MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23a8fef9e04345bcbfe4ceb393db7540418a589147c94a4436b18f033c2281dd. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 23a8fef9e04345bcbfe4ceb393db7540418a589147c94a4436b18f033c2281dd
SHA3-384 hash: c2ed45b865c3ffda37e28411ab51a3b846f60563c5cdc3d429844912b50f72a932f0a397b66a83b64a1ad4913c0c075c
SHA1 hash: 403ef4f17e28716b864f04a0697fbe4cf579f848
MD5 hash: 6254526aec54a34201f98eaf8bcb88ba
humanhash: summer-hawaii-mango-floor
File name:S3o.sh4
Download: download sample
Signature Mirai
File size:103'972 bytes
First seen:2025-11-27 09:47:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:H/I9A0n3bQK05LKGVwS0TYqcKDFVut7DAQmHICwE6SPXc/:Hw9AkrqLK/TfDDwAQmHIEvvc/
TLSH T15EA3BF32C82A5D98C18505B8B4E6DE365B23E5C417932EF71AE6C7A65047EA4F40AFF0
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 :
1
# of downloads :
162
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-27T07:07:00Z UTC
Last seen:
2025-11-27T17:03:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821644 Sample: S3o.sh4.elf Startdate: 27/11/2025 Architecture: LINUX Score: 72 26 169.254.169.254, 80 USDOSUS Reserved 2->26 28 vserge42.bounceme.net 41.216.189.185, 12121, 57674, 57676 AS40676US South Africa 2->28 30 2 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 S3o.sh4.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 S3o.sh4.elf 8->16         started        18 S3o.sh4.elf 8->18         started        20 S3o.sh4.elf 8->20         started        process6 22 S3o.sh4.elf 16->22         started        24 S3o.sh4.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-27 09:48:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 23a8fef9e04345bcbfe4ceb393db7540418a589147c94a4436b18f033c2281dd

(this sample)

  
Delivery method
Distributed via web download

Comments