MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e. 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: 12


Intelligence 12 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e
SHA3-384 hash: b57c26b2465756f26e30abdc7c9152ef329ca666c3bdf6d8e5c9bc59e767069d5b5eebbf958400a05d08655fc90547b7
SHA1 hash: 1dd89ad1105839948b2b4ac819dc9790bba7deeb
MD5 hash: b9f4b021c09411f5313b1e480f9fcf60
humanhash: alabama-ink-charlie-sweet
File name:bot.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:139'576 bytes
First seen:2025-12-05 16:17:56 UTC
Last seen:2025-12-06 13:13:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:tGtwnNiaOnUT6FiPT9OSQ7AOaogjV2iZlBWCgaiAXQPdL:tGtwnNiaOnUTAuLyCXQPd
TLSH T11FD33A17B5C180FDC4DAC1B44F9EF53ADD32B1AC1238B16B2BD4AA221E5AE315F1DA50
telfhash t18c51acb12aa539d4a2fbeb7a730bd5a4ec340e2004e134d2edb7adf5de063410d65867
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 :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/215333ea-8fd3-4a36-8aa9-46ddc94b19a4/
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

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

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash lolbin mirai
Link:
https://www.filescan.io/uploads/693305c6bba50eaf04234379/reports/15fff35b-a43d-45a4-a903-c0ae62b0ed0c/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-05T13:47:00Z UTC
Last seen:
2025-12-06T07:08:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1e3fd6a-6765-427b-93e3-341e8a8f2872
Result
Threat name:
Gafgyt, Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1827371
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 Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1827371 Sample: bot.x86_64.elf Startdate: 05/12/2025 Architecture: LINUX Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 3 other signatures 2->37 9 bot.x86_64.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        process3 process4 15 bot.x86_64.elf 9->15         started        process5 17 bot.x86_64.elf 15->17         started        19 bot.x86_64.elf 15->19         started        signatures6 22 bot.x86_64.elf 17->22         started        25 bot.x86_64.elf 17->25         started        39 Sample tries to kill multiple processes (SIGKILL) 19->39 process7 signatures8 41 Sample tries to kill multiple processes (SIGKILL) 22->41 27 bot.x86_64.elf 25->27         started        29 bot.x86_64.elf 25->29         started        process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-05 16:18:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yipxfy74n3zc2ivinncrk5dcyiw2b3j6v2vbe3ntukbzclmbkyxa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/251205-tr2kmsvmb1/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Unexpected DNS network traffic destination
Malware Config
C2 Extraction:
103.178.228.64
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 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_1e0c5ce0 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/72f52246-4d0b-4313-b41d-11b69ab0d5c5
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/c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
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_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
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
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 c21f72e3fc6ef22d22a86b45157462c22da0ed3eaeaa126db3a283912d81562e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3605920/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726956/

Comments