MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78a98c2bd56d524d32f4fd7137fdead480de0848174548858734c1da2ee6e1eb. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
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SHA256 hash: 78a98c2bd56d524d32f4fd7137fdead480de0848174548858734c1da2ee6e1eb
SHA3-384 hash: 3a080936a0c0fb37c7c03946c97c8498ab92a3d5043834b6d714a8ef19a0546f6b4e01032de803a96a44ac303999451e
SHA1 hash: 33567e25d5a54b234e8cbb6872833df89537191f
MD5 hash: e31d861a8afac83e621b1069ba885578
humanhash: speaker-sad-maine-jig
File name:cron
Download: download sample
Signature Mirai
Create hunting rule
File size:83'180 bytes
First seen:2025-07-16 00:16:59 UTC
Last seen:2025-07-16 13:08:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZcK8vY85JNO7FSjkfbs33NclWncWdkS65E0AicyZRxyWi:ZcHJQFVfQTcWdkS65E0Aicyzi
TLSH T13B835B82E24B55F6D82704B4A017B77BDE32D5E688328A46FB25CD21ED339015323FE9
telfhash t18f3118fa1e7e08e8b7c0a844c31e6e816d3de637181035e20473553927dbe4661bad3c
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 :
2
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7640011-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Kills processes
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated obfuscated remote
Link:
https://www.filescan.io/uploads/6876ef8a7bc45bdee1ad8e6c/reports/ae4c1739-8f27-4049-ba12-167b5b756042/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2446ac1-393a-4b89-b060-01a18f28f0ce
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1737610
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1737610 Sample: cron.elf Startdate: 16/07/2025 Architecture: LINUX Score: 64 37 13.23.142.94 XEROX-ELLUS United States 2->37 39 200.86.222.231 VTRBANDAANCHASACL Chile 2->39 41 99 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 9 cron.elf 2->9         started        signatures3 process4 process5 11 cron.elf 9->11         started        signatures6 49 Sample tries to kill multiple processes (SIGKILL) 11->49 14 cron.elf sh 11->14         started        16 cron.elf sh 11->16         started        18 cron.elf sh 11->18         started        20 59 other processes 11->20 process7 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 47 Terminates several processes with shell command 'killall' 22->47
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/78a98c2bd56d524d32f4fd7137fdead480de0848174548858734c1da2ee6e1eb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/78a98c2bd56d524d32f4fd7137fdead480de0848174548858734c1da2ee6e1eb/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-16 00:17:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcuyyk6vnvje2mxu7vytp7pk2san4ccic5curbmhgta5ulxg4hvq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery linux
Link:
https://tria.ge/reports/250716-ak5tya1tcy/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (109323) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7640011-0
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/2cd2628d-4771-4b98-a404-0545ca9ac4e1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.93
Link:
https://yomi.yoroi.company/submissions/78a98c2bd56d524d32f4fd7137fdead480de0848174548858734c1da2ee6e1eb

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 78a98c2bd56d524d32f4fd7137fdead480de0848174548858734c1da2ee6e1eb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576545/
  
Delivery method
Distributed via web download

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