MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c34312a03bd9bf038eda59bfc009d59295665034cf652fcd7b09d7fb21231c95. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c34312a03bd9bf038eda59bfc009d59295665034cf652fcd7b09d7fb21231c95
SHA3-384 hash: 5fb53795498d054a6cd6a443c21a594dd6a559b5c36c071d8880ed68e64821a90153181f7b5f9ef13dcecbdcd3730039
SHA1 hash: 7c61305f501e0c4f1dff1b21889013011a72e64d
MD5 hash: 9b0ed62074f7dbdbbddc0ee36b9b8b63
humanhash: juliet-eighteen-three-stream
File name:5r3fqt67ew531has4231.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:83'376 bytes
First seen:2026-01-20 20:57:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ahBARPcjDER1uECC+ZE+cmRkV4+bg3GifM5HVlG2to2gZMABKrAHJ+SwbZnY:ahBMPcMR1uECC+Umh+c3GifMXlttA9B5
TLSH T1E6835CE4E643D8F1DD4345713077AF33BAB6D0FA122AE697E3A86932EC415029407ADD
telfhash t16231d4fa0e7a18f977d46c49821f6e213a99937724a031b341b3d43122ebe41447fc39
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 80121cd0ff12e83431f571a8cf77493dc756daf1e202d065c7c0a2dd55298d4f
File size (compressed) :37'724 bytes
File size (de-compressed) :83'376 bytes
Format:linux/i386
Packed file: 80121cd0ff12e83431f571a8cf77493dc756daf1e202d065c7c0a2dd55298d4f

Intelligence

File Origin
# of uploads :
1
# of downloads :
38
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/26ef7d1b-7c8f-44de-86b2-ce140aa9e1e0/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28877.LC.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

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

Unix.Dropper.Mirai-7136034-0
Create hunting rule

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

Unix.Dropper.Mirai-7355719-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9861139-0
Create hunting rule

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

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

Unix.Dropper.Mirai-9977145-0
Create hunting rule

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

Unix.Trojan.Mirai-10027280-0
Create hunting rule

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

Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ddb412d7-5649-4405-8d16-a641abff9366
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1854407
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1854407 Sample: 5r3fqt67ew531has4231.x86.elf Startdate: 20/01/2026 Architecture: LINUX Score: 100 34 46.60.20.105 ZAYTONAPS Palestinian Territory Occupied 2->34 36 156.97.30.164 XNSTGCA Chile 2->36 38 98 other IPs or domains 2->38 40 Suricata IDS alerts for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 6 other signatures 2->46 8 5r3fqt67ew531has4231.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 5r3fqt67ew531has4231.x86.elf sh 8->14         started        16 5r3fqt67ew531has4231.x86.elf 8->16         started        process6 18 sh rm 14->18         started        20 sh mkdir 14->20         started        22 sh mv 14->22         started        24 sh chmod 14->24         started        26 5r3fqt67ew531has4231.x86.elf 16->26         started        28 5r3fqt67ew531has4231.x86.elf 16->28         started        30 5r3fqt67ew531has4231.x86.elf 16->30         started        32 4 other processes 16->32
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c34312a03bd9bf038eda59bfc009d59295665034cf652fcd7b09d7fb21231c95
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c34312a03bd9bf038eda59bfc009d59295665034cf652fcd7b09d7fb21231c95/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c34312a03bd9bf038eda59bfc009d59295665034cf652fcd7b09d7fb21231c95
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-20 21:23:24 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynbrfib33g7qhdw2lg74acovskkwmubuz5ss7tl3bhl7wijddskq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260120-zr631saz9b/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
File and Directory Permissions Modification
Contacts a large (410368) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
31.58.58.212
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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
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_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
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:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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:testlumma
Create hunting rule
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 80121cd0ff12e83431f571a8cf77493dc756daf1e202d065c7c0a2dd55298d4f

Mirai

elf c34312a03bd9bf038eda59bfc009d59295665034cf652fcd7b09d7fb21231c95

(this sample)

  
Dropped by
SHA256 80121cd0ff12e83431f571a8cf77493dc756daf1e202d065c7c0a2dd55298d4f
  
URLhaus
https://urlhaus.abuse.ch/url/3761010/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 f159764d4af14c35046d93778c1f0a5d

Comments