MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062. 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


Gafgyt


Vendor detections: 9


Intelligence 9 IOCs YARA 7 File information Comments
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SHA256 hash: 3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062
SHA3-384 hash: f86bdc3c7106d68f74ff8b1240184397b46414ed4ce8037dc0e5e491174d2c618b8f2efdf21b505474f6cab93c9a9b38
SHA1 hash: e6a3b5aad5f9ae28c19e9bb2a32133de2fbdab90
MD5 hash: 7092aae445a0100d982f679df2300ad3
humanhash: cup-sodium-nebraska-maine
File name:telnetd
Download: download sample
Signature Gafgyt
Create hunting rule
File size:178'055 bytes
First seen:2025-08-15 12:49:15 UTC
Last seen:2025-08-16 11:22:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:T2Oqa4bpqfoHtX41xHdljx5pHQpx/JATl4LEo5z:T2O9tfoNI1j1NHQpx/JATl4LEoZ
TLSH T178049429BBA19EB7DC0ECE73019A4501108DE94A02D96F6BB2B4E95CF36BD4F04E3D54
telfhash t13a316752997942282ff69928bcad46b30112662353562f72af75c5cc44260a1e539d4b
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
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Unix.Dropper.Mirai-7139229-0
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Unix.Trojan.Mirai-10056454-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Creating a file
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/689f2d26abfbaec318237faf/reports/eb3e8677-56d5-41ab-8e29-1f54bf6e682d/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cd145b4d-38d2-468e-9ab3-f41dd7a23205
Result
Threat name:
Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1757831
Signature
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: 1757831 Sample: telnetd.elf Startdate: 15/08/2025 Architecture: LINUX Score: 72 49 206.123.128.67, 65481 LEASEWEB-USA-NYC-11US United States 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Multi AV Scanner detection for submitted file 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 telnetd.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 telnetd.elf 9->18         started        20 telnetd.elf 9->20         started        22 telnetd.elf 9->22         started        process6 process7 24 telnetd.elf sh 18->24         started        26 telnetd.elf sh 18->26         started        28 telnetd.elf sh 18->28         started        32 5 other processes 18->32 30 telnetd.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 2 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/3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062
Threat name:
Linux.Backdoor.Bashlite
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Status:
Malicious
First seen:
2025-08-15 12:29:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpmaxfkhmm2ue2t24qikukk66rkfog2drgbudbyb3zbta6sfobra._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Link:
https://tria.ge/reports/250815-p2hhasxks7/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Writes memory of remote process
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
Link:
https://app.threat.zone/submission/c63aa066-0f94-4ee8-bec8-b0024675daa9
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/3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062

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: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
Create hunting rule
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

Gafgyt

elf 3bd80b95476335426a7ae410aa295ef454571b438983418701de43307a457062

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576544/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments