MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c. 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
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SHA256 hash: de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c
SHA3-384 hash: 9e7769971e27d5cd9d08e4cee5cdda4d6f89fc5a6f5f2eaadea6f66759d10a40a5d5a1eb07ef78d569e6c21e68ef9843
SHA1 hash: f91fd6672d17d8aa4f83902448dec2cdedfb6a43
MD5 hash: c23a77738b1a1c4d7f7cadf7f083e877
humanhash: snake-freddie-illinois-stream
File name:katrina
Download: download sample
Signature Mirai
Create hunting rule
File size:131'995 bytes
First seen:2025-08-08 18:38:31 UTC
Last seen:2025-08-09 15:26:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:B4UAOGrOBhzIHWasvueENwoBDe1OyEKDMJU65YmE/5tBZsQVDep5z:sez/BwwmDFyENJUdmE/5tBZsQVDepZ
TLSH T186D32893F904EFA6F00BD77604C34B24B630AFA64F531662721779A7AE362D42827F45
telfhash t1f9317622997943282ff79d28bcad46b311126b2353663f72af76c5cc44260a1e539d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
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Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
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Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Downloader.Mirai-7340346-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
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Unix.Trojan.Mirai-10018298-0
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Unix.Trojan.Mirai-10056454-0
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Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d655bbcc-b179-4953-804f-38b5b99323c1
Behavior Graph:
Download SVG
%3 guuid=b7f98dc2-1600-0000-aef9-19e1910c0000 pid=3217 /usr/bin/sudo guuid=e8ff23c5-1600-0000-aef9-19e1940c0000 pid=3220 /tmp/sample.bin guuid=b7f98dc2-1600-0000-aef9-19e1910c0000 pid=3217->guuid=e8ff23c5-1600-0000-aef9-19e1940c0000 pid=3220 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b301c385-6c0e-4753-b421-1188f3932e84
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1753299
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753299 Sample: katrina.elf Startdate: 08/08/2025 Architecture: LINUX Score: 80 49 206.123.128.67, 51832, 65481 LEASEWEB-USA-NYC-11US United States 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 4 other IPs or domains 2->53 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected Gafgyt 2->61 63 2 other signatures 2->63 9 katrina.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 65 Opens /proc/net/* files useful for finding connected devices and routers 9->65 18 katrina.elf 9->18         started        20 katrina.elf 9->20         started        22 katrina.elf 9->22         started        process6 process7 24 katrina.elf sh 18->24         started        26 katrina.elf sh 18->26         started        28 katrina.elf sh 18->28         started        32 13 other processes 18->32 30 katrina.elf 20->30         started        process8 34 sh killall 24->34         started        37 sh killall 26->37         started        39 sh killall 28->39         started        41 sh killall 32->41         started        43 sh killall 32->43         started        45 sh killall 32->45         started        47 10 other processes 32->47 signatures9 55 Terminates several processes with shell command 'killall' 34->55
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c
Threat name:
Linux.Backdoor.Gafgyt
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Status:
Malicious
First seen:
2025-08-08 18:39:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3yeez2rno3gs33c62otthvgnungbx6p5xkkbubnl645aatjllgga._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250808-xap23ack3x/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/733f076e-c5dc-424b-852f-64bb606bad97
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/de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_plaintext_c2
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Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
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Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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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 de084cea2d76cd2dec5ed3a733d4cda34c1bf9fdba941a05abf73a004d2b598c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576539/
  
Delivery method
Distributed via web download

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