MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d
SHA3-384 hash: 67c989e4a991d0bc7596c881a2db7b81665fb4b4196eb8761806cf5b7fc9e2b042c0ad77280fd9dd653159d89c12432d
SHA1 hash: 2d7d2479a313306f2eb7471be11d7d32c10f7aa8
MD5 hash: c400d2decc1d0ec390a0b8031371dd2b
humanhash: eight-monkey-aspen-fillet
File name:ntx86
Download: download sample
Signature Mirai
Create hunting rule
File size:33'039 bytes
First seen:2026-01-05 07:18:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:KsuvM2s5D/heXFPkZbSFTR7Jk7KLECXgETZ:HuvM2s5D/gFPkstJ4KoCXgE
TLSH T1C0E2E11816AC8077DE0DD37F5A2AB80CBB26F049666E11C30E9DC9569927E6C2372C27
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 :
1
# of downloads :
63
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7ecdfecc-938d-4448-9dc0-721d7339185a/
Detection(s):
SecuriteInfo.com.Linux.Mirai-17.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed packed upx
Link:
https://www.filescan.io/uploads/695b65f12fb7bb52ca874c15/reports/3ef8bba0-8749-427d-80f7-50de2f87bfc2/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-05T04:25:00Z UTC
Last seen:
2026-01-05T07:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/c6a5c16b-d543-4a47-aa03-772ba6da55aa
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1844729
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844729 Sample: ntx86.elf Startdate: 05/01/2026 Architecture: LINUX Score: 72 21 94.156.152.67, 18129, 60340 NET1-ASBG Bulgaria 2->21 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 3 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 33 Sample is packed with UPX 2->33 8 ntx86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 35 Sample deletes itself 8->35 15 ntx86.elf 8->15         started        process6 process7 17 ntx86.elf 15->17         started        19 ntx86.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-05 07:19:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vcvguulfs4joeojaacf2vntgphgxeuxf5uwfne6bdhkhlkd3ungq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260105-h5atasymal/
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9d79abd0-a6a5-4bd0-805b-d5812eb2546c
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d

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 a8aa6a51659712e23920008baab66679cd7252e5ed2c5693c119d475a87ba34d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3740745/
  
Delivery method
Distributed via web download

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