MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c61bfb1d7d331b91f618a599931ba880357f14d81774013da7d4a6a3d309fc6e. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	c61bfb1d7d331b91f618a599931ba880357f14d81774013da7d4a6a3d309fc6e
SHA3-384 hash:	8378f221e594f63d7ab5005f7df48849e6e72d76b70e5e017928d86fa0868fe42fc520537adaede6835eb1797ad673b9
SHA1 hash:	9ea66f7bebe7766f923652a9e9d2a52c5670e912
MD5 hash:	626f2b9b96a7dff233c71dc24075f722
humanhash:	zulu-king-tango-emma
File name:	xnxnxnxnxnxnxnxni386xnxn
Download:	download sample
Signature	Mirai Create hunting rule
File size:	60'808 bytes
First seen:	2025-12-29 13:04:58 UTC
Last seen:	2025-12-29 15:20:11 UTC
File type:	elf
MIME type:	application/x-executable
ssdeep	1536:C1/S5aOdeB51F+yuXkoPgvFbFX6hTZ0f8ASAkLkg4azH5:CM5az1Fy0oPgdZX6hTo8R/LGazH5
TLSH	T1245302F6A0D4BDCDC2954774020F0A063EC6B278A09A652B76D5E25C8BF2344CFD9BD5
telfhash	t1a0b01122cc8a8e020200882e0a0a022fe280feb82c0bf303a0b80c28e0b2c8e0000083
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 UPX

UPX packed

This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.

File size (compressed) :	60'808 bytes
File size (de-compressed) :	123'472 bytes
Format:	linux/i386
Unpacked file:	3f4df2ca3488813384a89742c123e26cd1b3e32b74bf1f0fa06a9f5555c0f28c

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/223cd4f1-f7cf-4dfe-95cf-95236c9fd093/

Verdict:

Unknown

Threat level:

0/10

Confidence:

100%

Tags:

packed upx

Link:

https://www.filescan.io/uploads/69527c9c127d6a14e0c67a20/reports/477b1e43-9c1d-4894-ad06-f768701f7593/overview

Verdict:

Malicious

File Type:

elf.32.le

First seen:

2025-12-29T11:23:00Z UTC

Last seen:

2025-12-29T12:19:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/c61bfb1d7d331b91f618a599931ba880357f14d81774013da7d4a6a3d309fc6e/results?tab=lookup

Status:

Failed

Link:

https://sandbox.kunai.rocks/analysis/c49fb20c-cfe0-47a8-8a50-3dbfe526e5c6

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/ec690152-2a7f-423e-9d6a-625f40915a16

Result

Threat name:

n/a

Detection:

suspicious

Classification:

evad

Score:

21 / 100

Link:

https://www.joesandbox.com/analysis/1841416

Signature

Sample is packed with UPX

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/c61bfb1d7d331b91f618a599931ba880357f14d81774013da7d4a6a3d309fc6e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c61bfb1d7d331b91f618a599931ba880357f14d81774013da7d4a6a3d309fc6e/

Threat name:

Linux.Trojan.Gafgyt

Status:

Suspicious

First seen:

2025-12-29 13:05:29 UTC

File Type:

ELF32 Little (Exe)

AV detection:

10 of 24 (41.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=yyn7whl5gmnzd5qyuwmzgg5iqa2x6fgyc52acpnh2stkhuyj7rxa._file

Result

Malware family:

n/a

Score:

6/10

Tags:

antivm discovery linux upx

Link:

https://tria.ge/reports/251229-qbmvrsc15h/

Behaviour

Reads runtime system information

Writes file to tmp directory

Changes its process name

Reads system network configuration

Checks hardware identifiers (DMI)

Enumerates active TCP sockets

Enumerates running processes

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/6016db30-6c56-468a-883d-88355d635663

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

Threat name:

Malicious File

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/c61bfb1d7d331b91f618a599931ba880357f14d81774013da7d4a6a3d309fc6e

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

Rule name:	SUSP_ELF_LNX_UPX_Compressed_File Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects a suspicious ELF binary with UPX compression
Reference:	Internal Research