MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 236fb0a7d5cd53df9ab9b4e423a3457d94bc469e71b3344970cefe017bd6f94a. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 236fb0a7d5cd53df9ab9b4e423a3457d94bc469e71b3344970cefe017bd6f94a
SHA3-384 hash: 3349aa958eb187ed902f9ca3d14a1926f75eb768d6395bd35396714fb23d295dff7e2820e229796acac0b74df03027e2
SHA1 hash: ed15ae316b7a7e27b519ad6066c414c587f9f74f
MD5 hash: 0f7bff6d8146642fe90a09bc508a8023
humanhash: south-snake-freddie-hotel
File name:most-arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:184'716 bytes
First seen:2025-05-09 09:58:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Wwh6bvBtirIcaa1mpqGeOqZ0IBDGP5hDosM/RoxQ9yz:WwIvBokcaa1mpqGviBDGPfssM/Rox5z
TLSH T1FD042A46EA414B13C0D727B9FADF4245333397A497EB73069528AFB43F8279E4E22506
telfhash t18b31e2a1867d512a69b1dc54edea57b2651bd6161350bf36de22c0cc280e44ff537c0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
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

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681dd32913f496e95c0341a5linux22vpnfull_triage
Tags:
mirai ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Receives data from a server
Runs as daemon
Deletes a system binary file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/681dd1f30b64e174c41f7939/reports/057d77ea-254c-41e7-ac8c-0a3c2171216b/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b8feabf-1198-492b-b252-d7f4561705e0
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1685259
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1685259 Sample: most-arm7.elf Startdate: 09/05/2025 Architecture: LINUX Score: 84 24 net-killer.cameraddns.net. [malformed] 2->24 26 killer.ydns.eu. [malformed] 2->26 28 4 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 9 most-arm7.elf 2->9         started        11 xfce4-session xfdesktop 2->11         started        13 xfce4-session xfdesktop 2->13         started        15 5 other processes 2->15 signatures3 38 Uses dynamic DNS services 24->38 40 Sends malformed DNS queries 26->40 process4 process5 17 most-arm7.elf 9->17         started        process6 19 most-arm7.elf 17->19         started        signatures7 42 Sample tries to kill multiple processes (SIGKILL) 19->42 22 most-arm7.elf 19->22         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/236fb0a7d5cd53df9ab9b4e423a3457d94bc469e71b3344970cefe017bd6f94a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/236fb0a7d5cd53df9ab9b4e423a3457d94bc469e71b3344970cefe017bd6f94a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-09 09:59:14 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=enx3bj6vzvj57gvzwtschi2fpwklyru6ogztislqz37ac66w7ffa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery
Link:
https://tria.ge/reports/250509-lz74dscn6x/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/236fb0a7d5cd53df9ab9b4e423a3457d94bc469e71b3344970cefe017bd6f94a

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 236fb0a7d5cd53df9ab9b4e423a3457d94bc469e71b3344970cefe017bd6f94a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3501319/
  
Delivery method
Distributed via web download

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