68b5b76c4858118c8478a14f4
  
URLhaus
https://urlhaus.abuse.ch/url/3722798/
  
URLhaus
https://urlhaus.abuse.ch/url/3719336/

Comments