MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3. 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: 11


Intelligence 11 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3
SHA3-384 hash: bee5a79c2659b8a1ea0af6822b851d302c1c694878fbb35e61c1736e3aef5292d6f84342970d0512dce550223b4528cc
SHA1 hash: cdfbb3bc65d4bf451ed9142032362bc6fc7b7ca9
MD5 hash: 9e5ce771a7f93302ad6aea30e1ed9d6f
humanhash: fish-batman-one-black
File name:sora.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:74'512 bytes
First seen:2026-01-20 19:13:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:g5raESoQQ2XhezOsjM8v0hu4Z0OPTSWoY/mzAuASj8icWk7q+C/u:g8xQ2X6YW0hbZ0OPTSWZ/yADS1cD7
TLSH T170732BC96682E5F6E805187460AA9BA1DEF7D23A65B4EDCDCBF46533EC41302C60335E
telfhash t1ef1191fa2ea608e8b7d09c01d30d5a317d5d97ab266432b305f3293532aae42506bd38
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 827878f1d42a42f8ad611761ada293b9aea524949f7d4e79853eec8a8838d739
File size (compressed) :30'920 bytes
File size (de-compressed) :74'512 bytes
Format:linux/i386
Packed file: 827878f1d42a42f8ad611761ada293b9aea524949f7d4e79853eec8a8838d739

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/b5454ada-428c-4888-bf97-05752f677de7/
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-7135881-0
Create hunting rule

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

Unix.Trojan.Mirai-7135978-0
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-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136045-0
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-9858729-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai
Link:
https://www.filescan.io/uploads/696fd41f5db9ae47708aa99f/reports/fee30f4f-b7d4-48ac-b4ba-89c2330f18af/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-20T17:24:00Z UTC
Last seen:
2026-01-20T23:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/adbcc10d-3f6a-4d0a-9d0b-5a61b5a56c1b
Behavior Graph:
Download SVG
%3 guuid=e23f39a4-1900-0000-838f-6eab190a0000 pid=2585 /usr/bin/sudo guuid=9702b5a6-1900-0000-838f-6eab230a0000 pid=2595 /tmp/sample.bin net guuid=e23f39a4-1900-0000-838f-6eab190a0000 pid=2585->guuid=9702b5a6-1900-0000-838f-6eab230a0000 pid=2595 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9702b5a6-1900-0000-838f-6eab230a0000 pid=2595->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b2d6f8a6-1900-0000-838f-6eab250a0000 pid=2597 /tmp/sample.bin zombie guuid=9702b5a6-1900-0000-838f-6eab230a0000 pid=2595->guuid=b2d6f8a6-1900-0000-838f-6eab250a0000 pid=2597 clone guuid=7392fca6-1900-0000-838f-6eab260a0000 pid=2598 /tmp/sample.bin guuid=9702b5a6-1900-0000-838f-6eab230a0000 pid=2595->guuid=7392fca6-1900-0000-838f-6eab260a0000 pid=2598 clone guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599 /tmp/sample.bin net send-data zombie guuid=9702b5a6-1900-0000-838f-6eab230a0000 pid=2595->guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599 clone guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 5fce21eb-0b3c-5a4a-b066-b9946943b700 165.245.129.3:81 guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599->5fce21eb-0b3c-5a4a-b066-b9946943b700 send: 9B guuid=821214a7-1900-0000-838f-6eab280a0000 pid=2600 /tmp/sample.bin guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599->guuid=821214a7-1900-0000-838f-6eab280a0000 pid=2600 clone guuid=0ea317a7-1900-0000-838f-6eab290a0000 pid=2601 /tmp/sample.bin guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599->guuid=0ea317a7-1900-0000-838f-6eab290a0000 pid=2601 clone guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602 /tmp/sample.bin net net-scan send-data guuid=0ffaffa6-1900-0000-838f-6eab270a0000 pid=2599->guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602 clone guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 20ff2b46-6ade-54e6-b609-9de59d5c4ba9 83.28.62.83:23 guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602->20ff2b46-6ade-54e6-b609-9de59d5c4ba9 send: 40B 4272f0ea-3e22-5b1b-8979-8ebd0fbce2d9 147.127.176.153:23 guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602->4272f0ea-3e22-5b1b-8979-8ebd0fbce2d9 send: 40B guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602|send-data send-data to 4097 IP addresses review logs to see them all guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602->guuid=f8e71aa7-1900-0000-838f-6eab2a0a0000 pid=2602|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3af7f8ce-4b5c-4678-8af5-19ab25ad3e0f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1854269
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: 1854269 Sample: sora.x86.elf Startdate: 20/01/2026 Architecture: LINUX Score: 72 22 13.15.242.6, 23 XEROX-WBUS United States 2->22 24 190.101.223.190, 23 VTRBANDAANCHASACL Chile 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 sora.x86.elf 2->8         started        signatures3 process4 process5 10 sora.x86.elf 8->10         started        12 sora.x86.elf 8->12         started        14 sora.x86.elf 8->14         started        process6 16 sora.x86.elf 10->16         started        18 sora.x86.elf 10->18         started        20 sora.x86.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-20 19:16:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i424hqq2govlncbophfn6axchchnkyo33th5naepexlurpcpepzq._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-xx1r3sgw8f/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20103) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Trojan.Mirai-6976991-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/5e80ab9c-053e-4a19-9522-b8d6c1443073
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/4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3

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_389ee3e9
Create hunting rule
Author:Elastic Security
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 5b3293270553556b27f8a3521769925f875638809065cdc34e0a078531c3790e

Mirai

elf 827878f1d42a42f8ad611761ada293b9aea524949f7d4e79853eec8a8838d739

Mirai

elf 4735c3c21a33aab6882e79cadf02e2388ed561dbdccfd6808f25d748bc4f23f3

(this sample)

  
Dropped by
SHA256 827878f1d42a42f8ad611761ada293b9aea524949f7d4e79853eec8a8838d739
  
URLhaus
https://urlhaus.abuse.ch/url/3760857/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 83157c6f1d906ff1c70363987984fde3

Comments