MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3
SHA3-384 hash: f2b983f059563d05939f129ad7d97bc830e484aab9f51a3f8d3d299f0c3e73005816e96cba9f69a74af54b7164bec155
SHA1 hash: cfd4690dece7e4c69beb58c38109bc53d89ec2e4
MD5 hash: 1e27eb14ea3172802d8174b1fde246cd
humanhash: july-edward-stream-wisconsin
File name:mirai.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:152'256 bytes
First seen:2025-12-28 08:36:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zVSmzQoq3FLf4vrLjMqPsKh8fPUuqRUVSWLkpuKHw/VR:zVSmzE3FLf4vrLXX8fPUFcfLi1w/VR
TLSH T109E38C63CC3A2F58D624E4B4B630DF7C5B53A55981476FAA98B3C2768103E8DF5093B8
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

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

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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai
Link:
https://www.filescan.io/uploads/6950ec38e126b9ff4393cace/reports/bb1bd5c1-71a8-41c7-b674-521ca343decd/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-28T07:10:00Z UTC
Last seen:
2025-12-28T12:02:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bea571f5-fb7f-4ff1-9722-124d5c83d18e
Behavior Graph:
Download SVG
%3 guuid=17a14b5a-1800-0000-1d7f-119b770c0000 pid=3191 /usr/bin/sudo guuid=8c5c7c5c-1800-0000-1d7f-119b7e0c0000 pid=3198 /tmp/sample.bin guuid=17a14b5a-1800-0000-1d7f-119b770c0000 pid=3191->guuid=8c5c7c5c-1800-0000-1d7f-119b7e0c0000 pid=3198 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/15cf499a-08eb-4d6b-a86a-b9b4c7586057
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1840754
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840754 Sample: mirai.sh4.elf Startdate: 28/12/2025 Architecture: LINUX Score: 100 46 169.254.169.254, 80 USDOSUS Reserved 2->46 48 86.54.42.154, 443, 53196, 53198 KCOM-SPNService-ProviderNetworkex-MistralGB United Kingdom 2->48 50 daisy.ubuntu.com 162.213.35.24, 38576, 443 CANONICAL-ASGB United States 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 2 other signatures 2->58 10 mirai.sh4.elf 2->10         started        12 systemd .sh 2->12         started        14 systemd snapd-env-generator 2->14         started        16 13 other processes 2->16 signatures3 process4 process5 18 mirai.sh4.elf 10->18         started        20 .sh 12->20         started        process6 22 mirai.sh4.elf 18->22         started        26 .sh 20->26         started        file7 44 /usr/bin/.sh, ELF 22->44 dropped 60 Drops invisible ELF files 22->60 62 Drops files in suspicious directories 22->62 64 Sample deletes itself 22->64 28 mirai.sh4.elf sh 22->28         started        30 mirai.sh4.elf sh 22->30         started        32 mirai.sh4.elf sh 22->32         started        34 mirai.sh4.elf 22->34         started        signatures8 process9 process10 36 sh systemctl 28->36         started        38 sh systemctl 30->38         started        40 sh systemctl 32->40         started        42 mirai.sh4.elf 34->42         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 08:37:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5guhpf2jg6k6p45huu2skrxhbx6pzknh4oziq6djgw2qmk373rq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251228-kh8g6adk4y/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ce8609d2-53d0-47dd-8ca9-749f83c7c746
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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: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 3f4d43bcba49bcaf3f9d3d29a92a37386fe7e54d3f1d9443c349ada8315bfee3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3735504/
  
Delivery method
Distributed via web download

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