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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0
SHA3-384 hash: eedfa8af384f193376124bdb780e939377226ccc613ae004e50c4d74879ca467f0f0bbcf989d1801f0620e96fac42302
SHA1 hash: 03131d47cddcde709ef1f198568e40eebb49b70b
MD5 hash: 0bd77e851f22db25ab54d607b09860a4
humanhash: uncle-five-arizona-red
File name:a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:121'200 bytes
First seen:2026-10-23 20:57:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uitW8YsBFxAN9bQhGXtgJPvUgxwtQydojYdjb8nTg5fMoO95aqyhAexVnDk2cvO1:uUbytgJPvUZc0DktObk0X63nv1W
TLSH T17FC3180ABFB15EBBD4AFCD3345AA470A28DC460621B53B766574D81CF21B28F56E3C60
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 Tuxxin
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Connection attempt
Creating a file
Opens a port
Sends data to a server
DNS request
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Link:
https://www.filescan.io/uploads/6adbca7092253681a6a71a4f/reports/9d5e9664-46b9-4b2d-bfa2-3cda40889045/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-23T10:52:00Z UTC
Last seen:
2026-10-24T18:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/11699214-3da6-4754-b94a-b39cc5b52d9c
Behavior Graph:
Download SVG
%3 guuid=fd99482b-1700-0000-cd2d-5dd31f0e0000 pid=3615 /usr/bin/sudo guuid=c0446130-1700-0000-cd2d-5dd3290e0000 pid=3625 /tmp/sample.bin guuid=fd99482b-1700-0000-cd2d-5dd31f0e0000 pid=3615->guuid=c0446130-1700-0000-cd2d-5dd3290e0000 pid=3625 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2483fb3c-169c-4a03-ac85-650c85752a9e
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-23 17:07:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vekviyqotsrf7qbez4qhnada3jomv3yrehi6e4rq4vnjuh3wetqa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/261023-zr8xlsvv5j/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Renames itself
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/a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 a91554620e9ca25fc024cf20768060da5ccaef1121d1e27230e55a9a1f7624e0

(this sample)

  
Delivery method
Distributed via web download

Comments