MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521
SHA3-384 hash: 68fbe76eb12a0f0aa5385e9c47f4ff61b6c773b6774eed959b31082665d1e2843dc057d6ae198ebf01b97660d6104d10
SHA1 hash: 9f259c91b7c30f5a49e0c7853a9ebdb6b4f98a23
MD5 hash: 7e0128b683969eb4425ddcdffcdf8820
humanhash: robert-whiskey-lemon-dakota
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:28'876 bytes
First seen:2026-04-18 06:36:24 UTC
Last seen:2026-04-18 19:20:58 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:U4ylAtv6pqLJM0RXaxGyUbXtheU/S4uhJgGlzDpbuR1Jg:HMBqTRXa+Zhr/8VJu6
TLSH T1D2D2D0BC6B1149D6CA6FE0B44EE507222E60CFB2F1436C077665D5C3BB0A8583CAADC1
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) :28'876 bytes
File size (de-compressed) :85'312 bytes
Format:linux/mips
Unpacked file: 27eba3a25de0ce65c542b70d9463cbb922d8d2cce301fc64ea996f41c072fd47

Intelligence

File Origin
# of uploads :
2
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/de102b8e-b702-45ef-8b1b-cc57732bbb0b/
Detection(s):
Unix.Trojan.Mirai-9955985-0
Create hunting rule

Unix.Trojan.Mirai-9956052-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-04-17T22:00:00Z UTC
Last seen:
2026-04-17T23:52:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/569a6b47-47bc-4555-9f1f-b2d25cc0c713
Behavior Graph:
Download SVG
%3 guuid=f309c5f3-1a00-0000-770f-d8f00e0b0000 pid=2830 /usr/bin/sudo guuid=125d8ef6-1a00-0000-770f-d8f0140b0000 pid=2836 /tmp/sample.bin guuid=f309c5f3-1a00-0000-770f-d8f00e0b0000 pid=2830->guuid=125d8ef6-1a00-0000-770f-d8f0140b0000 pid=2836 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9a5b8294-3566-4e33-b5d9-3b9a8870c685
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-17 23:57:02 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q62nuyzfyclufzzioqlgiqw4utcljwcmpppfiyszul36x3fqwuqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/260418-hdb72sas3v/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Modifies Watchdog functionality
Contacts a large (161964) amount of remote hosts
Creates a large amount of network flows
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/87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521

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: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 87b4da6325c09742e72874166442dca4c4b4d84c7bde546259a2f7ebecb0b521

(this sample)

Mirai

elf 27eba3a25de0ce65c542b70d9463cbb922d8d2cce301fc64ea996f41c072fd47

  
URLhaus
https://urlhaus.abuse.ch/url/3824992/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 27eba3a25de0ce65c542b70d9463cbb922d8d2cce301fc64ea996f41c072fd47
  
Dropping
MD5 e14d2bf6737228471e588bd67da18284

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