MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b
SHA3-384 hash: ffa3497a83ab411081dd2622e7bebc0350a51a40fc294b785ccf77ba2d1c0f847a71b5f6e730d60a7e99150a14c557c4
SHA1 hash: b862944e2b8f7581eeb0113e859d4f1fd66f8b96
MD5 hash: 358089e9c2b0b69f915398d7104456e2
humanhash: paris-mobile-saturn-magnesium
File name:kt5
Download: download sample
Signature Mirai
Create hunting rule
File size:81'696 bytes
First seen:2025-05-13 18:21:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JtjvW6ERV2llXqqbXxVZnlp/VSVgF6mW:zWrABbztdSVgQmW
TLSH T1D583508DFD55A32EC7E276FBF71812CE263E1B9CB3D672219D310A5237C8B60A525160
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30419.LX.M0Z.UNOFFICIAL
Create hunting rule

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

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

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

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

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

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

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

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68238f13e16384d6a7041f5elinux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68238dd90e639896258315bb/reports/fdd30246-eebb-464b-bb91-286f944de9a9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0e78ac3e-1a3c-4836-939a-df08bff5c004
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1689264
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1689264 Sample: kt5.elf Startdate: 13/05/2025 Architecture: LINUX Score: 68 17 109.202.202.202, 80 INIT7CH Switzerland 2->17 19 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->19 21 3 other IPs or domains 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Yara detected Mirai 2->27 8 dash rm kt5.elf 2->8         started        11 dash rm 2->11         started        signatures3 process4 signatures5 29 Sample deletes itself 8->29 13 kt5.elf 8->13         started        process6 process7 15 kt5.elf 13->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-13 18:22:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utbsyrsppeoiw4algwstrrxlohlnd6yaetlvlgrqkdkl6sf4oqfq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250513-wz1pesy1bt/
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/a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
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: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 a4c32c464f791c8b700b35a538c6eb71d6d1fb0024d7559a3050d4bf48bc740b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3531154/
  
Delivery method
Distributed via web download

Comments