MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b19f4e2436cdbe96ca1c1c888a077d6a7f558e44e7611e672f052b1082a2f5. 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: 6


Intelligence 6 IOCs YARA 9 File information Comments

SHA256 hash: f3b19f4e2436cdbe96ca1c1c888a077d6a7f558e44e7611e672f052b1082a2f5
SHA3-384 hash: b4a8d21255cb28576ca47b382a7a43758bb4cfbfa13510dac97194eff8208daf2bc821fc5e0b5adc9da5e5e3e0916337
SHA1 hash: fc31198ca7828292d2e563043be6ba6d149525d8
MD5 hash: d307bb642474cab5568a32f5d0d7618d
humanhash: west-ceiling-batman-oklahoma
File name:f3b19f4e2436cdbe96ca1c1c888a077d6a7f558e44e7611e672f052b1082a2f5.elf
Download: download sample
Signature Mirai
File size:147'988 bytes
First seen:2026-07-30 09:46:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lwizpliDotUJWiyMcjIwF9PLof0BUJJdaPj/re5CwZqSYbAdhBrJguRDvvpvT:a/UUJWiyMc0hEPjpw4qzVDvvpvT
TLSH T1C2E3E609AF601EF7E8AFCD3706ED1B05248C6A5721A83B797574D518F24B28F19E39B0
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 whack_sh
Tags:elf exe mirai whack.sh

Intelligence


File Origin
# of uploads :
1
# of downloads :
158
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Status:
terminated
Behavior Graph:
%3 guuid=066859da-1800-0000-0147-6b5a1e0c0000 pid=3102 /usr/bin/sudo guuid=c272e4df-1800-0000-0147-6b5a250c0000 pid=3109 /tmp/sample.bin guuid=066859da-1800-0000-0147-6b5a1e0c0000 pid=3102->guuid=c272e4df-1800-0000-0147-6b5a250c0000 pid=3109 execve
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 f3b19f4e2436cdbe96ca1c1c888a077d6a7f558e44e7611e672f052b1082a2f5

(this sample)

  
Delivery method
Distributed via web download

Comments