MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b
SHA3-384 hash: 4c98478a017ef0f41096409ddd8f85b7297cc96db20c0f1945d43c3b741d40331575adf26399a0d88bebe141107f5a06
SHA1 hash: d6635321dd59068dec14e91730f3e1c171e268cf
MD5 hash: 0797298bc07d2efdc0c756fe4c4549dc
humanhash: blossom-neptune-seventeen-mockingbird
File name:kt3
Download: download sample
Signature Mirai
Create hunting rule
File size:292'392 bytes
First seen:2025-08-31 02:23:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:01q5ID4u3CUq2lLTbmgKzVzQRiVfPGWFsPta:01uUq2lagaVzaSPGWGPt
TLSH T18054406A6B729FB7EC1ACD3301D94502158CA28A52D92F6FB6B0C61CE78BD4F44D3C94
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
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.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.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-9441505-0
Create hunting rule

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/68b3b2218d7e23876185181f/reports/164d9af7-9322-4f0a-90c8-73ef53d248ed/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-31T00:23:00Z UTC
Last seen:
2025-08-31T00:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6ba94166-5d15-44f6-bb61-bc6004367ebe
Behavior Graph:
Download SVG
%3 guuid=d354afdd-1900-0000-0888-4bd1e60b0000 pid=3046 /usr/bin/sudo guuid=ef2ad0df-1900-0000-0888-4bd1ef0b0000 pid=3055 /tmp/sample.bin guuid=d354afdd-1900-0000-0888-4bd1e60b0000 pid=3046->guuid=ef2ad0df-1900-0000-0888-4bd1ef0b0000 pid=3055 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/446e8e11-ebe3-496f-912c-56826876739c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1768344
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1768344 Sample: kt3.elf Startdate: 31/08/2025 Architecture: LINUX Score: 80 21 j48asd.dns.army 156.225.31.132, 49196, 8856 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->21 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 2 other IPs or domains 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 9 kt3.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 kt3.elf 9->13         started        process6 15 kt3.elf 13->15         started        17 kt3.elf 13->17         started        process7 19 kt3.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-31 03:13:45 UTC
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zg3xk7kpgbshvpz3t27yeda5vybf6a3sidyyfxfusyyygtizp4vq._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/250831-cvdvbaslv9/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/2265417b-8e24-4b5a-90ac-39d3d226092b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mirai_Unpack
Create hunting rule
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 c9b7757d4f30647abf3b9ebf820c1dae025f037240f182dcb49631834d197f2b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3532686/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3604034/

Comments