MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b. 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: 9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b
SHA3-384 hash: 74fddffcd24fb6dfd5c21854db0d53468e6416aa8bc0aec5d36afd48cfabfb5c0a89e3f9197d265d1cf6a08ae24cbd21
SHA1 hash: bd0665dcdfe59ae9e659ae7c673c1a6c38d751b8
MD5 hash: 9ecd13975a5c43be66be53e1aec79f15
humanhash: montana-harry-cat-freddie
File name:katrina
Download: download sample
Signature Mirai
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File size:138'605 bytes
First seen:2025-10-13 16:05:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Krg7KFEtaFWfC/iHquVLQ/QGx5S6eYPCybjCrS2ex1YmG/je8ZuR5DTMMz:dOF491bVUYw862ybsTiYmG/je8ZuR5Df
TLSH T172D32893F900DFBBF40AE67604C34A24B670FF664E531626721739A7AE362D42827F45
telfhash t1a94187129a7857141ff39928ecbd86730512962357353eb1af36c1cc54210b0e939d5f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
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/68ed23d44f3013c55e4c3ab3/reports/6a675fba-1281-48ca-a1a3-c66c7daab3f7/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-13T15:15:00Z UTC
Last seen:
2025-10-14T01:10:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d6eb513a-b437-43c7-87b6-c7be2ff2004b
Behavior Graph:
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%3 guuid=5cac219d-2100-0000-8dfe-ff6d270c0000 pid=3111 /usr/bin/sudo guuid=3a78d59e-2100-0000-8dfe-ff6d2f0c0000 pid=3119 /tmp/sample.bin guuid=5cac219d-2100-0000-8dfe-ff6d270c0000 pid=3111->guuid=3a78d59e-2100-0000-8dfe-ff6d2f0c0000 pid=3119 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f9c3e8f9-6727-4abd-b71d-6dda166ac2ab
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1794227
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
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
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behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794227 Sample: katrina.elf Startdate: 13/10/2025 Architecture: LINUX Score: 72 49 176.65.139.133, 47038, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 109.202.202.202, 80 INIT7CH Switzerland 2->51 53 2 other IPs or domains 2->53 57 Antivirus / Scanner detection for submitted sample 2->57 59 Yara detected Gafgyt 2->59 61 Connects to many ports of the same IP (likely port scanning) 2->61 63 Contains symbols with names commonly found in malware 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/9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b/
Threat name:
Linux.Backdoor.Gafgyt
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Status:
Malicious
First seen:
2025-10-13 16:08:43 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tkzuiodvpxztyjywja2lecyqxyhw2ddmtkaolxsvwhea5et4xa5q._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/251013-tk2xtsex6e/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/fc88c10a-aac1-4d7f-abb8-7fae32f4b53e
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/9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b

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 9ab34438757df33c27164834b20b10be0f6d0c6c9a80e5de55b1c80e927cb83b

(this sample)

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

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