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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a. 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: 7


Intelligence 7 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a
SHA3-384 hash: c5be4b0443dbf79a529387dfe72bfbe5bfc691bd813abe21c5285d1c96e49cce35e32258f35c6bc0dc055b257bfb6a5b
SHA1 hash: c0ea56dfef06382ddc03aaf2e588e1940c182aab
MD5 hash: e0da4ba819634d30c906bdaa24d1f86d
humanhash: ceiling-twenty-aspen-mockingbird
File name:bot.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:474'808 bytes
First seen:2026-08-30 08:25:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:1CtauRmUQ/YO8qt1wlHA9EO6Sn3a4TjPdDa9Uf:1Ct6//Ft1uO6GTr5a9Uf
TLSH T19EA44B4881F1E7CDE164EA7162217C3A5F62063270973DBA71AFE67313A3184B5E9B70
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 :
80
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 expand lolbin masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6a93e8ee8fc04d3b7b4411e6/reports/478ab279-ab85-4c99-a485-6629ffc5e215/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-30T06:57:00Z UTC
Last seen:
2026-08-31T04:52:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/60d71cb6-efa3-4009-91d3-0597213c285f
Behavior Graph:
Download SVG
%3 guuid=696823d8-1600-0000-54cf-70f4550d0000 pid=3413 /usr/bin/sudo guuid=5886dad9-1600-0000-54cf-70f45c0d0000 pid=3420 /tmp/sample.bin guuid=696823d8-1600-0000-54cf-70f4550d0000 pid=3413->guuid=5886dad9-1600-0000-54cf-70f45c0d0000 pid=3420 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/86f339c3-66d7-4c66-b149-353745b84f3e
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-30 08:25:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6qcewbacqnqhulckrzvaj4fwem3v2aovpz6l6d6fbzvig55hpana._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260830-kbew9sak8x/
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/f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a

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_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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Create hunting rule
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 f4044b040283607a2c4a8e6a04f0b623375d01d57e7cbf0fc50e6a8377a7781a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3902395/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3902557/

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