MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c
SHA3-384 hash: 836cdff31365626003856c0c7c2be4d5492a44f52c6b002d70cdd3c5769ccce8c15f59dc1574e50f92b903d959f2d351
SHA1 hash: ec562b988cefb6e1db6cfb5f38e67b76de879bee
MD5 hash: 4ae8013f95a6436a4906a61829a36b13
humanhash: failed-illinois-wolfram-johnny
File name:ub8ehJSePAfc9FYqZIT6.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:66'380 bytes
First seen:2025-12-28 07:39:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CrBlAoGHtLw+mSQX22rwhy0SVbUJb7+7Z:C7Ao51SQG2syCJfUZ
TLSH T11F5302BECA3CB88BC1586C69814DE3B17B6BA060B5CBDB6943D74D1D126740B78C643E
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :66'380 bytes
File size (de-compressed) :214'584 bytes
Format:linux/mipsel
Unpacked file: 504b170234e4b75507014fc370c983f25b96765c6548dd20102c50b98cd8cb7f

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8e0013ac-e58b-422f-8233-1a6d5731b62b/
Detection(s):
SecuriteInfo.com.Linux.Mirai-20.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6950dee9e126b9ff4393c0e1/reports/8759237c-a61c-4106-a7f3-4f090170b0ec/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ddacafdd-1e00-4d7c-a886-b85e3b91dd82
Behavior Graph:
Download SVG
%3 guuid=1256fed9-1a00-0000-882a-7257ca090000 pid=2506 /usr/bin/sudo guuid=e1be09dc-1a00-0000-882a-7257cf090000 pid=2511 /tmp/sample.bin guuid=1256fed9-1a00-0000-882a-7257ca090000 pid=2506->guuid=e1be09dc-1a00-0000-882a-7257cf090000 pid=2511 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1a711774-ff8e-4615-af79-3970b8a1e6d9
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1840743
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840743 Sample: ub8ehJSePAfc9FYqZIT6.mpsl.elf Startdate: 28/12/2025 Architecture: LINUX Score: 84 24 bytenet.serveftp.com 45.83.207.105, 3778 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 3 other signatures 2->32 8 ub8ehJSePAfc9FYqZIT6.mpsl.elf 2->8         started        signatures3 process4 process5 10 ub8ehJSePAfc9FYqZIT6.mpsl.elf 8->10         started        12 ub8ehJSePAfc9FYqZIT6.mpsl.elf 8->12         started        14 ub8ehJSePAfc9FYqZIT6.mpsl.elf 8->14         started        16 2 other processes 8->16 process6 18 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->18         started        20 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->20         started        22 ub8ehJSePAfc9FYqZIT6.mpsl.elf 10->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 07:40:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ji4mvjaz4oltadhm3iook5enldpvwge4j7uhglopiie57oclt5oa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/251228-jhqfxagt8c/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/97d1b85f-1c61-445a-b8df-24852d11acd5
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/4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4a38caa419e397300cecda1ce5748d58df5b189c4fe8732dcf4209dfb84b9f5c

(this sample)

Mirai

elf 504b170234e4b75507014fc370c983f25b96765c6548dd20102c50b98cd8cb7f

  
URLhaus
https://urlhaus.abuse.ch/url/3744959/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 504b170234e4b75507014fc370c983f25b96765c6548dd20102c50b98cd8cb7f
  
Dropping
MD5 0ef62fb805c77617619b97a43237b76e

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