MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d41d5685a57d498900a664ba40fde9cbfaec97a836bd3585ececfc93772784c5. 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
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SHA256 hash: d41d5685a57d498900a664ba40fde9cbfaec97a836bd3585ececfc93772784c5
SHA3-384 hash: 66ad0df64f1973007b377c486180e811a5f2620e8b48b79f9b8bfd1276843125305390fa2301117af43a61d74c3204db
SHA1 hash: c6e2581e23a75071ab9bc01df62507a39fc9bd1e
MD5 hash: 4a925c1f4d422d9491016794a5cdca4d
humanhash: alanine-uniform-batman-low
File name:kwari.mpsl
Download: download sample
Signature Mirai
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File size:120'405 bytes
First seen:2025-05-11 19:08:35 UTC
Last seen:2025-05-16 08:04:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:618xlxArvWZWvW3W7W+WfpX5yywjWgT+1SY/l:G6nmWZWvW3W7W+WfpX5pWQ1Hl
TLSH T1CFC309077FB11EFBE85BCD3B46E60711148CE91A23A62B367138ED18B74B28E56D3464
telfhash t19621c1715b2a66156964dfdc89dd7396021c8315534adf33ef2184eca4090dde635c4f
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 :
17
# of downloads :
149
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7136014-0
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Unix.Trojan.Mirai-9876194-0
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6820f75ee16384d6a703911elinux22vpnfull_triage
Tags:
gafgyt mirai ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Opens a port
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6820f5e50b64e174c421e360/reports/cf891c68-494d-43d5-8921-e6fa254a9139/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/354903aa-a14f-4c81-b88e-d96b5fbcbd0d
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1687307
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1687307 Sample: kwari.mpsl.elf Startdate: 11/05/2025 Architecture: LINUX Score: 68 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 30 Contains symbols with names commonly found in malware 2->30 8 kwari.mpsl.elf 2->8         started        process3 process4 10 kwari.mpsl.elf 8->10         started        12 kwari.mpsl.elf 8->12         started        process5 14 kwari.mpsl.elf 10->14         started        16 kwari.mpsl.elf 10->16         started        18 kwari.mpsl.elf 10->18         started        20 2 other processes 10->20 process6 22 kwari.mpsl.elf 14->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d41d5685a57d498900a664ba40fde9cbfaec97a836bd3585ececfc93772784c5
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/d41d5685a57d498900a664ba40fde9cbfaec97a836bd3585ececfc93772784c5/
Threat name:
Linux.Worm.Mirai
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Status:
Malicious
First seen:
2025-05-11 19:09:29 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=2qovnbnfpveysafgms5eb7pjzp5ozf5ig26tlbpm5t6jg5zhqtcq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:kaizen defense_evasion discovery
Link:
https://tria.ge/reports/250511-xtv3esswby/
Behaviour
Changes its process name
Modifies Watchdog functionality
Contacts a large (331747) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a1c8154e-5032-44f3-9fe3-f649459d960e
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/d41d5685a57d498900a664ba40fde9cbfaec97a836bd3585ececfc93772784c5

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
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
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Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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 d41d5685a57d498900a664ba40fde9cbfaec97a836bd3585ececfc93772784c5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3541481/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments