MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac. 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: 13

Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash:	b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac
SHA3-384 hash:	8d5ba630dd4f2510527ca203d870abf15a7347130c43465547009b5eb97c695aefc586bb792cb939936dbcc499cc2054
SHA1 hash:	90fe6f09271104654a7ba4290dc360d7c1d3d286
MD5 hash:	83feaa06a0d71cbf5f81278365579714
humanhash:	sink-aspen-hamper-stream
File name:	strix.i686
Download:	download sample
Signature	Gafgyt Create hunting rule
File size:	142'599 bytes
First seen:	2025-02-23 17:47:16 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:yclx0/BKMUytBXSwwi3yMzS5h6NFl/0mJswdytNr9:y3xrXZzS5hEWmJswdytNr9
TLSH	T1B9D329B9F342C2B3C44706B1115BDA3B4D31B6F7176E6A06E3681DB0AE628C23499F5D
telfhash	t1c6215352a1f5cb282bb389349dbc07f1225666136242bf756f0ec5c458330536938ddb
TrID	50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika	elf
Reporter	abuse_ch
Tags:	elf gafgyt

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67bb5f6028ab76d43a5cc09elinux22vpnfull_triage

Tags:

shellcode

Result

Verdict:

Malware

Maliciousness:

Behaviour

Receives data from a server

Runs as daemon

Connection attempt

Sends data to a server

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

gcc lolbin masquerade obfuscated remote

Link:

https://www.filescan.io/uploads/67bb5f5d3afc3763bec29153/reports/9c772ac6-87d0-4fc7-aac9-fe68240c2acb/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

x86

Packer:

not packed

Botnet:

unknown

Number of open files:

Number of processes launched:

Processes remaning?

false

Remote TCP ports scanned:

not identified

Full report:

https://elfdigest.com/brief/b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

type:Gafgyt 37.44.238.66:5334

UDP botnet C2(s):

not identified

Malware family:

Gafgyt

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/08b2d315-38a9-456f-ae26-d869b864a0e3

Result

Threat name:

Gafgyt, Mirai

Detection:

malicious

Classification:

spre.troj

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1622315

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

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac/

Threat name:

Linux.Trojan.LnxGafgyt

Status:

Malicious

First seen:

2025-02-23 17:48:14 UTC

File Type:

ELF32 Little (Exe)

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w5oo7tnp5ykvv7j4u7r2ixhyrhhueubcz3uvduoe47djrkexhowa._file

Result

Malware family:

gafgyt

Score:

10/10

Tags:

family:gafgyt discovery linux

Link:

https://tria.ge/reports/250223-wdfr5avqs9/

Behaviour

Reads system network configuration

Reads system routing table

Malware Config

C2 Extraction:

37.44.238.66:5334

Verdict:

Malicious

Tags:

trojan gafgyt botnet kaiten Unix.Trojan.Tsunami-6981155-0

YARA:

Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_e6d75e6f Linux_Gafgyt_May_2024 botnet_dedsec botnet_RyM botnet_Kaiten botnet_unknown botnet_Vixaati botnet_dayzddos

Link:

https://app.threat.zone/submission/ea3e13db-6e43-422c-ad4d-a5bc84e042bb

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

BASHLITE

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac

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_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_e6d75e6f 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 b75cefcdafee155afd3ca7e3a45cf889cf425022cee951d1c4e7c698a8973bac

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3450079/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3450089/

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