MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3. 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 6 File information Comments
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SHA256 hash: 253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3
SHA3-384 hash: 801e40e29e021b04bd069fc215b63e04935a65313a114b8510713a1b456c6b7e1df296fad41c3315ced5a0a552c9a739
SHA1 hash: da71a4fb8efdb83854df2bbdfb4ade3e12ae6b2c
MD5 hash: 2f07a76ba4fb0a1900eb605024001d3b
humanhash: emma-friend-five-queen
File name:katrina
Download: download sample
Signature Mirai
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File size:144'759 bytes
First seen:2025-10-16 07:02:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:g28fLA9BiKl3O+gf8bFy2v5S08oQyVqhDrk15WhmG/je8ZuRPD8gMz:O89BiWukJyS83yVUrkemG/je8ZuRPD8P
TLSH T14FE32993F900DFAAF40BE67644D34624B730FF660E531A26721739A7AE361D42827F49
telfhash t16941b5129e7887241ff3a928ecbc86734622562393362e72af3ac0cd54210a4e539d4f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30541.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6981989-0
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Unix.Dropper.Mirai-7139229-0
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Unix.Downloader.Mirai-7340346-0
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Unix.Trojan.Gafgyt-7782058-0
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Unix.Trojan.Mirai-9940650-0
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Unix.Trojan.Mirai-10018298-0
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/68f0988fdf5cb32bf1ef71ae/reports/064cacac-13e7-4696-b4b6-b7a780fcead6/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-16T05:09:00Z UTC
Last seen:
2025-10-16T07:22:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9320df0a-5fde-4eff-a790-6d546d77f952
Behavior Graph:
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%3 guuid=bf33c3f1-1800-0000-e274-b3e156140000 pid=5206 /usr/bin/sudo guuid=af3c2ff3-1800-0000-e274-b3e157140000 pid=5207 /tmp/sample.bin guuid=bf33c3f1-1800-0000-e274-b3e156140000 pid=5206->guuid=af3c2ff3-1800-0000-e274-b3e157140000 pid=5207 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3fdceef2-3249-4793-89b7-2d697f7e2e55
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1796295
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: 1796295 Sample: katrina.elf Startdate: 16/10/2025 Architecture: LINUX Score: 80 49 176.65.139.133, 47038, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 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 21 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 18 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/253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3/
Threat name:
Linux.Backdoor.Gafgyt
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Status:
Malicious
First seen:
2025-10-16 07:03:27 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=euzsh6og5d2ssfysh77tgoxlo5aoesngiksejkgdascovzjdnkzq._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/251016-ht4bgadl4z/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/9ef1e9e5-85bc-4b16-afef-b68cbb05d009
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/253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3

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
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Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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
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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 253323f9c6e8f52917123fff333aeb7740e249a642a444a8c30484eae5236ab3

(this sample)

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

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