MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78
SHA3-384 hash: 8d3961799f8e85d2d963e3f88e9271202093c5c8b856b88618478f952a6d40914d5ae2e9f025960c791d6cc977a33836
SHA1 hash: 10f7fb595b333c470c23958b5fa1d4ff2057796f
MD5 hash: bb735cd8ae85896ea8f664edeafa9a57
humanhash: whiskey-delaware-crazy-mike
File name:nqmwdsyht
Download: download sample
Signature Mirai
Create hunting rule
File size:74'884 bytes
First seen:2026-06-19 13:31:48 UTC
Last seen:2026-06-20 07:17:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:p3NeympaHTRA7cH3b0KQRrd78bzOCRk8Zsn4w8:p3Q/wHTjHL7QTqzO3+64P
TLSH T1C1739E86C43A1DE4DB88AA7431E5DA7513E3C104A1D75FFAA4CAC168A447F8DF808BF4
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 BlinkzSec
Tags:mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
52
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cb4c3411-66e9-4c35-9b62-00a8f5ca15f0/
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-17T13:26:00Z UTC
Last seen:
2026-06-20T23:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.ha
Link:
https://opentip.kaspersky.com/81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/463895be-2dbe-428e-98a8-480ee4ae4d55
Behavior Graph:
Download SVG
%3 guuid=dd562adc-1f00-0000-a8ae-eb6a520c0000 pid=3154 /usr/bin/sudo guuid=60548adf-1f00-0000-a8ae-eb6a540c0000 pid=3156 /tmp/sample.bin guuid=dd562adc-1f00-0000-a8ae-eb6a520c0000 pid=3154->guuid=60548adf-1f00-0000-a8ae-eb6a540c0000 pid=3156 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/187e7c21-0cb3-4351-a034-012bf6326f68
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-17 18:44:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhx4uejtfwzovauc2esy3q6jikn6bfh2kgh7ke3mvtpkgpv3zj4a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet linux
Link:
https://tria.ge/reports/260619-qtayxsgs5p/
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/81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:unixredflags3
Create hunting rule
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 81efca11332db2ea8282d1258dc3c9429be094fa518ff5136cacdea33ebbca78

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3867525/
  
Delivery method
Distributed via web download

Comments