MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49
SHA3-384 hash: 8950b33b7a9411d5fc293554a91e2413ed125021033eb9418882042fec417ca50c4a5f639de6b1361c6576ea0afaac66
SHA1 hash: 8517d89ce43470f120585931bc1027c455d03ae2
MD5 hash: f6e791fccc317ae9e4b78fae697bc184
humanhash: lithium-alaska-oklahoma-south
File name:micro.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:56'752 bytes
First seen:2026-05-21 13:17:00 UTC
Last seen:2026-05-21 19:26:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:tXQTegQV/gjWPfo41FRvIzyjpEMbsJVJu/:tZgQqjOf3VIGNrsJVQ/
TLSH T1AA43F13A3B21CBCAC5A694B248DF43992A35191E6557CF3F19CDDFA39C6217B50C0E84
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 UPX
File size (compressed) :56'752 bytes
File size (de-compressed) :185'748 bytes
Format:linux/mips
Unpacked file: b7d80684e537866250563692166eea93e3a5ed4537b9d07e2122bb6aa3787453

Intelligence

File Origin
# of uploads :
2
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/180f18ac-51d5-4586-956c-58152b8a4cc6/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Runs as daemon
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a0f05e5efbd399b39c3232d/reports/81d3e147-891a-43bb-bec4-0fa51b60af7a/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-05-21T10:25:00Z UTC
Last seen:
2026-05-21T19:31:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0367187b-d17d-4c99-a555-15dabe314e5d
Behavior Graph:
Download SVG
%3 guuid=7e1a472d-1b00-0000-bc92-f839ff090000 pid=2559 /usr/bin/sudo guuid=73fa592f-1b00-0000-bc92-f839060a0000 pid=2566 /tmp/sample.bin guuid=7e1a472d-1b00-0000-bc92-f839ff090000 pid=2559->guuid=73fa592f-1b00-0000-bc92-f839060a0000 pid=2566 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ab1a45d7-6231-42bb-967b-49411df504e5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49
Threat name:
Linux.Backdoor.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-05-21 13:17:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rdm4jsnhu64z45shyhvge7gdyt3of5hcwnm6plczo4v757xypneq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260521-qjl87sdw9p/
Behaviour
System Network Configuration Discovery
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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/88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49

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: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: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: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 88d9c4c9a7a7b99e7647c1ea627cc3c4f6e2f4e2b359e7ac59772bfefef87b49

(this sample)

Mirai

elf b7d80684e537866250563692166eea93e3a5ed4537b9d07e2122bb6aa3787453

  
URLhaus
https://urlhaus.abuse.ch/url/3842304/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b7d80684e537866250563692166eea93e3a5ed4537b9d07e2122bb6aa3787453
  
Dropping
MD5 36b65dd1433181a04c01e279db4802dd

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