MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d. 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: 12

Intelligence 12 IOCs YARA 19 File information Comments

SHA256 hash:	b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d
SHA3-384 hash:	77458f451372100d5a71d00f58da4d2e3cacebf43a30ce5df9b01177a701f69100e4d89e957961b683d07e16ceab5a23
SHA1 hash:	2f6864a05d66a55b21a3b4a80ea3789243f6d35a
MD5 hash:	c705ca78c03472e52df49a1f40ed582d
humanhash:	bulldog-video-eight-ten
File name:	roze.armv4
Download:	download sample
Signature	Gafgyt Create hunting rule
File size:	171'215 bytes
First seen:	2024-09-28 08:50:12 UTC
Last seen:	2024-09-28 08:50:35 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	3072:Bdy8WoZAeDfivrlIsFZjgdc0xkWQLz05hij7seUmSQnNbGUBn:f6vpu1xkWQf05hij71UmSQnNbGUBn
TLSH	T1E9F31824F5408267C2D327FAA69E838D3F3557E223D733145A389FB02FC2B952D66964
telfhash	t12b215352a1f6cb282bb38934adbc03f11552a6236242bf757f0ec5c45437043a934ddb
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	NDA0E
Tags:	botnet dayzddos dedsec elf gafgyt KAITEN roze RyM unknown Vixaati Yakuza

Intelligence

File Origin

# of uploads :

# of downloads :

151

Origin country :

Vendor Threat Intelligence

Detection(s):

Result

Verdict:

Malware

Maliciousness:

Verdict:

Unknown

Threat level:

2.5/10

Confidence:

100%

Tags:

gcc lolbin remote

Link:

https://www.filescan.io/uploads/66f7c376f71b9c224c13fbfd/reports/6fbadbd1-ef81-456e-a85d-0758d128f2e8/overview

Verdict:

Malicious

Uses P2P?:

false

Uses anti-vm?:

false

Architecture:

arm

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/b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d

Behaviour

no suspicious findings

Botnet C2s

TCP botnet C2(s):

not identified

UDP botnet C2(s):

not identified

Result

Verdict:

MALICIOUS

Malware family:

Gafgyt

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/fe62fee4-671e-4bd6-8d62-893ec4f48c87

Result

Threat name:

Gafgyt, Mirai

Detection:

malicious

Classification:

spre.troj

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1521438

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/b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d/

Threat name:

Linux.Trojan.LnxGafgyt

Status:

Malicious

First seen:

2024-09-28 08:51:04 UTC

File Type:

ELF32 Little (Exe)

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w7r2oyweo6hlo27ywickjg4npgwujzyw6hyq4ljvbve77rsk4u6q._file

Result

Malware family:

gafgyt

Score:

10/10

Tags:

family:gafgyt discovery

Link:

https://tria.ge/reports/240928-kr54dszarf/

Behaviour

Reads system network configuration

Reads system routing table

Malware Config

C2 Extraction:

185.82.202.195:4444

Verdict:

Malicious

Tags:

botnet kaiten trojan gafgyt

YARA:

botnet_dedsec botnet_RyM botnet_Kaiten botnet_unknown botnet_Vixaati botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024

Link:

https://app.threat.zone/submission/38e84daa-46f4-4646-9c50-d02a7d07f536

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

Threat name:

Yakuza

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d

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:	Detect_Malicious_VBScript_Base64 Create hunting rule
Author:	daniyyell
Description:	Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.

Rule name:	enterpriseapps2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Enterprise apps

Rule name:	Linux_Gafgyt_Generic_A Create hunting rule
Author:	albertzsigovits
Description:	Generic Approach to Mirai/Gafgyt samples

Rule name:	Linux_Gafgyt_May_2024 Create hunting rule
Author:	NDA0E
Description:	Detects Gafgyt

Rule name:	linux_generic_ipv6_catcher Create hunting rule
Author:	@_lubiedo
Description:	ELF samples using IPv6 addresses

Rule name:	Linux_Generic_Threat_e9aef030 Create hunting rule
Author:	Elastic Security

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 b7e3a762c4778eb76bf8b204a49b8d79ad44e716f1f10e2d350d49ffc64ae53d

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3195374/

Delivery method

Distributed via web download

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