MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8
SHA3-384 hash: 255cf14934f00371f5b45b53583ff06a698dab4364cdb79e019114c9105b325d4a0104f980c99cb27930e62b03e5260e
SHA1 hash: f591d9e3c990e50dd08b7e1385ee8a899abd8574
MD5 hash: c71498540da7fd6f42238a73d42f6514
humanhash: wolfram-may-earth-uncle
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:230'960 bytes
First seen:2026-03-29 23:02:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:LYoHI9SHOBzabKacEK1dAnJd7MHf9ihM/9hAU:LbESuBzabKacE62JqYG/rJ
TLSH T1C2343B45EA418A13C4D117BAF5AF418A3332A794D3DF730699286FB43B877AF0D67602
telfhash t10241bfb3db605627b961c454cafe57a6261dd21a1754ffb3df15848c102a04fa43bc2f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

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

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

YARA.SIGNATURE_BASE_MAL_ARM_LNX_Mirai_Mar13_2022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 172.86.91.224:1999
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-03-29T20:25:00Z UTC
Last seen:
2026-03-30T14:08:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fe4a8b09-9d22-4b73-834f-4af0f627337d
Behavior Graph:
Download SVG
%3 guuid=2d540f1d-1e00-0000-db0a-2794d30d0000 pid=3539 /usr/bin/sudo guuid=d40fdd20-1e00-0000-db0a-2794d50d0000 pid=3541 /tmp/sample.bin guuid=2d540f1d-1e00-0000-db0a-2794d30d0000 pid=3539->guuid=d40fdd20-1e00-0000-db0a-2794d50d0000 pid=3541 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd78490f-ce1e-4c85-ab57-4f6119e599a6
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-29 23:05:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwg47efwd3r6kvol7piquio7y6ea3iy6hm44btpkir74mipp4tma._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari defense_evasion discovery
Link:
https://tria.ge/reports/260329-21587abv51/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
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/858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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: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 858dcf90b61ee3e555cbfbd10a21dfc7880da31e3b39c0cdea447fc621efe4d8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3807950/
  
Delivery method
Distributed via web download

Comments