MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a
SHA3-384 hash: e5f92959b13dd2b3ad1b0f8b8da446dc25714e4d75fa316e0bdfdf6090bd043231639a36ae0ad666adb9caf37244e3e3
SHA1 hash: 0c99cc399bd760805a59dc93d1d4a7c19ba36736
MD5 hash: 6fc85228ad99eb33529f16146b036165
humanhash: batman-washington-victor-delaware
File name:cron
Download: download sample
Signature Gafgyt
Create hunting rule
File size:141'485 bytes
First seen:2025-12-01 20:39:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:eVrQyEDCvqBvpnTy3D5hgrJ3JCI0Dmzj0qDJAGyoze:eVrQyEOvqbnT8D5hg6I0Dmzj0qDJAGyX
TLSH T1B7D30A77B61C0793C4C706F11D6B3BF28F68A2F312E761C5661ADA908B739B61412F98
telfhash t18521449271f6ca2d3bb385746cbc43b5225275232741bf756f0ec5c45433052a924dcb
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Dropper.Mirai-7138855-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Tool.Generic-7660959-0
Create hunting rule

Unix.Trojan.Mirai-7688276-0
Create hunting rule

Unix.Trojan.Mirai-8041683-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Gafgyt-9875100-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Connection attempt
Sends data to a server
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/692dfd23297f8a5772f2c35d/reports/8c858afc-e8a3-4357-b37d-d8fb6404cd66/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
Detections:
HEUR:Backdoor.Linux.Gafgyt.a HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.dd HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.bi
Link:
https://opentip.kaspersky.com/39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/74ab0772-3b0a-4bb2-bf01-cc6d6f893d8c
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1823941
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1823941 Sample: cron.elf Startdate: 01/12/2025 Architecture: LINUX Score: 96 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 4 other signatures 2->35 8 cron.elf 2->8         started        11 dash rm 2->11         started        13 dash head 2->13         started        15 9 other processes 2->15 process3 signatures4 37 Opens /proc/net/* files useful for finding connected devices and routers 8->37 17 cron.elf 8->17         started        process5 process6 19 cron.elf 17->19         started        process7 21 cron.elf 19->21         started        23 cron.elf 19->23         started        25 cron.elf 19->25         started        27 cron.elf 19->27         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hh2eeu7iji4vkxzrrbuwpnoimsrirpgyw6ncziscrvzn2sxt4ifa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/251201-zfe56a1rh1/
Malware Config
C2 Extraction:
82.22.184.67:4444
Verdict:
Malicious
Tags:
trojan gafgyt botnet kaiten Unix.Trojan.Tsunami-6981155-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024 botnet_dedsec botnet_RyM botnet_Kaiten botnet_unknown botnet_Vixaati botnet_dayzddos
Link:
https://app.threat.zone/submission/ed74b654-46c7-4fc3-94f4-f9513647630b
Please note that we are no longer able to provide a coverage score for Virus Total.

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_dedsec
Create hunting rule
Author:NDA0E
Description:dedsec botnet
Rule name:botnet_Kaiten
Create hunting rule
Author:NDA0E
Description:Kaiten botnet
Rule name:botnet_mortem_qbot_gafgyt
Create hunting rule
Author:cip
Description:Some strings that stand out from a publicly-available botnet source code (Mortem-qBot-Botnet-Src)
Rule name:botnet_RyM
Create hunting rule
Author:NDA0E
Description:RyM botnet
Rule name:botnet_unknown
Create hunting rule
Author:NDA0E
Description:unknown botnet
Rule name:botnet_Vixaati
Create hunting rule
Author:NDA0E
Description:Vixaati botnet
Rule name:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:enterpriseapps2
Create hunting rule
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Gafgyt

elf 39f44253e84a39555f31886967b5c864a288bcd8b79a2ca2428d72dd4af3e20a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3722466/
  
Delivery method
Distributed via web download

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