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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc
SHA3-384 hash: 80521b32c5c2050301208dab0ab691ad55acb0ff25642d2e6e9fc555ccf1b3d710172cb9c1156c054d2ac58a1e4066eb
SHA1 hash: cc87b331e13d643a46262c463eaaeadc7b426b30
MD5 hash: 4fd236e9b9e9a0e657598512095ec8f0
humanhash: robert-speaker-batman-spaghetti
File name:morte.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:58'284 bytes
First seen:2026-10-09 01:26:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:UYfPffzWfQuxL/j4oy9RTcEYyrm/EkCx7qn5yQCGEgvM3f/3iRtZAIsYsZJxxEH:UUSfVj4oKJryE32yQTJvM3fqJDsXxq
TLSH T1D1436B0272280A47E1525FF4393F27E083FEE99121F4F5892A0FDA464276F77158AF99
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/cd10b7d7-3195-4d87-8baf-ce41d5f6d12a/
Detection(s):
Sanesecurity.Malware.30419.LX.M0Z.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
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Unix.Dropper.Mirai-7135868-0
Create hunting rule

Unix.Dropper.Mirai-7135891-0
Create hunting rule

Unix.Dropper.Mirai-7135892-0
Create hunting rule

Unix.Dropper.Mirai-7135957-0
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

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

Unix.Dropper.Mirai-7136034-0
Create hunting rule

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

Unix.Dropper.Mirai-7136070-0
Create hunting rule

Unix.Dropper.Mirai-7139230-0
Create hunting rule

Unix.Trojan.Mirai-1
Create hunting rule

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet masquerade mirai mirai
Link:
https://www.filescan.io/uploads/6ac842f68062210a173f8bd0/reports/14046910-c79c-44f7-9421-5a7e80201efe/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-10-08T23:19:00Z UTC
Last seen:
2026-10-10T23:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/660464c3-843d-4d79-8557-7b03cfcd3324
Behavior Graph:
Download SVG
%3 guuid=6d42f6a0-1b00-0000-b806-f40d28090000 pid=2344 /usr/bin/sudo guuid=eed463a7-1b00-0000-b806-f40d32090000 pid=2354 /tmp/sample.bin guuid=6d42f6a0-1b00-0000-b806-f40d28090000 pid=2344->guuid=eed463a7-1b00-0000-b806-f40d32090000 pid=2354 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/785586a0-bda8-4ce8-8926-fdb493ce2466
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-10-09 01:27:30 UTC
File Type:
ELF32 Big (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sh543m44za2m5oyitduqwdxy525p73464jgiybfldngd7oknlo6a._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:mirai botnet linux
Link:
https://tria.ge/reports/261009-bt9d6azw8k/
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/91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc

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_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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: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 91fbcdb39cc834cebb0898e90b0ef8eebaffef9ee24c8c04ab1b4c3fb94d5bbc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3946706/
  
Delivery method
Distributed via web download

Comments