MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 337579cb0fa999fda7c40a2974add05bfe7d34ead7f471952019db320d161037. 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 4 File information Comments

SHA256 hash: 337579cb0fa999fda7c40a2974add05bfe7d34ead7f471952019db320d161037
SHA3-384 hash: 661e6520563f12b72525d33db3d6c194a6c042cc825d8e16a208b0f379a3f4e079bd2049d7f5868e6cd0e119c62c4d5f
SHA1 hash: 7273c00535ba6797975287596fa70f55e2c5aa7e
MD5 hash: e6b430c6789bf4b83969498787c476b2
humanhash: early-batman-nevada-vermont
File name:sh4
Download: download sample
Signature Mirai
File size:75'124 bytes
First seen:2026-02-08 18:21:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HaV/q3MMGubNhdXqPaQKF1u9rouSCFfMgz:Hcy8qHKIFQouSHW
TLSH T1A873BF73C428A988E18845B5B4A85E399723FA0042472FF75E96C77A8047EFCF50A3F4
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 :
28
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ez HEUR:Backdoor.Linux.Mirai.b
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1865689 Sample: sh4.elf Startdate: 08/02/2026 Architecture: LINUX Score: 72 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 162.213.35.25, 443, 56108 CANONICAL-ASGB United States 2->53 55 daisy.ubuntu.com 2->55 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Moobot 2->63 8 sh4.elf 2->8         started        12 systemd sh4.elf 2->12         started        14 systemd snapd-env-generator 2->14         started        16 4 other processes 2->16 signatures3 process4 file5 49 /etc/rc.local, POSIX 8->49 dropped 65 Sample tries to persist itself using System V runlevels 8->65 18 sh4.elf sh 8->18         started        20 sh4.elf sh 8->20         started        22 sh4.elf sh 8->22         started        32 2 other processes 8->32 24 sh4.elf sh 12->24         started        26 sh4.elf sh 12->26         started        28 sh4.elf sh 12->28         started        30 sh4.elf 12->30         started        signatures6 process7 process8 34 sh chmod 18->34         started        37 sh systemctl 20->37         started        39 sh systemctl 22->39         started        41 sh systemctl 24->41         started        43 sh systemctl 26->43         started        45 sh systemctl 28->45         started        47 sh systemctl 32->47         started        signatures9 57 Sample tries to set files in /etc globally writable 34->57
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-08 18:22:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai linux
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 337579cb0fa999fda7c40a2974add05bfe7d34ead7f471952019db320d161037

(this sample)

  
Delivery method
Distributed via web download

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