MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a
SHA3-384 hash: 68d4646df6329afb4503e29cbd9c49e74cb4fc406166a882687f9f9173a9927aa6576d86d5ea8ad26b496dfcf68a9565
SHA1 hash: 947f981963b2d0ded4fbb0f194360867b7e441d5
MD5 hash: ec5ea4c6ac9a85e86ac23e662686d19f
humanhash: louisiana-xray-carbon-maryland
File name:kt1
Download: download sample
Signature Mirai
Create hunting rule
File size:165'064 bytes
First seen:2025-08-21 19:52:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/2sRznnFIO0SgjR9xOXVAJr2Ylm2M098LtK/4ORRBfpuol+k:nRjOsV4r2YM2+knfpuol+k
TLSH T131F31901BB43C9B2E00311F210959F611E31FA7F6863D85AF3A57D76A936AC09612B7E
telfhash t163613776bbe61edc67d08802d18e5311dd0ce63f344036ba4ae716993732b4252b6cbd
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 :
37
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
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-9853183-0
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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet gcc mirai obfuscated threat
Link:
https://www.filescan.io/uploads/68a7794c4a87ed796767620a/reports/77ed1af7-9e54-4fb8-b2cf-5d7eb0ac3035/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b80b180f-7315-41fd-b1da-a929886ce710
Behavior Graph:
Download SVG
%3 guuid=00538fb8-2100-0000-ab97-7daa7d0a0000 pid=2685 /usr/bin/sudo guuid=e44534ba-2100-0000-ab97-7daa830a0000 pid=2691 /tmp/sample.bin net guuid=00538fb8-2100-0000-ab97-7daa7d0a0000 pid=2685->guuid=e44534ba-2100-0000-ab97-7daa830a0000 pid=2691 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=e44534ba-2100-0000-ab97-7daa830a0000 pid=2691->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692 /tmp/sample.bin net send-data zombie guuid=e44534ba-2100-0000-ab97-7daa830a0000 pid=2691->guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692 clone 0cbdda1b-6fa8-5c3f-9669-401d37d35193 j48asd.dns.army:8856 guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->0cbdda1b-6fa8-5c3f-9669-401d37d35193 send: 2B 4600c3df-65af-5312-9319-0718d2946237 787892.dynv6.net:8856 guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->4600c3df-65af-5312-9319-0718d2946237 send: 2B guuid=ea119aba-2100-0000-ab97-7daa860a0000 pid=2694 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=ea119aba-2100-0000-ab97-7daa860a0000 pid=2694 clone guuid=2c27464b-2400-0000-ab97-7daac30f0000 pid=4035 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=2c27464b-2400-0000-ab97-7daac30f0000 pid=4035 clone guuid=a9f41d4c-2400-0000-ab97-7daac60f0000 pid=4038 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=a9f41d4c-2400-0000-ab97-7daac60f0000 pid=4038 clone guuid=9e64d7dc-2600-0000-ab97-7daa70140000 pid=5232 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=9e64d7dc-2600-0000-ab97-7daa70140000 pid=5232 clone guuid=a75968dd-2600-0000-ab97-7daa71140000 pid=5233 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=a75968dd-2600-0000-ab97-7daa71140000 pid=5233 clone guuid=5919a0de-2600-0000-ab97-7daa72140000 pid=5234 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=5919a0de-2600-0000-ab97-7daa72140000 pid=5234 clone guuid=046b586f-2900-0000-ab97-7daa38150000 pid=5432 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=046b586f-2900-0000-ab97-7daa38150000 pid=5432 clone guuid=62a2ea6f-2900-0000-ab97-7daa39150000 pid=5433 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=62a2ea6f-2900-0000-ab97-7daa39150000 pid=5433 clone guuid=7bb27970-2900-0000-ab97-7daa3a150000 pid=5434 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=7bb27970-2900-0000-ab97-7daa3a150000 pid=5434 clone guuid=c4424601-2c00-0000-ab97-7daaa5150000 pid=5541 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=c4424601-2c00-0000-ab97-7daaa5150000 pid=5541 clone guuid=5954db01-2c00-0000-ab97-7daaa6150000 pid=5542 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=5954db01-2c00-0000-ab97-7daaa6150000 pid=5542 clone guuid=3c216e02-2c00-0000-ab97-7daaa7150000 pid=5543 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=3c216e02-2c00-0000-ab97-7daaa7150000 pid=5543 clone guuid=dddf0b94-2e00-0000-ab97-7daaa8150000 pid=5544 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=dddf0b94-2e00-0000-ab97-7daaa8150000 pid=5544 clone guuid=de91e494-2e00-0000-ab97-7daaa9150000 pid=5545 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=de91e494-2e00-0000-ab97-7daaa9150000 pid=5545 clone guuid=c9687495-2e00-0000-ab97-7daaaa150000 pid=5546 /tmp/sample.bin dns net send-data guuid=123967ba-2100-0000-ab97-7daa840a0000 pid=2692->guuid=c9687495-2e00-0000-ab97-7daaaa150000 pid=5546 clone guuid=ea119aba-2100-0000-ab97-7daa860a0000 pid=2694->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B guuid=2c27464b-2400-0000-ab97-7daac30f0000 pid=4035->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=a9f41d4c-2400-0000-ab97-7daac60f0000 pid=4038->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=9e64d7dc-2600-0000-ab97-7daa70140000 pid=5232->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B guuid=a75968dd-2600-0000-ab97-7daa71140000 pid=5233->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=5919a0de-2600-0000-ab97-7daa72140000 pid=5234->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=046b586f-2900-0000-ab97-7daa38150000 pid=5432->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B guuid=62a2ea6f-2900-0000-ab97-7daa39150000 pid=5433->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=7bb27970-2900-0000-ab97-7daa3a150000 pid=5434->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=c4424601-2c00-0000-ab97-7daaa5150000 pid=5541->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B guuid=5954db01-2c00-0000-ab97-7daaa6150000 pid=5542->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=3c216e02-2c00-0000-ab97-7daaa7150000 pid=5543->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=dddf0b94-2e00-0000-ab97-7daaa8150000 pid=5544->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B guuid=de91e494-2e00-0000-ab97-7daaa9150000 pid=5545->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B guuid=c9687495-2e00-0000-ab97-7daaaa150000 pid=5546->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 34B
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/83264b58-4d1f-484f-a2a3-baed416b8bcf
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1762468
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: 1762468 Sample: kt1.elf Startdate: 21/08/2025 Architecture: LINUX Score: 80 20 787892.dynv6.net 1.1.1.1, 8856 CLOUDFLARENETUS Australia 2->20 22 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->22 24 j48asd.dns.army 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 8 kt1.elf 2->8         started        signatures3 process4 process5 10 kt1.elf 8->10         started        process6 12 kt1.elf 10->12         started        14 kt1.elf 10->14         started        16 kt1.elf 10->16         started        18 30 other processes 10->18
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 19:53:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdozqkf5zttk6gsyj43unbk7lvcfu6bc2prizzvu2thnpkuls5fa._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
linux
Link:
https://tria.ge/reports/250821-ymanksxnt2/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_389ee3e9 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/338b78cc-84d2-415c-b5ca-c1447c95aed0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a

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:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
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: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 28dd9828bdcce6af1a584f3746855f5d445a7822d3e28ce6b4d4ced7aa8b974a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3604028/
  
Delivery method
Distributed via web download

Comments