MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744
SHA3-384 hash: 946944aad60cab396f8dc9149b69829cec6e5824d4f53b0494e7ff82c5d0f606115baf414d392dd698df8612081c8b5c
SHA1 hash: 0f0421537fbd66d145c42857221409a67ea42172
MD5 hash: 632a4ecad4a774787e94b569d4177205
humanhash: mockingbird-skylark-mountain-maryland
File name:kt1
Download: download sample
Signature Mirai
Create hunting rule
File size:23'664 bytes
First seen:2025-08-14 21:06:47 UTC
Last seen:2025-08-15 01:14:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:MdFYYABZIUcPF2V1ILsiEE+PvN4Lo0QjI7DFJosfpXTTe/ZRRNANaNJawcudoD7T:8YYAUtmH14L/Q8HfosRXTAnbcuyD7UBa
TLSH T169B2E151A750AB87E95E50FA10BA350F0D24E1ACFCC5C2C6EBF96839C556B443C2EA12
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 UPX
File size (compressed) :23'664 bytes
File size (de-compressed) :59'872 bytes
Format:linux/i386
Unpacked file: 12670de41d507a24ea63ca280ee8861dc4d1a194097a27dd5a873c9e3dc87c6c

Intelligence

File Origin
# of uploads :
2
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.20318.17202.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Runs as daemon
Opens a port
Connection attempt
Substitutes an application name
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e50ab88-73a4-4076-b962-274dd66d5d5d
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1757451
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757451 Sample: kt1.elf Startdate: 14/08/2025 Architecture: LINUX Score: 68 30 787892.dynv6.net 156.225.31.132, 49204, 49206, 49208 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->30 32 j48asd.dns.army 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 40 Sample is packed with UPX 2->40 8 kt1.elf 2->8         started        10 sshd sshd 2->10         started        12 sshd sshd 2->12         started        14 sshd sshd 2->14         started        signatures3 process4 process5 16 kt1.elf 8->16         started        18 sshd 10->18         started        20 sshd 12->20         started        process6 22 kt1.elf 16->22         started        24 kt1.elf 16->24         started        26 kt1.elf 16->26         started        28 16 other processes 16->28
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 21:10:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ubkjr3lfmmqtmbfsxo45yedtyeabjapxhky3ns7e6cc6v2ouq5ca._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Link:
https://tria.ge/reports/250814-z1hrsa1tdy/
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b8f485a6-dd3b-40ba-b8e9-d8910d317991
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf a05498ed6563213604b2bbb9dc1073c1001481f73ab1b6cbe4f085eae9d48744

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3603570/
  
Delivery method
Distributed via web download

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