MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21df3e420ad98045a19984f9474cfd1061d0488bd2598f9ab693084ea92b1c4. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a21df3e420ad98045a19984f9474cfd1061d0488bd2598f9ab693084ea92b1c4
SHA3-384 hash: df5b508b0760fa6c4761f014933e6e85a9b901a0579816a15d54db462a70b18d1c36aabf751915eec19e7bd3bbdfe7c3
SHA1 hash: 694271f6f1739822eb46c4716c87eb9283ed3683
MD5 hash: 0ddb280a861751924b9efead7c32a622
humanhash: river-jig-jupiter-lithium
File name:Tsunami.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:170'784 bytes
First seen:2025-05-12 22:02:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:T0r1PO5fXeVcG1Hkw+feBU9w6sbr1fdWL7i4hLqRC:4r1AuVurtw6+RoL2uqRC
TLSH T144F38D32C879AEA8C266C174F5E58E785B13E18441532FBBAAE2C3B54043ED9F505BF4
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 :
125
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

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

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
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

Unix.Trojan.Generic-9910198-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10042712-0
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682270e6e16384d6a703ebd7linux22vpnfull_triage
Tags:
mirai
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade mirai obfuscated remote
Link:
https://www.filescan.io/uploads/6822701d0b64e174c423e08f/reports/3b91cd12-025a-45fb-b01d-a2fc411f90c5/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3f7ac012-b970-40b8-a11f-98ea2cb0f30a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1688428
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 Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1688428 Sample: Tsunami.sh4.elf Startdate: 13/05/2025 Architecture: LINUX Score: 100 27 13.25.97.146, 23 XEROX-WVUS United States 2->27 29 105.247.65.221, 23 Vodacom-VBZA South Africa 2->29 31 98 other IPs or domains 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 8 Tsunami.sh4.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 Tsunami.sh4.elf 8->16         started        19 Tsunami.sh4.elf 8->19         started        21 Tsunami.sh4.elf 8->21         started        23 wrapper-2.0 xfpm-power-backlight-helper 10->23         started        signatures6 33 Sample tries to kill multiple processes (SIGKILL) 16->33 25 Tsunami.sh4.elf 19->25         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a21df3e420ad98045a19984f9474cfd1061d0488bd2598f9ab693084ea92b1c4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a21df3e420ad98045a19984f9474cfd1061d0488bd2598f9ab693084ea92b1c4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-12 22:03:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uio7hzbavwmaiwqztbhzi5gp2edb2beixuszr6nlneyij2uswhca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/250512-1yd69aam7y/
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/20828a12-8289-460b-9b8d-016b3e81daec
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a21df3e420ad98045a19984f9474cfd1061d0488bd2598f9ab693084ea92b1c4

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a21df3e420ad98045a19984f9474cfd1061d0488bd2598f9ab693084ea92b1c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3542177/
  
Delivery method
Distributed via web download

Comments