MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972
SHA3-384 hash: 24eb9fe0fc91d5bc3721baeee665153468dbfafbb0488b046c9a7c3238840c248363a32e73c862bfb92c5d9c1970eca2
SHA1 hash: c1b7ac23547d2546a4a83984eba2bef6c3961bf0
MD5 hash: 1842cc3c8dc05e5fb66aa173a58adb8b
humanhash: undress-fish-lithium-delaware
File name:kt7
Download: download sample
Signature Mirai
Create hunting rule
File size:106'172 bytes
First seen:2025-05-13 19:02:23 UTC
Last seen:2025-05-13 19:57:00 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:KnAaNjpUqdCErwjFNTvesGHLRulJvUwHI0+vaBz:KA8UEwy/ulJvUwl+iz
TLSH T146A3B64DE964A728C7E232FFF66912CE322B0B9CB3EA71219E310B5237C9F555935121
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
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:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682398a44a59e5a2ce044ac7linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Opens a port
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6823976e8bd61140fb6e977a/reports/b15c1473-aa0d-4d88-a8f6-280d94f09edb/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/993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972
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/4507e9e3-eba7-4635-9e7e-2d73672aa13c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1689315
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1689315 Sample: kt7.elf Startdate: 13/05/2025 Architecture: LINUX Score: 76 15 daisy.ubuntu.com 2->15 17 Malicious sample detected (through community Yara rule) 2->17 19 Antivirus / Scanner detection for submitted sample 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Mirai 2->23 8 kt7.elf 2->8         started        signatures3 process4 signatures5 25 Sample deletes itself 8->25 11 kt7.elf 8->11         started        process6 process7 13 kt7.elf 11->13         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-13 19:03:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=te4xpx5hkfxxple76gxuovo6457m4ecbvz6hyngal6o3uxs47fza._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery
Link:
https://tria.ge/reports/250513-xqdc7szvc1/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Deletes itself
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972

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_8299c877
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 993977dfa7516f77ac9ff1af4755dee77ece1041ae7c7c34c05f9dba5e5cf972

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532688/
  
Delivery method
Distributed via web download

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