MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8ef73f41b3a1e5c876c03e0447ac52ba39e5457b37fa2098398a1d80b5526e4. 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

Threat unknown

Vendor detections: 7

Intelligence 7 IOCs YARA 18 File information Comments

SHA256 hash:	c8ef73f41b3a1e5c876c03e0447ac52ba39e5457b37fa2098398a1d80b5526e4
SHA3-384 hash:	be4756d20ae344f776f0c4a0d0f2d6b4027049784d9c3ffea8e2e81c393ce3525e5e1264fa73d3a3f45e677b254f6e79
SHA1 hash:	2becf3474ca574514d24676529fc1013732e49ce
MD5 hash:	b316164f5e0c232ad8129d5d4f09b011
humanhash:	seventeen-table-happy-zebra
File name:	kswapd0
Download:	download sample
File size:	6'881'459 bytes
First seen:	2026-10-04 04:34:40 UTC
Last seen:	Never
File type:	elf
MIME type:	application/x-executable
ssdeep	49152:UUOxB6syu1Upy0fxJW7CqKZzASyW7MJ9svX3NW1yW3w5DthrAnHHEt5E3:t54KpMk2eDt1AnnEjE3
TLSH	T1896608237B1CE70FC62922341CB2DA98272A1C5A41D6951BB385F31DE9F21AC5D6ECF1
telfhash	t1d49002120445544c65644874ad6cf1016ae0ac22a4340858fa541d83044c415230c568
gimphash	e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika	elf
Reporter	abuse_ch
Tags:	elf upx-dec

abuse_ch

UPX decompressed file, sourced from SHA256 1bc23d3b13d5cae1dc3b8064c0e13fd27245c740a6d3aaba761df9443ae2b462

UPX unpacked

This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.

File size (compressed) :	1'679'200 bytes
File size (de-compressed) :	6'881'459 bytes
Format:	linux/mips
Packed file:	1bc23d3b13d5cae1dc3b8064c0e13fd27245c740a6d3aaba761df9443ae2b462

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.BackDoor.Vision.130.5751.8423.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Receives data from a server

Sends data to a server

Connection attempt

Creating a file in the %temp% subdirectories

Gathering data

Verdict:

Malicious

File Type:

elf.32.be

First seen:

2026-10-05T20:46:00Z UTC

Last seen:

2026-10-05T21:47:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/c8ef73f41b3a1e5c876c03e0447ac52ba39e5457b37fa2098398a1d80b5526e4/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/ee7183e5-9f5b-4d6e-ba5a-7829a0a7b1cd

Behavior Graph:

Download SVG

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/513d7b29-f874-4cff-8591-e3bf61330abd

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

56 / 100

Link:

https://www.joesandbox.com/analysis/1981863

Signature

Antivirus / Scanner detection for submitted sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

ELF

Link:

https://malprob.io/report/c8ef73f41b3a1e5c876c03e0447ac52ba39e5457b37fa2098398a1d80b5526e4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c8ef73f41b3a1e5c876c03e0447ac52ba39e5457b37fa2098398a1d80b5526e4/

Threat name:

Linux.Backdoor.DarkDDoSer

Status:

Suspicious

First seen:

2026-10-04 04:25:24 UTC

File Type:

ELF32 Big (Exe)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zdxxh5a3hipfzb3mapqei6wfforz4vcxwn72ecmdtcq5qc2ve3sa._file

Result

Malware family:

n/a

Score:

3/10

Tags:

discovery

Link:

https://tria.ge/reports/261004-e7xjast15p/

Behaviour

Enumerates kernel/hardware configuration

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

Threat name:

Suspicious File

Score:

0.30

Link:

https://yomi.yoroi.company/submissions/c8ef73f41b3a1e5c876c03e0447ac52ba39e5457b37fa2098398a1d80b5526e4

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:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

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

Rule name:	F01_s1ckrule Create hunting rule
Author:	s1ckb017

Rule name:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	Golang_Find_CSC846 Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	Golang_Find_CSC846_Simple Create hunting rule
Author:	Ashar Siddiqui
Description:	Find Go Signatuers

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	setsockopt Create hunting rule
Author:	Tim Brown @timb_machine
Description:	Hunts for setsockopt() red flags

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	TH_Generic_MassHunt_Linux_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Generic Linux malware mass-hunt rule - 2026
Reference:	https://cyfare.net/